/* CSS Variables */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;

    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;

    --border-color: #2a2a3a;
    --border-light: #3a3a4a;

    --techniques-primary: #f97316;
    --techniques-secondary: #fb923c;
    --techniques-bg: rgba(249, 115, 22, 0.1);
    --techniques-border: rgba(249, 115, 22, 0.3);

    --evasions-primary: #8b5cf6;
    --evasions-secondary: #a78bfa;
    --evasions-bg: rgba(139, 92, 246, 0.1);
    --evasions-border: rgba(139, 92, 246, 0.3);

    --intents-primary: #ef4444;
    --intents-secondary: #f87171;
    --intents-bg: rgba(239, 68, 68, 0.1);
    --intents-border: rgba(239, 68, 68, 0.3);

    --inputs-primary: #14b8a6;
    --inputs-secondary: #2dd4bf;
    --inputs-bg: rgba(20, 184, 166, 0.1);
    --inputs-border: rgba(20, 184, 166, 0.3);

    --accent-cyan: #06b6d4;
    --accent-green: #22c55e;

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

    --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 25px rgba(0, 0, 0, 0.5);
    --shadow-glow-techniques: 0 0 20px rgba(249, 115, 22, 0.2);
    --shadow-glow-evasions: 0 0 20px rgba(139, 92, 246, 0.2);
    --shadow-glow-intents: 0 0 20px rgba(239, 68, 68, 0.2);
    --shadow-glow-inputs: 0 0 20px rgba(20, 184, 166, 0.2);

    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Grid Effect */
.background-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

/* Header */
.main-header {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 2rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--techniques-primary), var(--evasions-primary), var(--intents-primary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-icon svg {
    width: 28px;
    height: 28px;
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.125rem;
}

.header-stats {
    display: flex;
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    min-width: 80px;
}

.stat-item.techniques {
    border-color: var(--techniques-border);
    background: var(--techniques-bg);
}

.stat-item.evasions {
    border-color: var(--evasions-border);
    background: var(--evasions-bg);
}

.stat-item.intents {
    border-color: var(--intents-border);
    background: var(--intents-bg);
}

.stat-item.inputs {
    border-color: var(--inputs-border);
    background: var(--inputs-bg);
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.stat-item.techniques .stat-number { color: var(--techniques-primary); }
.stat-item.evasions .stat-number { color: var(--evasions-primary); }
.stat-item.intents .stat-number { color: var(--intents-primary); }
.stat-item.inputs .stat-number { color: var(--inputs-primary); }

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

/* Filter Navigation */
.filter-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 99;
}

.filter-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.625rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

.filter-btn.techniques .filter-dot { background: var(--techniques-primary); }
.filter-btn.evasions .filter-dot { background: var(--evasions-primary); }
.filter-btn.intents .filter-dot { background: var(--intents-primary); }
.filter-btn.inputs .filter-dot { background: var(--inputs-primary); }

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

.filter-btn.active {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--bg-primary);
}

.filter-btn.techniques.active {
    background: var(--techniques-primary);
    border-color: var(--techniques-primary);
}

.filter-btn.evasions.active {
    background: var(--evasions-primary);
    border-color: var(--evasions-primary);
}

.filter-btn.intents.active {
    background: var(--intents-primary);
    border-color: var(--intents-primary);
}

.filter-btn.inputs.active {
    background: var(--inputs-primary);
    border-color: var(--inputs-primary);
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Category Sections */
.category-section {
    margin-bottom: 3rem;
}

.category-section.hidden {
    display: none;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.section-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-icon svg {
    width: 24px;
    height: 24px;
}

.section-icon.techniques {
    background: var(--techniques-bg);
    border: 1px solid var(--techniques-border);
    color: var(--techniques-primary);
}

.section-icon.evasions {
    background: var(--evasions-bg);
    border: 1px solid var(--evasions-border);
    color: var(--evasions-primary);
}

.section-icon.intents {
    background: var(--intents-bg);
    border: 1px solid var(--intents-border);
    color: var(--intents-primary);
}

.section-icon.inputs {
    background: var(--inputs-bg);
    border: 1px solid var(--inputs-border);
    color: var(--inputs-primary);
}

.section-title h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.section-title p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.section-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--inputs-primary);
    border-radius: var(--radius-md);
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

/* Card Styles */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

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

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

/* Techniques Card */
.card.techniques {
    border-left: 3px solid var(--techniques-primary);
}

.card.techniques::before {
    background: linear-gradient(90deg, var(--techniques-primary), transparent);
}

.card.techniques:hover {
    background: var(--techniques-bg);
    box-shadow: var(--shadow-glow-techniques);
}

/* Evasions Card */
.card.evasions {
    border-left: 3px solid var(--evasions-primary);
}

.card.evasions::before {
    background: linear-gradient(90deg, var(--evasions-primary), transparent);
}

.card.evasions:hover {
    background: var(--evasions-bg);
    box-shadow: var(--shadow-glow-evasions);
}

/* Intents Card */
.card.intents {
    border-left: 3px solid var(--intents-primary);
}

.card.intents::before {
    background: linear-gradient(90deg, var(--intents-primary), transparent);
}

.card.intents:hover {
    background: var(--intents-bg);
    box-shadow: var(--shadow-glow-intents);
}

/* Inputs Card */
.card.inputs {
    border-left: 3px solid var(--inputs-primary);
}

.card.inputs::before {
    background: linear-gradient(90deg, var(--inputs-primary), transparent);
}

.card.inputs:hover {
    background: var(--inputs-bg);
    box-shadow: var(--shadow-glow-inputs);
}

.card.hidden {
    display: none;
}

.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.3;
}

.card.techniques .card-title { color: var(--techniques-secondary); }
.card.evasions .card-title { color: var(--evasions-secondary); }
.card.intents .card-title { color: var(--intents-secondary); }
.card.inputs .card-title { color: var(--inputs-secondary); }

.card-badge {
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.card.techniques .card-badge {
    background: var(--techniques-bg);
    color: var(--techniques-primary);
    border: 1px solid var(--techniques-border);
}

.card.evasions .card-badge {
    background: var(--evasions-bg);
    color: var(--evasions-primary);
    border: 1px solid var(--evasions-border);
}

.card.intents .card-badge {
    background: var(--intents-bg);
    color: var(--intents-primary);
    border: 1px solid var(--intents-border);
}

.card.inputs .card-badge {
    background: var(--inputs-bg);
    color: var(--inputs-primary);
    border: 1px solid var(--inputs-border);
}

.card-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-examples-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.card-examples-count svg {
    width: 14px;
    height: 14px;
}

.card-view-more {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    opacity: 0;
    transform: translateX(-5px);
    transition: all var(--transition-fast);
}

.card-view-more svg {
    width: 14px;
    height: 14px;
}

.card:hover .card-view-more {
    opacity: 1;
    transform: translateX(0);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: 2rem;
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

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

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

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

.modal-close svg {
    width: 18px;
    height: 18px;
}

.modal-header {
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
}

.modal-category.techniques {
    background: var(--techniques-bg);
    color: var(--techniques-primary);
    border: 1px solid var(--techniques-border);
}

.modal-category.evasions {
    background: var(--evasions-bg);
    color: var(--evasions-primary);
    border: 1px solid var(--evasions-border);
}

.modal-category.intents {
    background: var(--intents-bg);
    color: var(--intents-primary);
    border: 1px solid var(--intents-border);
}

.modal-category.inputs {
    background: var(--inputs-bg);
    color: var(--inputs-primary);
    border: 1px solid var(--inputs-border);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    padding-right: 2.5rem;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.modal-section {
    margin-bottom: 1.5rem;
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.modal-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.modal-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.modal-section li {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    line-height: 1.5;
    word-break: break-word;
}

/* Ideas list styling */
.ideas-list li {
    font-family: var(--font-sans);
    background: var(--bg-secondary);
    border-left: 3px solid var(--accent-cyan);
    padding-left: 1rem;
}

/* Footer */
.main-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-info a {
    color: var(--accent-cyan);
    text-decoration: none;
}

.footer-info a:hover {
    text-decoration: underline;
}

.attribution {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.github-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.github-link:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    color: var(--text-primary);
}

.github-link svg {
    width: 18px;
    height: 18px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-header {
        padding: 1.5rem 1rem;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .stat-item {
        min-width: auto;
        flex: 1;
        padding: 0.5rem 0.75rem;
    }

    .filter-nav {
        padding: 1rem;
    }

    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        max-width: none;
    }

    .filter-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .main-content {
        padding: 1rem;
    }

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

    .modal {
        max-height: 90vh;
    }

    .modal-overlay {
        padding: 1rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.4s ease backwards;
}

.card:nth-child(1) { animation-delay: 0.02s; }
.card:nth-child(2) { animation-delay: 0.04s; }
.card:nth-child(3) { animation-delay: 0.06s; }
.card:nth-child(4) { animation-delay: 0.08s; }
.card:nth-child(5) { animation-delay: 0.10s; }
.card:nth-child(6) { animation-delay: 0.12s; }
.card:nth-child(7) { animation-delay: 0.14s; }
.card:nth-child(8) { animation-delay: 0.16s; }
.card:nth-child(9) { animation-delay: 0.18s; }
.card:nth-child(10) { animation-delay: 0.20s; }

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}