/* ROOT VARIABLES & RESET */
:root {
    --bg-dark: #0f1115;
    --bg-card: #161b22;
    --bg-card-hover: #1c2128;
    --text-main: #e6edf3;
    --text-muted: #8b949e;

    /* Brand Accents */
    --accent-primary: #58a6ff;
    /* Blue */
    --accent-secondary: #238636;
    /* Green */
    --accent-tertiary: #a371f7;
    /* Purple */
    --accent-glow: rgba(88, 166, 255, 0.15);

    --border-color: #30363d;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* BACKGROUND ACCENTS */
.page-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    background:
        radial-gradient(circle at 10% 20%, rgba(88, 166, 255, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 60%, rgba(163, 113, 247, 0.05) 0%, transparent 40%);
}

.docs-container {
    max-width: 1200px;
    margin: 0 auto;
    display: block;
    min-height: 100vh;
    padding: 0 1rem;
}

/* SIDEBAR REMOVED */

/* MAIN CONTENT */
.docs-content {
    width: 100%;
    max-width: 100%;
    padding: 4rem 1rem;
    margin: 0 auto;
}

/* Title Bar */
.title-bar {
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
}

.title-bar h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #fff, #a5b4fc);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title-bar p {
    color: var(--text-muted);
    font-size: 1.25rem;
    max-width: 600px;
}

/* SECTIONS */
.doc-section {
    margin-bottom: 6rem;
    scroll-margin-top: 2rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding-bottom: 0;
    border-bottom: none;
}

.section-icon {
    width: 28px;
    height: 28px;
    color: var(--accent-primary);
}

.section-intro {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 700px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

/* ARCHITECTURE DIAGRAM */
.flow-diagram {
    display: grid;
    gap: 1.5rem;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.flow-step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    gap: 1.5rem;
    transition: transform 0.2s;
}

.flow-step:hover {
    border-color: var(--accent-primary);
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--bg-card-hover);
    color: var(--accent-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--text-main);
}

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

.flow-arrow {
    text-align: center;
    color: var(--border-color);
    font-size: 1.5rem;
    height: 20px;
    line-height: 20px;
}

/* MODULES GRID NAV */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    /* Slightly wider cards */
    gap: 2rem;
}

.module-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    /* Increased padding */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    height: 100%;
}

.module-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.module-icon-wrapper {
    width: 56px;
    /* Larger icon wrapper */
    height: 56px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.module-card h3 {
    font-size: 1.5rem;
    /* Larger headings */
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.75rem;
}

.module-card p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 2.5rem;
    flex-grow: 1;
    line-height: 1.6;
}

.module-link-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 1rem;
}

/* Unique Colors for Modules */
.mod-1 .module-icon-wrapper {
    color: var(--accent-primary);
    background: rgba(88, 166, 255, 0.1);
}

.mod-1:hover {
    border-color: var(--accent-primary);
}

.mod-1::before {
    background: var(--accent-primary);
}

.mod-2 .module-icon-wrapper {
    color: #06b6d4;
    background: rgba(6, 182, 212, 0.1);
}

.mod-2:hover {
    border-color: #06b6d4;
}

.mod-2::before {
    background: #06b6d4;
}

.mod-2 .module-link-action {
    color: #06b6d4;
}

.mod-3 .module-icon-wrapper {
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.1);
}

.mod-3::before {
    background: #8b5cf6;
}

.mod-3 .module-link-action {
    color: #8b5cf6;
}

.mod-4 .module-icon-wrapper {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
}

.mod-4:hover {
    border-color: #f59e0b;
}

.mod-4::before {
    background: #f59e0b;
}

.mod-4 .module-link-action {
    color: #f59e0b;
}

.mod-5 .module-icon-wrapper {
    color: #14b8a6;
    background: rgba(20, 184, 166, 0.1);
}

.mod-5:hover {
    border-color: #14b8a6;
}

.mod-5::before {
    background: #14b8a6;
}

.mod-5 .module-link-action {
    color: #14b8a6;
}

.mod-6 .module-icon-wrapper {
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.1);
}

.mod-6:hover {
    border-color: #8b5cf6;
}

.mod-6::before {
    background: #8b5cf6;
}

.mod-6 .module-link-action {
    color: #8b5cf6;
}

.mod-7 .module-icon-wrapper {
    color: #f43f5e;
    background: rgba(244, 63, 94, 0.1);
}

.mod-7:hover {
    border-color: #f43f5e;
}

.mod-7::before {
    background: #f43f5e;
}

.mod-7 .module-link-action {
    color: #f43f5e;
}

/* DATA TABLES */
.data-model-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 0;
    overflow: hidden;
    margin-bottom: 2rem;
    max-width: 900px;
    /* Constrain width */
    margin-left: auto;
    margin-right: auto;
}

.model-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.02);
}

.model-icon {
    font-size: 1.5rem;
}

.model-info h3 {
    font-size: 1.1rem;
    color: var(--text-main);
}

.model-badge {
    font-size: 0.75rem;
    background: rgba(88, 166, 255, 0.15);
    color: var(--accent-primary);
    padding: 0.2rem 0.5rem;
    border-radius: 100px;
    font-weight: 600;
}

.model-desc {
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.simple-data-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    /* Increase font size */
}

.simple-data-table th {
    text-align: left;
    padding: 1rem 1.5rem;
    color: var(--text-muted);
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.01);
}

.simple-data-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.simple-data-table tr:last-child td {
    border-bottom: none;
}

.type-badge {
    color: #f472b6;
}

.type-badge.bool {
    color: #fbbf24;
}

/* CHANGELOG */
.version-card {
    border-left: 2px solid var(--border-color);
    padding-left: 2rem;
    margin-bottom: 3rem;
    position: relative;
    max-width: 700px;
    /* Constrain width */
    margin-left: auto;
    margin-right: auto;
}

.version-card::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 0;
    width: 8px;
    height: 8px;
    background: var(--bg-dark);
    border: 2px solid var(--text-muted);
    border-radius: 50%;
}

.version-card.latest {
    border-left-color: var(--accent-secondary);
}

.version-card.latest::before {
    border-color: var(--accent-secondary);
    background: var(--accent-secondary);
}

.version-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.version-header h4 {
    font-size: 1.25rem;
    color: var(--text-main);
}

.version-badge {
    background: rgba(35, 134, 54, 0.2);
    color: var(--accent-secondary);
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 700;
}

.version-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.version-card ul {
    list-style: disc;
    margin-left: 1.5rem;
    color: #c9d1d9;
}

/* RESPONSIVE - COMPREHENSIVE MOBILE FIRST */

/* Tablets and smaller laptops */
@media (max-width: 1024px) {
    .docs-container {
        padding: 0 1.5rem;
    }

    .modules-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .reference-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

/* Mobile devices - Large */
@media (max-width: 768px) {
    .docs-container {
        padding: 0 0.75rem;
    }

    .docs-content {
        padding: 2rem 0.5rem;
    }

    /* Title Bar */
    .title-bar {
        margin-bottom: 2.5rem;
        gap: 1rem;
    }

    .title-bar h1 {
        font-size: 2.25rem;
        line-height: 1.2;
    }

    .title-bar p {
        font-size: 1rem;
        line-height: 1.5;
        padding: 0 0.5rem;
    }

    /* Sections */
    .doc-section {
        margin-bottom: 3.5rem;
    }

    .section-title {
        font-size: 1.5rem;
        gap: 0.5rem;
        flex-wrap: wrap;
        text-align: center;
    }

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

    .section-intro {
        font-size: 1rem;
        margin-bottom: 2rem;
        padding: 0 0.5rem;
    }

    /* Flow Diagram */
    .flow-diagram {
        gap: 1rem;
        padding: 0 0.25rem;
    }

    .flow-step {
        padding: 1.25rem;
        gap: 1rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .step-number {
        width: 28px;
        height: 28px;
        font-size: 0.9rem;
    }

    .step-title {
        font-size: 1rem;
    }

    .step-desc {
        font-size: 0.875rem;
        line-height: 1.5;
    }

    .flow-arrow {
        font-size: 1.25rem;
        height: 15px;
        line-height: 15px;
    }

    /* Modules Grid */
    .modules-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 0.25rem;
    }

    .module-card {
        padding: 1.75rem;
        border-radius: 12px;
    }

    .module-icon-wrapper {
        width: 48px;
        height: 48px;
        margin-bottom: 1rem;
    }

    .module-icon-wrapper svg {
        width: 22px;
        height: 22px;
    }

    .module-card h3 {
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }

    .module-card p {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
        line-height: 1.6;
    }

    .module-link-action {
        font-size: 0.9rem;
    }

    /* Reference Grid */
    .reference-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        margin-top: 2rem;
        padding: 0 0.25rem;
    }

    .key-card {
        padding: 1.5rem;
        border-radius: 16px;
        gap: 1rem;
    }

    .k-icon-wrapper {
        width: 56px;
        height: 56px;
    }

    .k-icon {
        width: 28px;
        height: 28px;
    }

    .k-content h3 {
        font-size: 1.2rem;
    }

    .k-content p {
        font-size: 0.875rem;
        margin-bottom: 1rem;
    }

    .k-link {
        font-size: 0.85rem;
    }

    /* Data Tables */
    .data-model-card {
        margin-bottom: 1.5rem;
        border-radius: 12px;
    }

    .model-header {
        padding: 1.25rem;
        flex-wrap: wrap;
    }

    .model-info h3 {
        font-size: 1rem;
    }

    .model-desc {
        padding: 1.25rem;
        font-size: 0.85rem;
    }

    .simple-data-table {
        font-size: 0.8rem;
        display: block;
        overflow-x: auto;
    }

    .simple-data-table th,
    .simple-data-table td {
        padding: 0.75rem 1rem;
    }

    /* Changelog */
    .version-card {
        padding-left: 1.5rem;
        margin-bottom: 2rem;
    }

    .version-header h4 {
        font-size: 1.1rem;
    }

    .version-date {
        font-size: 0.8rem;
    }
}

/* Mobile devices - Small */
@media (max-width: 480px) {
    .docs-content {
        padding: 1.5rem 0.25rem;
    }

    .title-bar {
        margin-bottom: 2rem;
    }

    .title-bar h1 {
        font-size: 1.75rem;
        padding: 0 0.5rem;
    }

    .title-bar p {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .section-intro {
        font-size: 0.9rem;
    }

    .flow-step {
        padding: 1rem;
    }

    .module-card {
        padding: 1.5rem;
    }

    .module-icon-wrapper {
        width: 44px;
        height: 44px;
    }

    .module-card h3 {
        font-size: 1.15rem;
    }

    .module-card p {
        font-size: 0.85rem;
    }

    .key-card {
        padding: 1.25rem;
    }

    .k-icon-wrapper {
        width: 48px;
        height: 48px;
    }

    .k-content h3 {
        font-size: 1.1rem;
    }

    .k-content p {
        font-size: 0.85rem;
    }

    .simple-data-table {
        font-size: 0.75rem;
    }

    .simple-data-table th,
    .simple-data-table td {
        padding: 0.6rem 0.75rem;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .title-bar h1 {
        font-size: 1.5rem;
    }

    .title-bar p {
        font-size: 0.85rem;
    }

    .module-card {
        padding: 1.25rem;
    }

    .module-card h3 {
        font-size: 1.05rem;
    }

    .module-card p {
        font-size: 0.8rem;
    }

    .k-content h3 {
        font-size: 1rem;
    }
}

/* System Reference Grid */
.reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.key-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    text-decoration: none;
    transition: all 0.2s;
}

/* System Reference Grid */
.reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.key-card {
    position: relative;
    background: linear-gradient(145deg, rgba(22, 27, 34, 0.6) 0%, rgba(22, 27, 34, 0.9) 100%);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

/* Hover Effects */
.key-card:hover {
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
}

.key-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;

    pointer-events: none;
}

.k-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.k-icon {
    width: 32px;
    height: 32px;
}

.k-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.k-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.k-link {
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.9;
    transition: gap 0.2s;
}

.key-card:hover .k-link {
    gap: 0.8rem;
}

/* --- DATA CARD (Pink) --- */
.data-card .k-icon-wrapper {
    background: linear-gradient(135deg, rgba(244, 114, 182, 0.15), rgba(244, 114, 182, 0.05));
    color: #f472b6;
}

.data-card:hover {
    border-color: rgba(244, 114, 182, 0.4);
}


.data-card .k-link {
    color: #f472b6;
}

/* --- SERVER CARD (Green) --- */
.server-card .k-icon-wrapper {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
    color: #10b981;
}

.server-card:hover {
    border-color: rgba(16, 185, 129, 0.4);
}


.server-card .k-link {
    color: #10b981;
}

/* --- CHANGE CARD (Orange) --- */
.change-card .k-icon-wrapper {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.05));
    color: #f59e0b;
}

.change-card:hover {
    border-color: rgba(245, 158, 11, 0.4);
}


.change-card .k-link {
    color: #f59e0b;
}