/* ==========================================================================
   Pedrulo Hub - Modern Minimalist Design System
   ========================================================================== */

:root {
    /* Color Palette - Dark Mode (Default) */
    --bg-main: #090d16;
    --bg-surface: #0f172a;
    --bg-surface-elevated: #1e293b;
    --bg-card: rgba(15, 23, 42, 0.72);
    --bg-card-hover: rgba(30, 41, 59, 0.85);
    --bg-glass: rgba(15, 23, 42, 0.65);
    
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.2);
    --border-accent: rgba(99, 102, 241, 0.4);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-inverse: #090d16;

    --accent-primary: #6366f1;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --accent-glow: rgba(99, 102, 241, 0.35);

    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.3);
    --warning: #f59e0b;
    --danger: #ef4444;

    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 9999px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--accent-glow);

    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Mode Overrides */
html.light {
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 0.98);
    --bg-glass: rgba(255, 255, 255, 0.75);

    --border-subtle: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.16);
    --border-accent: rgba(99, 102, 241, 0.35);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.12);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

/* Ambient Glow Backgrounds */
.ambient-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.45;
    transition: opacity var(--transition-smooth);
}

.glow-1 {
    top: -10%;
    left: 15%;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, #6366f1 0%, transparent 70%);
}

.glow-2 {
    top: 30%;
    right: 5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #ec4899 0%, transparent 70%);
    opacity: 0.25;
}

.glow-3 {
    bottom: -10%;
    left: 30%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
    opacity: 0.2;
}

html.light .ambient-glow {
    opacity: 0.18;
}

/* App Container */
.app-container {
    position: relative;
    z-index: 1;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px 60px 24px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

.navbar-glass {
    position: sticky;
    top: 20px;
    z-index: 100;
    margin-top: 20px;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    box-shadow: 0 4px 14px var(--accent-glow);
    transition: transform var(--transition-fast);
}

.logo-wrapper:hover .logo-icon {
    transform: scale(1.05) rotate(5deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.brand-accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-subtitle {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--success);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success);
    box-shadow: 0 0 10px var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Nav Center - Search */
.nav-center {
    flex: 1;
    max-width: 480px;
}

.search-container {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    padding: 2px 14px;
    transition: all var(--transition-base);
}

.search-container:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.search-icon {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-right: 10px;
}

#searchInput {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 8px 0;
    font-family: inherit;
    font-size: 0.88rem;
    color: var(--text-primary);
}

#searchInput::placeholder {
    color: var(--text-muted);
}

.clear-search-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.clear-search-btn:hover {
    color: var(--text-primary);
}

.search-shortcut {
    display: flex;
    gap: 4px;
    margin-left: 8px;
}

.search-shortcut kbd {
    background: var(--bg-main);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-muted);
}

/* Nav Right - Controls */
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.env-toggle-wrapper {
    display: flex;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    padding: 3px;
    gap: 2px;
}

.env-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.env-btn.active {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 2px 8px var(--accent-glow);
}

.env-btn:hover:not(.active) {
    color: var(--text-primary);
}

.icon-action-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-subtle);
    background: var(--bg-surface-elevated);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-action-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
    padding: 64px 0 36px 0;
    text-align: center;
    display: flex;
    justify-content: center;
}

.hero-content {
    max-width: 820px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-pill);
    font-size: 0.82rem;
    font-weight: 600;
    color: #818cf8;
    margin-bottom: 20px;
    animation: fadeInDown 0.6s ease-out;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.15;
    margin-bottom: 18px;
    color: var(--text-primary);
    animation: fadeInUp 0.7s ease-out;
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.12rem;
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.6;
    margin-bottom: 36px;
    animation: fadeInUp 0.8s ease-out;
}

/* Hero Stats Bar */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 16px 32px;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.9s ease-out;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 1.4rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 2px;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--border-subtle);
}

.text-success {
    color: var(--success) !important;
}

/* ==========================================================================
   Filters & Navigation Section
   ========================================================================== */

.filters-section {
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.categories-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding-bottom: 4px;
}

.category-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    user-select: none;
}

.category-pill:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.category-pill.active {
    background: var(--text-primary);
    color: var(--text-inverse);
    border-color: var(--text-primary);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.12);
}

html.light .category-pill.active {
    background: #0f172a;
    color: #ffffff;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.2);
}

.category-pill .pill-count {
    padding: 2px 7px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-pill);
    font-size: 0.72rem;
    font-family: var(--font-mono);
    font-weight: 700;
}

.category-pill.active .pill-count {
    background: rgba(0, 0, 0, 0.2);
    color: inherit;
}

html.light .category-pill.active .pill-count {
    background: rgba(255, 255, 255, 0.25);
}

.view-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4px;
}

.results-count {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}

.sort-dropdown-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 4px 12px;
}

.sort-icon {
    font-size: 0.8rem;
    color: var(--text-muted);
}

#sortSelect {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    outline: none;
    cursor: pointer;
}

#sortSelect option {
    background: var(--bg-surface);
    color: var(--text-primary);
}

/* ==========================================================================
   Projects Grid & Cards
   ========================================================================== */

.projects-container {
    flex: 1;
    min-height: 400px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
}

/* Single Project Card */
.project-card {
    position: relative;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-smooth);
    cursor: pointer;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-accent, var(--accent-gradient));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg), 0 0 25px rgba(99, 102, 241, 0.12);
    background: var(--bg-card-hover);
}

.project-card:hover::before {
    opacity: 1;
}

/* Card Header */
.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}

.card-title-group {
    display: flex;
    align-items: center;
    gap: 14px;
}

.card-icon-box {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
    transition: transform var(--transition-fast);
}

.project-card:hover .card-icon-box {
    transform: scale(1.1) rotate(4deg);
}

.card-title-meta {
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.3;
}

.card-category-badge {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 2px;
}

.card-status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-pill);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--success);
}

.card-status-indicator .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--success);
    box-shadow: 0 0 6px var(--success);
}

/* Card Body */
.card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 20px;
}

.card-summary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.card-highlights {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card-highlight-item {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.card-highlight-item i {
    color: var(--accent-primary);
    font-size: 0.68rem;
}

/* Card Tags */
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tech-tag {
    font-size: 0.72rem;
    font-weight: 600;
    font-family: var(--font-mono);
    padding: 3px 8px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.project-card:hover .tech-tag {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

/* Card Footer */
.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    gap: 12px;
}

.card-url-preview {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 180px;
}

.card-url-preview i {
    font-size: 0.7rem;
    color: var(--accent-primary);
}

.card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-open-project {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-pill);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--accent-glow);
    transition: all var(--transition-fast);
}

.btn-open-project:hover {
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 6px 18px var(--accent-glow);
}

.btn-info-quickview {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--border-subtle);
    background: var(--bg-surface-elevated);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-info-quickview:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    max-width: 500px;
    margin: 40px auto;
}

.empty-icon {
    font-size: 2.8rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.empty-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.empty-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 24px;
}

.btn-reset-filters {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-reset-filters:hover {
    background: var(--text-primary);
    color: var(--text-inverse);
}

/* ==========================================================================
   Modal Styles
   ========================================================================== */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.25s ease-out;
}

.modal-card {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 32px;
    box-shadow: var(--shadow-lg);
    animation: scaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-subtle);
    background: var(--bg-surface-elevated);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 28px;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer-glass {
    margin-top: auto;
    padding-top: 40px;
    border-top: 1px solid var(--border-subtle);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-dot {
    color: var(--text-muted);
}

.footer-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.footer-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
}

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

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast-item {
    pointer-events: auto;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text-primary);
    animation: slideInRight 0.3s ease-out forwards;
}

.toast-item.exit {
    animation: slideOutRight 0.3s ease-in forwards;
}

/* ==========================================================================
   Animations & Keyframes
   ========================================================================== */

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleUp {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideOutRight {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(30px); }
}

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

/* Tablets and intermediate screens */
@media (max-width: 992px) {
    .navbar-glass {
        padding: 12px 18px;
        gap: 12px;
    }

    .hero-section {
        padding: 40px 0 24px 0;
    }

    .hero-title {
        font-size: 2.3rem;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 24px;
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 18px;
    }
}

/* Small Tablets / Large Mobile (max-width: 768px) */
@media (max-width: 768px) {
    .app-container {
        padding: 0 14px 30px 14px;
    }

    .navbar-glass {
        top: 10px;
        margin-top: 10px;
        padding: 10px 14px;
        border-radius: var(--radius-lg);
        flex-wrap: wrap;
        gap: 10px;
    }

    .nav-left {
        order: 1;
    }

    .nav-right {
        order: 2;
        margin-left: auto;
    }

    .nav-center {
        order: 3;
        width: 100%;
        max-width: 100%;
    }

    .hero-section {
        padding: 24px 0 16px 0;
    }

    .hero-title {
        font-size: 1.75rem;
        margin-bottom: 8px;
    }

    .hero-description {
        font-size: 0.88rem;
        margin-bottom: 16px;
    }

    .hero-stats {
        padding: 10px 20px;
        gap: 20px;
    }

    .stat-number {
        font-size: 1.15rem;
    }

    .categories-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 6px;
        scrollbar-width: none;
    }

    .categories-nav::-webkit-scrollbar {
        display: none;
    }

    .category-pill {
        flex-shrink: 0;
        padding: 6px 14px;
        font-size: 0.82rem;
    }

    .projects-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .project-card {
        padding: 14px;
    }

    .card-highlights {
        display: none;
    }
}

/* Mobile Screens (max-width: 600px) - Compact multi-card view without scroll */
@media (max-width: 600px) {
    .app-container {
        padding: 0 10px 24px 10px;
    }

    .ambient-glow {
        opacity: 0.2;
    }

    /* Compact Navbar */
    .navbar-glass {
        top: 6px;
        margin-top: 4px;
        padding: 8px 12px;
        border-radius: var(--radius-md);
        gap: 8px;
        box-shadow: var(--shadow-sm);
    }

    .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
        border-radius: var(--radius-sm);
    }

    .brand-title {
        font-size: 0.95rem;
    }

    .brand-subtitle {
        display: none;
    }

    .status-pill {
        padding: 3px 8px;
        font-size: 0.68rem;
    }

    .search-container {
        padding: 2px 10px;
    }

    #searchInput {
        font-size: 0.8rem;
        padding: 5px 0;
    }

    .search-shortcut {
        display: none;
    }

    .icon-action-btn {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
    }

    /* Ultra Compact Hero */
    .hero-section {
        padding: 12px 0 8px 0;
    }

    .hero-badge {
        display: none;
    }

    .hero-title {
        font-size: 1.3rem;
        line-height: 1.2;
        margin-bottom: 4px;
    }

    .hero-description {
        display: none;
    }

    .hero-stats {
        padding: 6px 14px;
        gap: 14px;
        border-radius: var(--radius-md);
        margin-top: 4px;
    }

    .stat-number {
        font-size: 0.95rem;
    }

    .stat-label {
        font-size: 0.62rem;
    }

    .stat-divider {
        height: 18px;
    }

    /* Compact Filters */
    .filters-section {
        margin-bottom: 10px;
        gap: 8px;
    }

    .categories-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
        gap: 6px;
        scrollbar-width: none;
    }

    .categories-nav::-webkit-scrollbar {
        display: none;
    }

    .category-pill {
        flex-shrink: 0;
        padding: 4px 10px;
        font-size: 0.74rem;
        gap: 5px;
    }

    .category-pill .pill-count {
        font-size: 0.64rem;
        padding: 1px 5px;
    }

    .view-controls {
        font-size: 0.72rem;
    }

    .results-count {
        font-size: 0.72rem;
    }

    .sort-dropdown-wrapper {
        padding: 2px 8px;
        gap: 4px;
    }

    #sortSelect {
        font-size: 0.72rem;
    }

    /* 2-Column Ultra Compact Cards Grid */
    .projects-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .project-card {
        padding: 10px 10px 8px 10px;
        border-radius: var(--radius-md);
        min-height: auto;
    }

    .project-card:hover {
        transform: none; /* Smooth touch responsiveness without jumps */
    }

    .card-header {
        margin-bottom: 6px;
        gap: 6px;
    }

    .card-title-group {
        gap: 8px;
        min-width: 0;
    }

    .card-icon-box {
        width: 32px;
        height: 32px;
        font-size: 1.05rem;
        border-radius: var(--radius-sm);
        flex-shrink: 0;
    }

    .card-title-meta {
        min-width: 0;
    }

    .card-title {
        font-size: 0.84rem;
        font-weight: 700;
        line-height: 1.2;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .card-category-badge {
        font-size: 0.6rem;
        margin-top: 1px;
    }

    .card-status-indicator {
        display: none;
    }

    .card-body {
        margin-bottom: 6px;
        gap: 4px;
    }

    .card-summary {
        font-size: 0.72rem;
        line-height: 1.32;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        color: var(--text-secondary);
    }

    .card-highlights {
        display: none;
    }

    .card-tags {
        display: none;
    }

    .card-footer {
        padding-top: 6px;
        gap: 6px;
        border-top: 1px solid var(--border-subtle);
    }

    .card-url-preview {
        display: none;
    }

    .card-actions {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 6px;
    }

    .btn-info-quickview {
        width: 26px;
        height: 26px;
        font-size: 0.75rem;
        flex-shrink: 0;
        border-radius: 50%;
    }

    .btn-open-project {
        flex: 1;
        padding: 4px 8px;
        font-size: 0.72rem;
        justify-content: center;
        border-radius: var(--radius-sm);
        gap: 4px;
    }

    .btn-open-project span {
        font-size: 0.72rem;
    }

    .btn-open-project i {
        font-size: 0.65rem;
    }

    /* Modal Mobile Adaptations */
    .modal-card {
        padding: 16px;
        border-radius: var(--radius-lg);
        max-height: 88vh;
    }

    .modal-header {
        gap: 10px;
        margin-bottom: 14px;
    }

    .modal-body {
        gap: 14px;
        margin-bottom: 18px;
    }

    .modal-close-btn {
        top: 12px;
        right: 12px;
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }

    .modal-footer {
        padding-top: 14px;
        gap: 8px;
    }

    .footer-glass {
        padding-top: 24px;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
    }
}