/* ========================================
   CodeLab - Professional Code Editor
   Modern Dark Theme
   ======================================== */

:root {
    /* Primary Colors */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;

    /* Neutral Colors */
    --neutral-50: #fafafa;
    --neutral-100: #f5f5f5;
    --neutral-200: #e5e5e5;
    --neutral-300: #d4d4d4;
    --neutral-400: #a3a3a3;
    --neutral-500: #737373;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-800: #262626;
    --neutral-850: #1f1f1f;
    --neutral-900: #171717;
    --neutral-950: #0a0a0a;

    /* Semantic Colors */
    --success-500: #22c55e;
    --success-600: #16a34a;
    --warning-500: #f59e0b;
    --error-500: #ef4444;
    --info-500: #3b82f6;

    /* Background Colors */
    --bg-primary: #0d0d0f;
    --bg-secondary: #131316;
    --bg-tertiary: #1a1a1f;
    --bg-elevated: #212128;
    --bg-hover: #2a2a32;

    /* Border Colors */
    --border-primary: #2a2a32;
    --border-secondary: #3a3a44;
    --border-focus: var(--primary-500);

    /* Text Colors */
    --text-primary: #fafafa;
    --text-secondary: #a3a3a3;
    --text-tertiary: #737373;
    --text-inverse: #0a0a0a;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed: 72px;
}

/* ========================================
   Reset & Base
   ======================================== */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
}

/* ========================================
   App Layout
   ======================================== */

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* ========================================
   Sidebar
   ======================================== */

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width var(--transition-normal);
}

.sidebar-header {
    padding: var(--space-5);
    border-bottom: 1px solid var(--border-primary);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.lottie-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    width: 100%;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(79, 70, 229, 0.1));
    color: var(--primary-400);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.nav-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-primary);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--warning-500);
    animation: pulse 2s ease-in-out infinite;
}

.status-dot.ready {
    background: var(--success-500);
    animation: none;
}

.status-dot.error {
    background: var(--error-500);
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ========================================
   Main Content
   ======================================== */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg-primary);
}

/* ========================================
   Header
   ======================================== */

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header-left h1 {
    font-size: 1.25rem;
    font-weight: 600;
}

.editor-badge {
    padding: var(--space-1) var(--space-3);
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-400);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.header-actions {
    display: flex;
    gap: var(--space-3);
}

/* ========================================
   Buttons
   ======================================== */

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn.primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.2);
}

.action-btn.primary:hover {
    background: linear-gradient(135deg, var(--primary-400), var(--primary-500));
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.3);
}

.action-btn.primary:active {
    transform: translateY(0);
}

.action-btn.secondary {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
}

.action-btn.secondary:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-secondary);
}

.action-btn.small {
    padding: var(--space-1) var(--space-3);
    font-size: 0.8125rem;
}

.panel-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.panel-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ========================================
   Editor Area
   ======================================== */

.editor-area {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.mode-container {
    display: none;
    height: 100%;
    overflow-y: auto;
}

.mode-container.active {
    display: flex;
    flex-direction: column;
}

.panels-container {
    display: flex;
    height: 100%;
}

.panel {
    display: flex;
    flex-direction: column;
    min-width: 200px;
    background: var(--bg-tertiary);
}

.editor-panel {
    flex: 1;
}

.output-panel,
.preview-panel {
    flex: 1;
    border-left: 1px solid var(--border-primary);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    flex-shrink: 0;
}

.panel-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.panel-actions {
    display: flex;
    gap: var(--space-1);
}

/* ========================================
   Resizer
   ======================================== */

.resizer {
    width: 4px;
    background: var(--border-primary);
    cursor: col-resize;
    transition: background var(--transition-fast);
    flex-shrink: 0;
}

.resizer:hover,
.resizer.active {
    background: var(--primary-500);
}

/* ========================================
   Code Editor
   ======================================== */

.editor-wrapper {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.code-editor {
    width: 100%;
    height: 100%;
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.7;
    resize: none;
    outline: none;
    tab-size: 4;
    display: none;
}

.code-editor.active {
    display: block;
}

#python-editor {
    display: block;
}

.code-editor::selection {
    background: rgba(99, 102, 241, 0.4);
}

.code-editor::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.code-editor::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.code-editor::-webkit-scrollbar-thumb {
    background: var(--neutral-700);
    border-radius: var(--radius-full);
}

.code-editor::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-600);
}

/* ========================================
   Console Output
   ======================================== */

.console-wrapper {
    flex: 1;
    overflow: auto;
    padding: var(--space-4);
    background: var(--bg-primary);
}

.console-output {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-word;
}

.console-output .error {
    color: var(--error-500);
}

.console-output .success {
    color: var(--success-500);
}

.console-output .info {
    color: var(--info-500);
}

/* Botón enviar error a IA */
.send-error-ai-btn {
    position: absolute;
    bottom: var(--space-3);
    right: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    transition: all var(--transition-fast);
    z-index: 10;
}

.send-error-ai-btn:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.send-error-ai-btn svg {
    flex-shrink: 0;
}

.console-wrapper {
    position: relative;
}

/* ========================================
   Tabs (HTML/CSS/JS)
   ======================================== */

.tab-group {
    display: flex;
    gap: var(--space-1);
}

.tab {
    padding: var(--space-2) var(--space-4);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--text-secondary);
    background: var(--bg-hover);
}

.tab.active {
    color: var(--primary-400);
    background: rgba(99, 102, 241, 0.15);
}

/* ========================================
   HTML/JS Mode Layout
   ======================================== */

.html-panels {
    display: flex;
    height: 100%;
}

.code-panels {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ========================================
   Preview
   ======================================== */

.preview-wrapper {
    flex: 1;
    background: white;
    overflow: hidden;
}

.preview-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
}

/* ========================================
   Upload Mode
   ======================================== */

.upload-container {
    height: 100%;
    padding: var(--space-6);
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr;
    gap: var(--space-6);
}

.upload-zone {
    grid-column: 1 / 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-secondary);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--primary-500);
    background: rgba(99, 102, 241, 0.05);
}

.upload-zone.drag-over {
    transform: scale(1.01);
}

.upload-lottie {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-4);
    opacity: 0.7;
}

.upload-zone h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.upload-zone p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.upload-hint {
    display: block;
    margin-top: var(--space-3);
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

.upload-zone input[type="file"] {
    display: none;
}

.uploaded-files {
    grid-column: 1 / 2;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.files-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
}

.files-header h3 {
    font-size: 0.875rem;
    font-weight: 600;
}

.file-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-3);
    list-style: none;
}

.file-list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-list li:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.file-list li.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-400);
}

.file-icon {
    width: 18px;
    height: 18px;
    opacity: 0.6;
}

.upload-preview-container {
    grid-column: 2 / 3;
    grid-row: 1 / 3;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.upload-preview-container .panel-header {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.upload-preview-container .preview-frame {
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ========================================
   Fullscreen Modal
   ======================================== */

.fullscreen-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: var(--bg-primary);
    display: none;
    flex-direction: column;
}

.fullscreen-modal.active {
    display: flex;
}

.fullscreen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
}

.fullscreen-header span {
    font-weight: 500;
}

.close-fullscreen {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.close-fullscreen:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.fullscreen-iframe {
    flex: 1;
    border: none;
    background: white;
}

/* ========================================
   Loading Overlay
   ======================================== */

.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity var(--transition-slow);
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
}

.loading-lottie {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-6);
}

.loading-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: var(--bg-elevated);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

/* ========================================
   Scrollbars
   ======================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--neutral-700);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-600);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1200px) {
    .upload-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr;
    }

    .upload-preview-container {
        grid-column: 1 / 2;
        grid-row: 3 / 4;
        min-height: 400px;
    }
}

@media (max-width: 900px) {
    .sidebar {
        width: var(--sidebar-collapsed);
    }

    .logo-text,
    .nav-item span,
    .status-indicator span {
        display: none;
    }

    .nav-item {
        justify-content: center;
        padding: var(--space-3);
    }
}

@media (max-width: 768px) {
    .panels-container {
        flex-direction: column;
    }

    .resizer {
        width: 100%;
        height: 4px;
        cursor: row-resize;
    }

    .output-panel,
    .preview-panel {
        border-left: none;
        border-top: 1px solid var(--border-primary);
    }

    .main-header {
        flex-direction: column;
        gap: var(--space-3);
        align-items: flex-start;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

/* ========================================
   Utilities
   ======================================== */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Fancy gradient border effect */
.gradient-border {
    position: relative;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

/* ========================================
   User Section
   ======================================== */

.nav-divider {
    height: 1px;
    background: var(--border-primary);
    margin: var(--space-3) 0;
}

.user-section {
    margin-bottom: var(--space-3);
}

.user-btn {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-3);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-secondary);
    color: var(--text-primary);
}

.user-btn.logged-in {
    border-color: rgba(99, 102, 241, 0.3);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.user-avatar svg {
    width: 18px;
    height: 18px;
    color: var(--text-tertiary);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   Modal Overlay
   ======================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1500;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    max-width: 420px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ========================================
   Auth Modal
   ======================================== */

.auth-modal {
    text-align: center;
}

.auth-header {
    margin-bottom: var(--space-6);
}

.auth-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-4);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(79, 70, 229, 0.1));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-400);
}

.auth-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.auth-tabs {
    display: flex;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-1);
    margin-bottom: var(--space-5);
}

.auth-tab {
    flex: 1;
    padding: var(--space-2) var(--space-4);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-tab:hover {
    color: var(--text-secondary);
}

.auth-tab.active {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.auth-form {
    display: none;
    text-align: left;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.auth-submit {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-submit:hover {
    background: linear-gradient(135deg, var(--primary-400), var(--primary-500));
    transform: translateY(-1px);
}

.auth-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-5) 0;
    color: var(--text-tertiary);
    font-size: 0.8125rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-primary);
}

.google-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.google-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-secondary);
}

.auth-footer {
    margin-top: var(--space-5);
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.auth-link {
    background: none;
    border: none;
    color: var(--primary-400);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.auth-link:hover {
    color: var(--primary-300);
}

/* ========================================
   Save Project Modal
   ======================================== */

.save-modal h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.save-modal > p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--space-5);
}

.form-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    margin-top: var(--space-5);
}

.files-actions {
    display: flex;
    gap: var(--space-2);
}

/* ========================================
   Delete Confirmation Modal
   ======================================== */

.delete-modal {
    text-align: center;
    max-width: 400px;
}

.delete-modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-4);
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--error-500);
}

.delete-modal h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.delete-modal p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--space-2);
}

.delete-warning {
    color: var(--error-500) !important;
    font-family: var(--font-mono);
    font-size: 0.875rem !important;
    background: rgba(239, 68, 68, 0.1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4) !important;
}

.delete-modal .form-actions {
    justify-content: center;
}

.action-btn.danger {
    background: linear-gradient(135deg, var(--error-500), #dc2626);
    color: white;
    border: none;
}

.action-btn.danger:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

/* ========================================
   Python Input Modal
   ======================================== */

.python-input-modal {
    text-align: center;
    max-width: 400px;
}

.python-input-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(99, 102, 241, 0.2));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-400);
}

.python-input-modal h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.python-input-modal p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--space-3);
}

.python-input-field {
    margin-bottom: var(--space-4);
}

.python-input-field input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-primary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.python-input-field input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.python-input-field input::placeholder {
    color: var(--text-tertiary);
}

.python-input-modal .form-actions {
    justify-content: center;
}

/* Input Collector Modal */
.input-collector-modal {
    text-align: center;
    max-width: 450px;
}

.input-collector-modal h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.input-collector-modal > p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--space-4);
}

.input-collector-fields {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    max-height: 300px;
    overflow-y: auto;
    padding-right: var(--space-2);
}

.input-collector-field {
    text-align: left;
}

.input-collector-field label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
    font-family: var(--font-mono);
}

.input-collector-field input {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: var(--bg-primary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.input-collector-field input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.input-collector-modal .form-actions {
    justify-content: center;
}

#run-with-inputs {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

#run-with-inputs svg {
    flex-shrink: 0;
}

/* Input echo en consola */
.input-echo {
    color: var(--primary-400);
    font-style: italic;
}

/* Console Interactive Input */
.console-input-container {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-2);
    padding: var(--space-2);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

.console-input-prompt {
    color: var(--primary-400);
    font-family: var(--font-mono);
    font-weight: bold;
    font-size: 1rem;
}

.console-input-field {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    outline: none;
    caret-color: var(--primary-400);
}

.console-input-field::placeholder {
    color: var(--text-tertiary);
}

/* Animación de cursor parpadeante */
.console-input-container::after {
    content: '';
    width: 2px;
    height: 16px;
    background: var(--primary-400);
    animation: cursor-blink 1s infinite;
    display: none;
}

@keyframes cursor-blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ========================================
   User Dropdown
   ======================================== */

.user-dropdown {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-2);
    min-width: 240px;
    box-shadow: var(--shadow-xl);
    z-index: 1600;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
}

.dropdown-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-elevated);
    object-fit: cover;
}

.dropdown-info {
    flex: 1;
    min-width: 0;
}

.dropdown-name {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-email {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-primary);
    margin: var(--space-2) 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-3);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.dropdown-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ========================================
   Toast Notifications
   ======================================== */

.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 300px;
    max-width: 400px;
    pointer-events: auto;
    animation: slideInRight 0.3s ease;
}

.toast.removing {
    animation: slideOutRight 0.3s ease forwards;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast-icon svg {
    width: 100%;
    height: 100%;
}

.toast.success .toast-icon {
    color: var(--success-500);
}

.toast.error .toast-icon {
    color: var(--error-500);
}

.toast.warning .toast-icon {
    color: var(--warning-500);
}

.toast.info .toast-icon {
    color: var(--info-500);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.toast-message {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.toast-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.toast-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ========================================
   Projects Grid
   ======================================== */

.projects-container {
    height: 100%;
    padding: var(--space-6);
    overflow-y: auto;
}

.projects-header {
    margin-bottom: var(--space-6);
}

.projects-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.projects-header p {
    color: var(--text-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

.project-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.project-card:hover {
    border-color: var(--primary-500);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.project-preview {
    height: 150px;
    background: white;
    border-bottom: 1px solid var(--border-primary);
    overflow: hidden;
}

.project-preview iframe {
    width: 200%;
    height: 200%;
    border: none;
    transform: scale(0.5);
    transform-origin: top left;
    pointer-events: none;
}

.project-info {
    padding: var(--space-4);
}

.project-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-description {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-date {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.project-actions {
    display: flex;
    gap: var(--space-1);
}

.project-action-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.project-action-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.project-action-btn.delete:hover {
    color: var(--error-500);
}

.empty-projects {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12);
    color: var(--text-tertiary);
    text-align: center;
}

.empty-projects.visible {
    display: flex;
}

.empty-projects svg {
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-projects h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

/* ========================================
   Upload Dialog
   ======================================== */

.upload-dialog {
    text-align: center;
    max-width: 380px;
}

.upload-dialog-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-4);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(79, 70, 229, 0.1));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-400);
}

.upload-dialog h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.upload-dialog p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--space-5);
}

.upload-dialog-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}

.upload-dialog-actions .action-btn {
    min-width: 110px;
    padding: var(--space-3) var(--space-4);
    font-size: 0.875rem;
    justify-content: center;
    flex: 1;
    max-width: 130px;
}

/* ========================================
   Responsive - Additional
   ======================================== */

@media (max-width: 900px) {
    .user-btn span {
        display: none;
    }

    .user-btn {
        justify-content: center;
        padding: var(--space-2);
    }
}

@media (max-width: 600px) {
    .toast-container {
        left: var(--space-4);
        right: var(--space-4);
        bottom: var(--space-4);
    }

    .toast {
        min-width: auto;
        width: 100%;
    }

    .modal-content {
        padding: var(--space-5);
        margin: var(--space-4);
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Deploy Mode Styles
   ======================================== */

.deploy-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-6);
}

.deploy-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.deploy-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    margin-bottom: var(--space-4);
    color: white;
}

.deploy-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.deploy-header p {
    color: var(--text-secondary);
}

.deploy-form-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
}

.deploy-url-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    font-family: var(--font-mono);
    font-size: 1.1rem;
}

.url-base {
    color: var(--text-secondary);
}

.url-slug {
    color: var(--primary-400);
    font-weight: 600;
}

.deploy-form .form-group {
    margin-bottom: var(--space-4);
}

.url-input-group {
    display: flex;
    align-items: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.url-input-group:focus-within {
    border-color: var(--primary-500);
}

.url-prefix {
    padding: var(--space-3) var(--space-3);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    border-right: 1px solid var(--border-primary);
    white-space: nowrap;
}

.url-input-group input {
    flex: 1;
    background: transparent;
    border: none;
    padding: var(--space-3);
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.url-input-group input:focus {
    outline: none;
}

.url-status {
    display: block;
    margin-top: var(--space-2);
    font-size: 0.8rem;
    min-height: 1.2rem;
}

.url-status.available {
    color: var(--success-500);
}

.url-status.unavailable {
    color: var(--error-500);
}

.url-status.checking {
    color: var(--warning-500);
}

.deploy-project-select {
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--border-primary);
}

.deploy-project-select > label {
    display: block;
    margin-bottom: var(--space-3);
    font-weight: 500;
}

.project-source-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.project-source-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-5);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.project-source-btn:hover:not(:disabled) {
    border-color: var(--primary-400);
    background: var(--bg-hover);
}

.project-source-btn.selected {
    border-color: var(--primary-500);
    background: rgba(99, 102, 241, 0.15);
}

.project-source-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.project-source-btn svg {
    color: var(--primary-400);
}

.project-source-btn span {
    font-weight: 600;
    font-size: 0.9375rem;
}

.project-source-btn small {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.project-select-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-3);
    min-height: 100px;
}

.project-select-item {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.project-select-item:hover {
    border-color: var(--primary-400);
    background: var(--bg-hover);
}

.project-select-item.selected {
    border-color: var(--primary-500);
    background: rgba(99, 102, 241, 0.1);
}

.project-select-item .project-name {
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-select-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    color: var(--text-secondary);
    text-align: center;
}

.project-select-empty svg {
    margin-bottom: var(--space-3);
    opacity: 0.5;
}

.deploy-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
    margin-top: var(--space-5);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.deploy-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.deploy-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.published-projects-section {
    margin-top: var(--space-8);
}

.published-projects-section h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-4);
}

.published-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

.published-project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.published-project-card:hover {
    border-color: var(--primary-500);
    transform: translateY(-2px);
}

.published-card-preview {
    height: 120px;
    background: var(--bg-tertiary);
    position: relative;
    overflow: hidden;
}

.published-card-preview iframe {
    width: 200%;
    height: 200%;
    transform: scale(0.5);
    transform-origin: top left;
    pointer-events: none;
    border: none;
}

.published-card-info {
    padding: var(--space-4);
}

.published-card-name {
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.published-card-url {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--primary-400);
    margin-bottom: var(--space-3);
}

.published-card-url button {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.published-card-url button:hover {
    color: var(--primary-400);
    background: var(--bg-hover);
}

.published-card-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.published-card-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.delete-project-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.delete-project-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error-500);
    color: var(--error-500);
}

.published-card-stats {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.empty-published {
    text-align: center;
    padding: var(--space-8);
    color: var(--text-secondary);
}

/* ========================================
   AI Assistant Panel Styles
   ======================================== */

.ai-btn {
    background: linear-gradient(135deg, #10b981, #059669) !important;
    border: none !important;
}

.ai-btn:hover {
    background: linear-gradient(135deg, #059669, #047857) !important;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.ai-panel-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.ai-panel-overlay.active {
    opacity: 1;
    visibility: visible;
}

.ai-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90%;
    max-width: 700px;
    height: 80vh;
    max-height: 700px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-normal);
}

.ai-panel-overlay.active .ai-panel {
    transform: translate(-50%, -50%) scale(1);
}

.ai-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.ai-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.ai-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: var(--radius-lg);
    color: white;
}

.ai-header-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.ai-status {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.ai-panel-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.ai-panel-close:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.ai-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.ai-messages {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.ai-message {
    display: flex;
    gap: var(--space-3);
}

.ai-message.user {
    flex-direction: row-reverse;
}

.ai-message-avatar {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.ai-message.assistant .ai-message-avatar {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.ai-message.user .ai-message-avatar {
    background: var(--primary-500);
    color: white;
}

.ai-message-content {
    max-width: 85%;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    line-height: 1.6;
}

.ai-message.assistant .ai-message-content {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
}

.ai-message.user .ai-message-content {
    background: var(--primary-600);
    color: white;
}

.ai-message-content ul,
.ai-message-content ol {
    margin: var(--space-2) 0;
    padding-left: var(--space-5);
}

.ai-message-content ol {
    list-style-type: decimal;
}

.ai-message-content li {
    margin-bottom: var(--space-2);
    padding-left: var(--space-1);
}

.ai-message-content li::marker {
    color: var(--primary-400);
    font-weight: 600;
}

.ai-message-content pre {
    background: var(--bg-primary);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    margin: var(--space-3) 0;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    max-width: 100%;
    white-space: pre-wrap;
    word-wrap: break-word;
    position: relative;
}

.ai-message-content code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    word-break: break-word;
}

/* Botón aplicar código */
.ai-code-block {
    position: relative;
    margin: var(--space-3) 0;
}

.ai-code-block pre {
    margin: 0;
    padding-top: var(--space-6);
}

.ai-code-actions {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    display: flex;
    gap: var(--space-2);
}

.apply-code-btn,
.copy-code-btn {
    padding: 4px 10px;
    font-size: 0.75rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
}

.apply-code-btn {
    background: var(--primary-500);
    color: white;
}

.apply-code-btn:hover {
    background: var(--primary-600);
}

.copy-code-btn {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
}

.copy-code-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.apply-code-btn svg,
.copy-code-btn svg {
    width: 12px;
    height: 12px;
}

.ai-message.loading .ai-message-content {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.ai-loading-dots {
    display: flex;
    gap: 4px;
}

.ai-loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    animation: ai-bounce 1.4s infinite ease-in-out both;
}

.ai-loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.ai-loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes ai-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

.ai-panel-input {
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-primary);
}

.ai-quick-actions {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}

.ai-quick-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ai-quick-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--primary-500);
}

.ai-input-container {
    display: flex;
    gap: var(--space-2);
    align-items: flex-end;
}

.ai-input-container textarea {
    flex: 1;
    resize: none;
    padding: var(--space-3);
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    max-height: 120px;
    transition: border-color var(--transition-fast);
}

.ai-input-container textarea:focus {
    outline: none;
    border-color: var(--primary-500);
}

.ai-send-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.ai-send-btn:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: scale(1.05);
}

.ai-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* AI Code Options */
.ai-code-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-3);
    margin-left: 48px;
}

.ai-code-option-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ai-code-option-btn:hover {
    background: var(--bg-hover);
    border-color: var(--primary-500);
    transform: translateY(-1px);
}

.ai-option-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-400);
}

.ai-option-icon svg {
    width: 100%;
    height: 100%;
}

/* Deploy Icon */
#deploy-icon {
    width: 20px;
    height: 20px;
}

/* ========================================
   RESPONSIVE - Complete Mobile Support
   ======================================== */

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Large Desktop (1400px+) - Default styles */

/* Medium Desktop (1200px - 1400px) */
@media (max-width: 1400px) {
    .deploy-container {
        max-width: 700px;
    }

    .published-projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

/* Small Desktop / Large Tablet (1024px - 1200px) */
@media (max-width: 1200px) {
    :root {
        --sidebar-width: 220px;
    }

    .deploy-container {
        max-width: 600px;
        padding: var(--space-4);
    }

    .deploy-header h2 {
        font-size: 1.5rem;
    }

    .project-source-options {
        gap: var(--space-3);
    }
}

/* Tablet Landscape (900px - 1024px) */
@media (max-width: 1024px) {
    .ai-panel {
        width: 95%;
        height: 85vh;
    }

    .upload-container {
        padding: var(--space-4);
        gap: var(--space-4);
    }

    .upload-zone {
        padding: var(--space-6);
    }
}

/* Tablet Portrait (768px - 900px) */
@media (max-width: 900px) {
    /* Sidebar collapse */
    .sidebar {
        width: var(--sidebar-collapsed);
    }

    .logo-text,
    .nav-item span,
    .status-indicator span,
    .user-btn span {
        display: none;
    }

    .nav-item {
        justify-content: center;
        padding: var(--space-3);
    }

    .user-btn {
        justify-content: center;
        padding: var(--space-2);
    }

    /* Deploy adjustments */
    .deploy-icon {
        width: 80px;
        height: 80px;
    }

    .deploy-header h2 {
        font-size: 1.375rem;
    }

    .project-source-btn {
        padding: var(--space-4);
    }

    .project-source-btn svg {
        width: 28px;
        height: 28px;
    }
}

/* Large Mobile / Small Tablet (640px - 768px) */
@media (max-width: 768px) {
    /* Show mobile menu toggle */
    .mobile-menu-toggle {
        display: flex;
    }

    /* Hide sidebar by default on mobile */
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: var(--sidebar-width);
        z-index: 1100;
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar.open .logo-text,
    .sidebar.open .nav-item span,
    .sidebar.open .status-indicator span,
    .sidebar.open .user-btn span {
        display: inline;
    }

    .sidebar.open .nav-item {
        justify-content: flex-start;
        padding: var(--space-3) var(--space-4);
    }

    .sidebar.open .user-btn {
        justify-content: flex-start;
        padding: var(--space-3);
    }

    /* Mobile overlay when sidebar is open */
    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1050;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    /* Panels stack vertically */
    .panels-container {
        flex-direction: column;
    }

    .resizer {
        width: 100%;
        height: 4px;
        cursor: row-resize;
    }

    .output-panel,
    .preview-panel {
        border-left: none;
        border-top: 1px solid var(--border-primary);
        min-height: 200px;
    }

    /* Header adjustments */
    .main-header {
        padding: var(--space-3) var(--space-4);
    }

    .header-left h1 {
        font-size: 1.125rem;
    }

    .editor-badge {
        font-size: 0.6875rem;
        padding: var(--space-1) var(--space-2);
    }

    .header-actions {
        gap: var(--space-2);
    }

    .action-btn {
        padding: var(--space-2) var(--space-3);
        font-size: 0.8125rem;
    }

    .action-btn span {
        display: none;
    }

    /* Upload container single column */
    .upload-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr;
        padding: var(--space-4);
    }

    .upload-zone {
        padding: var(--space-5);
    }

    .upload-zone h2 {
        font-size: 1rem;
    }

    .upload-zone p {
        font-size: 0.875rem;
    }

    .upload-preview-container {
        grid-column: 1;
        grid-row: 3;
        min-height: 300px;
    }

    /* Deploy adjustments */
    .deploy-container {
        padding: var(--space-4);
    }

    .deploy-icon {
        width: 64px;
        height: 64px;
    }

    .deploy-header h2 {
        font-size: 1.25rem;
    }

    .deploy-form-container {
        padding: var(--space-4);
    }

    .deploy-url-preview {
        font-size: 0.9rem;
        padding: var(--space-3);
        flex-wrap: wrap;
        text-align: center;
    }

    .url-prefix {
        padding: var(--space-2);
        font-size: 0.8125rem;
    }

    .project-source-options {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .project-source-btn {
        flex-direction: row;
        justify-content: flex-start;
        gap: var(--space-3);
        padding: var(--space-4);
    }

    .project-source-btn svg {
        width: 24px;
        height: 24px;
    }

    /* Projects grid */
    .projects-container {
        padding: var(--space-4);
    }

    .projects-header h2 {
        font-size: 1.25rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    /* AI Panel full screen on tablet/mobile */
    .ai-panel {
        width: 100%;
        height: 100%;
        max-width: none;
        max-height: none;
        border-radius: 0;
    }

    .ai-quick-actions {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--space-2);
    }

    .ai-quick-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* Modal adjustments */
    .modal-content {
        padding: var(--space-4);
        margin: var(--space-3);
        max-height: calc(100vh - var(--space-6));
    }

    .auth-header h2 {
        font-size: 1.25rem;
    }

    /* Toast adjustments */
    .toast-container {
        left: var(--space-3);
        right: var(--space-3);
        bottom: var(--space-3);
    }

    .toast {
        min-width: auto;
        width: 100%;
    }

    /* HTML Panels */
    .html-panels {
        flex-direction: column;
    }

    .code-panels {
        min-height: 250px;
    }
}

/* Mobile (480px - 640px) */
@media (max-width: 640px) {
    :root {
        font-size: 15px;
    }

    /* Header */
    .main-header {
        flex-direction: column;
        gap: var(--space-3);
        align-items: stretch;
    }

    .header-left {
        justify-content: space-between;
        width: 100%;
    }

    .header-actions {
        width: 100%;
        justify-content: space-between;
    }

    .action-btn {
        flex: 1;
        justify-content: center;
    }

    /* Tab group */
    .tab-group {
        flex-wrap: wrap;
    }

    .tab {
        flex: 1;
        min-width: 60px;
        text-align: center;
        justify-content: center;
    }

    /* Panel header */
    .panel-header {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    /* Upload zone */
    .upload-zone {
        padding: var(--space-4);
    }

    .upload-lottie {
        width: 60px;
        height: 60px;
    }

    /* Deploy */
    .deploy-header {
        margin-bottom: var(--space-5);
    }

    .deploy-icon {
        width: 56px;
        height: 56px;
    }

    .project-select-grid {
        grid-template-columns: 1fr 1fr;
    }

    .deploy-btn {
        padding: var(--space-3);
        font-size: 0.9375rem;
    }

    .published-projects-grid {
        grid-template-columns: 1fr;
    }

    /* User dropdown */
    .user-dropdown {
        left: var(--space-3) !important;
        right: var(--space-3) !important;
        min-width: auto;
    }

    /* Auth modal */
    .auth-tabs {
        flex-direction: column;
    }

    .auth-tab {
        width: 100%;
    }

    .google-btn {
        font-size: 0.875rem;
    }

    /* Form */
    .form-actions {
        flex-direction: column;
    }

    .form-actions .action-btn {
        width: 100%;
    }

    /* AI Panel */
    .ai-code-options {
        margin-left: 0;
        justify-content: center;
    }

    .ai-code-option-btn {
        flex: 1;
        justify-content: center;
        min-width: 120px;
    }

    .ai-message-content {
        max-width: 90%;
    }

    /* Upload dialog */
    .upload-dialog-actions {
        flex-direction: column;
    }

    .upload-dialog-actions .action-btn {
        max-width: none;
        width: 100%;
    }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }

    /* Even smaller adjustments */
    .main-header {
        padding: var(--space-2) var(--space-3);
    }

    .header-left h1 {
        font-size: 1rem;
    }

    .editor-badge {
        display: none;
    }

    /* Panel header compact */
    .panel-header {
        padding: var(--space-2) var(--space-3);
    }

    .panel-title {
        font-size: 0.75rem;
    }

    /* Code editor */
    .code-editor {
        font-size: 0.8125rem;
        padding: var(--space-3);
    }

    /* Deploy super compact */
    .deploy-container {
        padding: var(--space-3);
    }

    .deploy-form-container {
        padding: var(--space-3);
    }

    .deploy-header h2 {
        font-size: 1.125rem;
    }

    .deploy-icon {
        width: 48px;
        height: 48px;
    }

    .deploy-url-preview {
        font-size: 0.8125rem;
    }

    .url-prefix {
        font-size: 0.75rem;
    }

    .form-group label {
        font-size: 0.8125rem;
    }

    .form-group input,
    .form-group textarea {
        padding: var(--space-2) var(--space-3);
        font-size: 0.875rem;
    }

    .project-source-btn {
        padding: var(--space-3);
    }

    .project-source-btn span {
        font-size: 0.875rem;
    }

    .project-select-grid {
        grid-template-columns: 1fr;
    }

    /* Projects */
    .projects-container {
        padding: var(--space-3);
    }

    .projects-header h2 {
        font-size: 1.125rem;
    }

    .project-preview {
        height: 120px;
    }

    /* Upload */
    .upload-container {
        padding: var(--space-3);
        gap: var(--space-3);
    }

    .upload-preview-container {
        min-height: 250px;
    }

    /* Modal */
    .modal-content {
        padding: var(--space-3);
        margin: var(--space-2);
        border-radius: var(--radius-lg);
    }

    .modal-close {
        top: var(--space-2);
        right: var(--space-2);
        width: 32px;
        height: 32px;
    }

    .auth-logo {
        width: 48px;
        height: 48px;
    }

    .auth-header h2 {
        font-size: 1.125rem;
    }

    /* AI Panel */
    .ai-panel-header {
        padding: var(--space-3);
    }

    .ai-icon {
        width: 36px;
        height: 36px;
    }

    .ai-header-info h3 {
        font-size: 0.9375rem;
    }

    .ai-panel-content {
        padding: var(--space-3);
    }

    .ai-message-avatar {
        width: 30px;
        height: 30px;
    }

    .ai-message-content {
        padding: var(--space-2) var(--space-3);
        font-size: 0.8125rem;
        max-width: 85%;
    }

    .ai-panel-input {
        padding: var(--space-3);
    }

    .ai-send-btn {
        width: 40px;
        height: 40px;
    }

    /* Toast compact */
    .toast {
        padding: var(--space-3);
    }

    .toast-title {
        font-size: 0.875rem;
    }

    .toast-message {
        font-size: 0.75rem;
    }
}

/* Landscape mode for phones */
@media (max-height: 500px) and (orientation: landscape) {
    .sidebar {
        position: fixed;
        width: var(--sidebar-collapsed);
    }

    .logo-text,
    .nav-item span,
    .status-indicator span,
    .user-btn span {
        display: none;
    }

    .nav-item {
        justify-content: center;
        padding: var(--space-2);
    }

    .modal-content {
        max-height: 98vh;
        overflow-y: auto;
    }

    .ai-panel {
        height: 98vh;
    }

    .deploy-header {
        margin-bottom: var(--space-4);
    }

    .deploy-icon {
        width: 48px;
        height: 48px;
        margin-bottom: var(--space-2);
    }

    .deploy-header h2 {
        font-size: 1.125rem;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .action-btn,
    .nav-item,
    .tab,
    .project-source-btn,
    .ai-quick-btn,
    .dropdown-item {
        min-height: 44px;
    }

    .panel-btn {
        width: 40px;
        height: 40px;
    }

    .project-action-btn {
        width: 40px;
        height: 40px;
    }

    /* Remove hover effects that don't work well on touch */
    .action-btn.primary:hover {
        transform: none;
    }

    .project-card:hover {
        transform: none;
    }

    .deploy-btn:hover:not(:disabled) {
        transform: none;
    }
}

/* High contrast / accessibility */
@media (prefers-contrast: high) {
    :root {
        --border-primary: #555;
        --border-secondary: #777;
    }

    .code-editor {
        border: 1px solid var(--border-primary);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    .sidebar,
    .main-header,
    .toast-container,
    .modal-overlay,
    .ai-panel-overlay {
        display: none !important;
    }

    .main-content {
        width: 100%;
    }

    .code-editor {
        background: white;
        color: black;
        border: 1px solid #ccc;
    }
}