/* =============================================================================
   MOMENTUM DESIGN SYSTEM - Shared CSS
   Gmail App - Glassmorphic Dark Theme
   ============================================================================= */

/* =============================================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================================= */
:root {
    /* Background Colors */
    --bg-primary: #050507;
    --bg-secondary: #0a0a0c;
    --bg-card: rgba(255, 255, 255, 0.02);
    --bg-card-hover: rgba(255, 255, 255, 0.05);
    --bg-card-active: rgba(255, 255, 255, 0.08);
    --bg-input: rgba(255, 255, 255, 0.03);
    --bg-input-focus: rgba(66, 133, 244, 0.05);
    --bg-modal: rgba(10, 10, 12, 0.98);
    --bg-toast: rgba(30, 30, 30, 0.95);

    /* Glass Effect Borders */
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-border-light: rgba(255, 255, 255, 0.1);
    --glass-border-active: rgba(255, 255, 255, 0.15);

    /* Text Colors */
    --text-primary: rgba(255, 255, 255, 0.87);
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.35);
    --text-disabled: rgba(255, 255, 255, 0.2);

    /* Brand Colors (Google) */
    --accent: #4285f4;
    --accent-hover: #3367d6;
    --accent-light: rgba(66, 133, 244, 0.15);
    --gmail-red: #ea4335;
    --gmail-red-hover: #d33426;
    --gmail-red-light: rgba(234, 67, 53, 0.15);
    --success: #34a853;
    --success-hover: #2d9148;
    --success-light: rgba(52, 168, 83, 0.15);
    --warning: #fbbc04;
    --warning-hover: #e5ab00;
    --warning-light: rgba(251, 188, 4, 0.15);
    --danger: #ea4335;
    --danger-hover: #d33426;
    --danger-light: rgba(234, 67, 53, 0.15);

    /* Gradients */
    --gradient-red-purple: linear-gradient(135deg, #ea4335 0%, #9c27b0 100%);
    --gradient-blue-green: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-yellow: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-pink: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-cyan: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 0.75rem;
    --space-lg: 1rem;
    --space-xl: 1.25rem;
    --space-2xl: 1.5rem;
    --space-3xl: 2rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-size-xs: 0.65rem;
    --font-size-sm: 0.75rem;
    --font-size-base: 0.85rem;
    --font-size-md: 0.95rem;
    --font-size-lg: 1.1rem;
    --font-size-xl: 1.3rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal-backdrop: 900;
    --z-modal: 1000;
    --z-toast: 1100;
}

/* =============================================================================
   BASE STYLES
   ============================================================================= */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background Gradient Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at top, rgba(234, 67, 53, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* =============================================================================
   LAYOUT
   ============================================================================= */
.container-app {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    padding-bottom: var(--space-3xl);
}

.container-wide {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* =============================================================================
   HEADER
   ============================================================================= */
.header {
    padding: var(--space-xl) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

.header-wide {
    max-width: 1100px;
}

.back-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.back-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-light);
    color: var(--text-primary);
}

.header-content {
    flex: 1;
    min-width: 0;
}

.header-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header-title i {
    color: var(--gmail-red);
}

.header-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

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

/* =============================================================================
   SECTIONS
   ============================================================================= */
.section {
    margin-bottom: var(--space-2xl);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
    margin: 0;
}

/* =============================================================================
   CARDS
   ============================================================================= */
.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg) var(--space-xl);
    transition: all var(--transition-base);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-light);
}

.card-interactive {
    cursor: pointer;
}

.card-interactive:hover {
    transform: translateY(-1px);
}

.card-selected {
    border-color: var(--accent) !important;
    background: var(--accent-light) !important;
}

/* Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    text-align: center;
}

.stat-value {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* Item Cards (List Items) */
.item-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg) var(--space-xl);
    transition: all var(--transition-base);
}

.item-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-light);
}

.item-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-semibold);
    flex-shrink: 0;
}

.item-content {
    flex: 1;
    min-width: 0;
}

.item-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.item-actions {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

/* =============================================================================
   GRIDS
   ============================================================================= */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

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

.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
}

/* =============================================================================
   BUTTONS
   ============================================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    border: none;
    white-space: nowrap;
}

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

/* Primary Button */
.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* Gmail Red Button */
.btn-gmail {
    background: var(--gmail-red);
    color: white;
}

.btn-gmail:hover:not(:disabled) {
    background: var(--gmail-red-hover);
    transform: translateY(-1px);
}

/* Success Button */
.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: var(--success-hover);
    transform: translateY(-1px);
}

/* Warning Button */
.btn-warning {
    background: var(--warning);
    color: #1a1a1a;
}

.btn-warning:hover:not(:disabled) {
    background: var(--warning-hover);
    transform: translateY(-1px);
}

/* Danger Button */
.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-hover);
    transform: translateY(-1px);
}

/* Secondary Button (Ghost/Outline) */
.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-light);
    color: var(--text-primary);
}

/* Glass Button */
.btn-glass {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

.btn-glass:hover:not(:disabled) {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-light);
    color: var(--text-primary);
}

/* Button Sizes */
.btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-md);
}

/* Icon-only Button */
.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-sm);
}

.btn-icon-lg {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

/* =============================================================================
   FORM ELEMENTS
   ============================================================================= */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-input-focus);
}

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

.form-select option {
    background: #1a1a1a;
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

/* =============================================================================
   BADGES
   ============================================================================= */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.badge-primary {
    background: var(--accent-light);
    color: var(--accent);
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.badge-muted {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}

/* =============================================================================
   MODALS
   ============================================================================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal {
    background: var(--bg-modal);
    border: 1px solid var(--glass-border-light);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    width: 90%;
    max-width: 450px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

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

.modal-body {
    margin-bottom: var(--space-xl);
}

.modal-footer {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

/* =============================================================================
   TOAST NOTIFICATIONS
   ============================================================================= */
.toast-container {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    background: var(--bg-toast);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border-light);
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    animation: slideUp var(--transition-slow);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

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

.toast-error {
    border-color: var(--danger);
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =============================================================================
   LOADING STATES
   ============================================================================= */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--glass-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-sm {
    width: 14px;
    height: 14px;
}

.spinner-lg {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card) 25%,
        var(--bg-card-hover) 50%,
        var(--bg-card) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* =============================================================================
   EMPTY STATES
   ============================================================================= */
.empty-state {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-sm);
}

.empty-state-text {
    font-size: var(--font-size-sm);
}

/* =============================================================================
   PROGRESS BAR
   ============================================================================= */
.progress {
    height: 4px;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--accent);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar-success {
    background: var(--success);
}

.progress-bar-warning {
    background: var(--warning);
}

.progress-bar-danger {
    background: var(--danger);
}

/* =============================================================================
   FEATURE LINKS (Index Page)
   ============================================================================= */
.feature-link {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg) var(--space-xl);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

.feature-link:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-light);
    transform: translateY(-1px);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-text {
    flex: 1;
    min-width: 0;
}

.feature-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.feature-desc {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.feature-arrow {
    color: var(--text-muted);
    transition: transform var(--transition-base);
}

.feature-link:hover .feature-arrow {
    transform: translateX(3px);
}

/* =============================================================================
   ACTION CARDS (Quick Actions)
   ============================================================================= */
.action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.action-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-light);
    transform: translateY(-2px);
}

.action-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.action-name {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-align: center;
}

/* =============================================================================
   LOG/OUTPUT AREA
   ============================================================================= */
.log-area {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    max-height: 300px;
    overflow-y: auto;
}

.log-entry {
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--glass-border);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-entry.success {
    color: var(--success);
}

.log-entry.error {
    color: var(--danger);
}

.log-entry.warning {
    color: var(--warning);
}

/* =============================================================================
   TABS
   ============================================================================= */
.tabs {
    display: flex;
    gap: var(--space-xs);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xs);
}

.tab {
    flex: 1;
    padding: var(--space-sm) var(--space-lg);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.tab.active {
    background: var(--accent);
    color: white;
}

/* =============================================================================
   UTILITY CLASSES
   ============================================================================= */
/* Text */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* Spacing */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-flex { display: inline-flex; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* =============================================================================
   RESPONSIVE
   ============================================================================= */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .header-actions {
        flex-wrap: wrap;
    }
}

@media (max-width: 600px) {
    .container-app {
        padding: 0 var(--space-md);
    }

    .header {
        padding: var(--space-lg) var(--space-md);
    }

    .stats-grid,
    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .modal {
        width: 95%;
        padding: var(--space-xl);
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 400px) {
    .action-card {
        padding: var(--space-md);
    }

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

    .action-name {
        font-size: var(--font-size-xs);
    }
}

/* =============================================================================
   SCROLLBAR STYLING
   ============================================================================= */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--glass-border-light);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--glass-border-active);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--glass-border-light) var(--bg-primary);
}

/* =============================================================================
   MOMENTUM HUB LAYOUT EXTENSIONS
   ============================================================================= */
.header {
    text-align: center;
    padding: 3rem 1rem 2rem;
}

.header h1 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    padding: 0 1rem 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.app-card {
    background: var(--bg-card);
    backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
}

.app-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-light);
    transform: translateY(-2px);
}

.app-card.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.app-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.app-name {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.app-description {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.app-badge {
    display: inline-block;
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    margin-top: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.app-badge.active {
    background: rgba(52, 168, 83, 0.2);
    color: #34a853;
}

@media (max-width: 600px) {
    .apps-grid { grid-template-columns: 1fr; }
    .header h1 { font-size: 1.6rem; }
}

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; }
.section-count { background: var(--bg-card-hover); border: 1px solid var(--glass-border); color: var(--text-secondary); padding: 0.25rem 0.75rem; border-radius: 999px; font-size: 0.85rem; }
.search-urls { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* =============================================================================
   NAVIGATION + GLASS UI
   ============================================================================= */
.navbar {
    background: rgba(5, 5, 7, 0.85);
    backdrop-filter: blur(40px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 500;
    font-size: 1.3rem;
    color: var(--text-secondary) !important;
    letter-spacing: -0.02em;
}

.navbar-brand i { opacity: 0.8; }

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1rem !important;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary) !important;
    background: var(--bg-card-hover);
}

.navbar-toggler { border-color: var(--glass-border); }
.navbar-toggler-icon { filter: invert(1); }

.view-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 0.25rem;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    width: fit-content;
}

.view-tab {
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.view-tab:hover { color: var(--text-primary); background: var(--bg-card-hover); }
.view-tab.active { color: var(--text-primary); background: rgba(255, 255, 255, 0.1); }

/* Cards */
.card, .glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.8);
    transition: all 0.3s ease;
}

.card:hover, .glass-card:hover { background: var(--bg-card-hover); border-color: var(--glass-border-light); }
.card-header { background: transparent; border-bottom: 1px solid var(--glass-border); color: var(--text-primary); font-weight: 500; padding: 1.25rem 1.5rem; }
.card-body { padding: 1.5rem; }
.card-footer { background: transparent; border-top: 1px solid var(--glass-border); }

.stat-card { text-align: center; padding: 2rem; }
.stat-icon { font-size: 2rem; margin-bottom: 1rem; color: var(--text-muted); opacity: 0.7; }
.stat-value { font-size: 1.75rem; font-weight: 500; color: var(--text-primary); }
.stat-label { color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.25rem; }

/* Buttons */
.btn-primary {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    font-weight: 500;
    padding: 0.65rem 1.5rem;
    transition: all 0.2s ease;
}

.btn-primary:hover { background: rgba(255, 255, 255, 0.18); color: var(--text-primary); border-color: rgba(255, 255, 255, 0.2); transform: translateY(-1px); }
.btn-outline-primary, .btn-outline-secondary { color: var(--text-secondary); border: 1px solid var(--glass-border-light); border-radius: 10px; font-weight: 500; background: transparent; }
.btn-outline-primary:hover, .btn-outline-secondary:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.15); color: var(--text-primary); }
.btn-outline-danger { color: var(--text-secondary); border: 1px solid var(--glass-border); border-radius: 10px; }
.btn-outline-danger:hover { background: rgba(255, 100, 100, 0.15); border-color: rgba(255, 100, 100, 0.3); color: rgba(255, 150, 150, 0.9); }
.btn-success { background: rgba(100, 200, 100, 0.15); color: rgba(100, 200, 100, 0.8); border: 1px solid rgba(100, 200, 100, 0.3); border-radius: 10px; }
.btn-success:hover { background: rgba(100, 200, 100, 0.25); color: rgba(100, 200, 100, 0.8); }

/* Forms */
.form-control, .form-select {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    padding: 0.75rem 1rem;
}

.form-control:focus, .form-select:focus { background: var(--bg-card-hover); border-color: var(--glass-border-light); box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05); color: var(--text-primary); }
.form-control::placeholder { color: var(--text-muted); }
.form-label { color: var(--text-secondary); font-weight: 500; font-size: 0.85rem; }
textarea.form-control { min-height: 150px; font-family: monospace; font-size: 0.85rem; }

/* Tables */
.table { color: var(--text-primary); --bs-table-bg: transparent; margin-bottom: 0; }
.table th { font-weight: 500; color: var(--text-secondary); text-transform: uppercase; font-size: 0.7rem; letter-spacing: 0.08em; border-bottom: 1px solid var(--glass-border); padding: 1rem 1.25rem; }
.table td { border-bottom: 1px solid var(--glass-border); padding: 1.1rem 1.25rem; vertical-align: middle; font-size: 0.9rem; color: var(--text-primary); }
.table td strong { color: var(--text-primary); }
.table-hover tbody tr:hover { background: var(--bg-card-hover) !important; }

/* Utility text colors */
.text-muted { color: var(--text-secondary) !important; }
.text-success { color: rgba(100, 200, 100, 0.8) !important; }
.text-danger { color: rgba(255, 100, 100, 0.8) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: #6366f1 !important; }

h1, h2, h3, h4, h5, h6 { color: var(--text-primary); font-weight: 500; }
h2 { color: rgba(255, 255, 255, 0.85); }
p { color: var(--text-secondary); }
strong { font-weight: 500; color: var(--text-primary); }

/* Alerts */
.alert { background: var(--bg-card); border: 1px solid var(--glass-border); border-radius: 12px; color: var(--text-primary); }
.alert-danger { background: rgba(255, 100, 100, 0.1); border-color: rgba(255, 100, 100, 0.2); }
.alert-success { background: rgba(100, 200, 100, 0.1); border-color: rgba(100, 200, 100, 0.2); }
.alert-warning { background: rgba(255, 193, 7, 0.1); border-color: rgba(255, 193, 7, 0.2); }
.alert-info { background: rgba(99, 102, 241, 0.1); border-color: rgba(99, 102, 241, 0.2); }

/* Badges */
.category-badge { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.25rem 0.6rem; border-radius: 6px; font-size: 0.75rem; font-weight: 500; background: rgba(255, 255, 255, 0.08); }
.badge-business { background: rgba(99, 102, 241, 0.2); color: rgba(129, 140, 248, 0.9); }
.badge-personal { background: rgba(16, 185, 129, 0.2); color: rgba(52, 211, 153, 0.9); }

/* Insights */
.insight-card { padding: 1rem 1.25rem; border-radius: 12px; margin-bottom: 0.75rem; display: flex; align-items: flex-start; gap: 1rem; }
.insight-card.info { background: rgba(99, 102, 241, 0.1); border: 1px solid rgba(99, 102, 241, 0.2); }
.insight-card.warning { background: rgba(245, 158, 11, 0.1); border: 1px solid rgba(245, 158, 11, 0.2); }
.insight-card.danger { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.2); }
.insight-card.success { background: rgba(34, 197, 94, 0.1); border: 1px solid rgba(34, 197, 94, 0.2); }
.insight-icon { font-size: 1.5rem; opacity: 0.8; }
.insight-content { flex: 1; }
.insight-title { font-weight: 600; font-size: 0.9rem; margin-bottom: 0.25rem; }
.insight-message { font-size: 0.85rem; color: var(--text-secondary); }

/* Misc */
.empty-state { text-align: center; padding: 4rem 2rem; }
.empty-state .display-1 { color: var(--text-muted); opacity: 0.3; }
.bank-card { cursor: pointer; transition: all 0.2s ease; }
.bank-card:hover { transform: translateY(-2px); border-color: rgba(255, 255, 255, 0.15); }
.bank-logo { width: 48px; height: 48px; border-radius: 12px; background: rgba(255, 255, 255, 0.1); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.balance-positive { color: rgba(100, 200, 100, 0.8); }
.balance-negative { color: rgba(255, 100, 100, 0.8); }
.match-score { background: #1a3a1a; color: #4ade80; padding: 4px 10px; border-radius: 4px; font-size: 0.85rem; font-weight: bold; white-space: nowrap; }
.match-score.high { background: #1a4a1a; color: #22c55e; }
.match-score.medium { background: #3a3a1a; color: #eab308; }
.match-score.low { background: #3a1a1a; color: #ef4444; }

.chart-container { position: relative; height: 300px; width: 100%; }
.chart-container-sm { height: 200px; }

/* Contracts */
.contract-list { list-style: none; padding: 0; margin: 0; }
.contract-item, .application-item { padding: 12px; border-bottom: 1px solid var(--glass-border); display: flex; justify-content: space-between; align-items: flex-start; gap: 0.75rem; }
.contract-item:last-child, .application-item:last-child { border-bottom: none; }
.contract-info { flex: 1; }
.contract-title { color: var(--text-primary); font-weight: 600; margin-bottom: 4px; }
.contract-title a { color: inherit; text-decoration: none; }
.contract-title a:hover { color: var(--text-primary); }
.contract-company { color: var(--text-secondary); font-size: 0.9rem; }
.contract-meta { display: flex; gap: 10px; margin-top: 5px; flex-wrap: wrap; }
.contract-meta span { font-size: 0.8rem; color: var(--text-muted); }
.status-badge { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; background: var(--bg-card-hover); border: 1px solid var(--glass-border); color: var(--text-secondary); }
.status-applied { background: rgba(66, 133, 244, 0.2); color: #8ab4ff; border-color: rgba(66, 133, 244, 0.3); }
.status-interviewing { background: rgba(251, 188, 4, 0.2); color: #fbbc04; border-color: rgba(251, 188, 4, 0.3); }
.status-offer { background: rgba(52, 168, 83, 0.15); color: #34a853; border-color: rgba(52, 168, 83, 0.25); }
.status-won { background: rgba(74, 222, 128, 0.2); color: #4ade80; border-color: rgba(74, 222, 128, 0.3); }
.status-lost { background: rgba(239, 68, 68, 0.2); color: #ef4444; border-color: rgba(239, 68, 68, 0.3); }


::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 3px; }