/* ===========================
   CSS VARIABLES & RESET
   =========================== */

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

:root {
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --secondary: #10b981;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --border: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
    --accent: #8b5cf6;
    --navbar-bg: #ffffff;
    --gradient: linear-gradient(135deg, #8b5cf6 0%, #10b981 100%);
    --code-bg: #1e1e1e;
    --code-text: #d4d4d4;
    --numeric: #3b82f6;
    --string: #10b981;
    --datetime: #f59e0b;
    --boolean: #ef4444;
    --json: #8b5cf6;
    --special: #ec4899;
}

[data-theme="dark"] {
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-card: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --border: #374151;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-lg: rgba(0, 0, 0, 0.5);
    --navbar-bg: #111827;
    --code-bg: #0f172a;
    --code-text: #cbd5e1;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
    background: var(--gradient);
    padding: 4rem 2rem;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
    border-bottom: 2px solid var(--border);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.hero-para {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.hero-stats span {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .hero {
    background: linear-gradient(to right, #111827, #1f2937);
}

[data-theme="dark"] .hero-para {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .hero-h1 {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .hero-stats span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    border: 1px solid #7c3aed;
}

/* ===========================
   MAIN CONTAINER
   =========================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* ===========================
   CONTROLS PANEL
   =========================== */

.controls-panel {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 30px;
    border: 2px solid var(--border);
    box-shadow: 0 4px 20px var(--shadow);
}

.control-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.control-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.control-item label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-weight: 500;
    min-width: 120px;
}

.db-select, .category-select {
    padding: 10px 15px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    min-width: 180px;
}

.db-select:focus, .category-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* ===========================
   SEARCH BOX
   =========================== */

.search-box {
    margin-bottom: 30px;
}

.search-container {
    position: relative;
    margin-bottom: 15px;
}

.search-input {
    width: 100%;
    padding: 15px 50px 15px 50px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.clear-search-btn {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 5px;
    transition: color 0.3s ease;
}

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

.search-stats {
    display: flex;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.search-stats span {
    background: var(--bg-secondary);
    padding: 4px 10px;
    border-radius: 20px;
}

/* ===========================
   DATA TYPES GRID
   =========================== */

.data-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
    animation: fadeIn 0.6s ease;
}

.data-type-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 25px;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
    animation: slideUp 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow);
}

.data-type-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-lg);
    border-color: var(--primary);
}

.type-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    gap: 10px;
}

.type-name {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
}

.type-category {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.type-category.numeric {
    background: rgba(59, 130, 246, 0.15);
    color: var(--numeric);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.type-category.string {
    background: rgba(16, 185, 129, 0.15);
    color: var(--string);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.type-category.datetime {
    background: rgba(245, 158, 11, 0.15);
    color: var(--datetime);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.type-category.boolean {
    background: rgba(239, 68, 68, 0.15);
    color: var(--boolean);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.type-category.json {
    background: rgba(139, 92, 246, 0.15);
    color: var(--json);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.type-category.special {
    background: rgba(236, 72, 153, 0.15);
    color: var(--special);
    border: 1px solid rgba(236, 72, 153, 0.3);
}

.type-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.type-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.detail-item {
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 600;
    word-break: break-word;
}

.example-section {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid var(--primary);
}

.example-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.example-code {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid var(--border);
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    grid-column: 1 / -1;
}

.no-results i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--text-secondary);
    opacity: 0.5;
}

/* ===========================
   NOTIFICATION
   =========================== */

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    background: var(--gradient);
    color: white;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
    transform: translateX(400px);
    transition: transform 0.4s ease;
    z-index: 1000;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.notification.show {
    transform: translateX(0);
}

.notification.error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.notification.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.notification.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

/* ===========================
   ANIMATIONS
   =========================== */

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

@media (max-width: 1024px) {
    .data-types-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-h1 {
        font-size: 2.5rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero-para {
        font-size: 1.1rem;
    }

    .hero-stats {
        gap: 1rem;
    }

    .hero-stats span {
        padding: 6px 15px;
        font-size: 0.9rem;
    }

    .container {
        padding: 2rem 1rem;
    }

    .control-group {
        grid-template-columns: 1fr;
    }

    .control-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .control-item label {
        min-width: auto;
    }

    .db-select, .category-select {
        width: 100%;
    }

    .data-types-grid {
        grid-template-columns: 1fr;
    }

    .type-details {
        grid-template-columns: 1fr;
    }

    .search-stats {
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .hero-h1 {
        font-size: 2rem;
    }

    .hero-para {
        font-size: 1rem;
    }

    .container {
        padding: 1.5rem 1rem;
    }

    .controls-panel {
        padding: 20px;
    }

    .data-type-card {
        padding: 20px;
    }

    .type-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .notification {
        left: 10px;
        right: 10px;
        width: calc(100% - 20px);
        transform: translateY(-100px);
    }

    .notification.show {
        transform: translateY(0);
    }
}