/* ========================================
   Notion-inspired Theme for The Ultimate Analysis System
   Clean, elegant, and focused on readability
   ======================================== */

:root {
    /* Dark Theme Colors - Inspired by Notion Dark Mode */
    --bg: #191919;
    --bg-soft: #202020;
    --panel: #252525;
    --panel-2: #2c2c2c;
    --panel-3: #1f1f1f;
    --text: #ffffff;
    --text-secondary: #9b9b9b;
    --muted: #787774;
    --accent: #2eaadc;
    --accent-2: #529cca;
    --accent-hover: #4d9fc7;
    --warning: #ffa344;
    --danger: #eb5757;
    --success: #6dd400;
    --border: #37352f;
    --border-light: #4a4845;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --radius-lg: 6px;
    --radius-md: 4px;
    --radius-sm: 3px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

/* ========================================
   Notion Theme Base (from mhhung/notion-theme)
   ======================================== */
body.notion-theme {
    -webkit-font-smoothing: antialiased;
    font-weight: 400;
    font-family:
        Source Sans Pro,
        Roboto,
        Helvetica,
        "Helvetica Neue",
        "Source Han Sans SC",
        "Source Han Sans TC",
        "PingFang SC",
        "PingFang HK",
        "PingFang TC",
        sans-serif;
}

#theme-typography {
    --primary-color: #2e405b;
    background-color: var(--bg);
    color: var(--text);
    background-size: 7px 7px;
    text-shadow: 1px 1px 1px rgb(0 0 0 / 0.04);
    background-image: linear-gradient(
            to right,
            rgb(0 0 0 / 0.04) 1px,
            transparent 1px
        ),
        linear-gradient(to bottom, rgb(0 0 0 / 0.04) 1px, transparent 1px);
}

body.theme-dark#theme-typography {
    background-image: linear-gradient(
            to right,
            rgb(255 255 255 / 0.04) 1px,
            transparent 1px
        ),
        linear-gradient(to bottom, rgb(255 255 255 / 0.04) 1px, transparent 1px);
}

.forbid-copy {
    user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}

body.theme-light {
    /* Light Theme Colors - Inspired by Notion Light Mode */
    --bg: #ffffff;
    --bg-soft: #f7f6f3;
    --panel: #ffffff;
    --panel-2: #f7f6f3;
    --panel-3: #fafaf9;
    --text: #37352f;
    --text-secondary: #787774;
    --muted: #9b9a97;
    --accent: #0b6e99;
    --accent-2: #116a94;
    --accent-hover: #0e7090;
    --warning: #d9730d;
    --danger: #e03e3e;
    --success: #448361;
    --border: #e9e9e7;
    --border-light: #d3d1cb;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s ease;
    cursor: pointer;
}

a:hover {
    color: var(--accent-hover);
}

/* ========================================
   Layout
   ======================================== */

.page-shell,
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 56px 48px;
}

/* ========================================
   Navigation Bar
   ======================================== */

.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
    background: rgba(25, 25, 25, 0.95);
}

body.theme-light .top-nav {
    background: rgba(255, 255, 255, 0.95);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 16px 0 8px;
    padding: 8px 0;
    font-size: 0.875rem;
    color: var(--muted);
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: color 0.15s ease;
}

.breadcrumb a:hover {
    color: var(--text);
}

.breadcrumb .separator {
    color: var(--muted);
    user-select: none;
}

.breadcrumb .current {
    color: var(--text);
    font-weight: 500;
}

.nav-brand,
.nav-home {
    font-weight: 600;
    color: var(--text);
    font-size: 0.95rem;
}

.nav-links {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

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

.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--panel-2);
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 1rem;
}

.menu-toggle:hover {
    background: var(--panel-3);
}

.nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(1px);
    z-index: 40;
}

body.nav-open .nav-backdrop {
    display: block;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.theme-toggle:hover {
    background: var(--panel-2);
    color: var(--text);
}

.nav-link {
    color: var(--text-secondary);
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
    font-size: 0.875rem;
}

.nav-link:hover {
    color: var(--text);
    background: var(--panel-2);
}

.nav-link.active {
    color: var(--text);
    background: var(--panel-2);
}

/* ========================================
   Header / Hero
   ======================================== */

header:not(.report-hero) {
    text-align: center;
    padding: 48px 20px;
    background: var(--bg);
}

header:not(.report-hero) h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.subtitle,
.update-time {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.report-hero {
    margin: 48px 0 32px;
    padding: 0;
    background: transparent;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 600;
}

.report-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.2;
}

.hero-note {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 16px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--panel-2);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    border: 1px solid var(--border);
}

.pill-ghost {
    background: transparent;
    border-color: var(--border);
}

.pill-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--success);
}

/* ========================================
   Main Content Layout
   ======================================== */

.page-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 32px;
    align-items: start;
}

.page-layout.no-toc {
    display: block;
}

.page-layout.no-toc .content {
    padding-top: 32px;
}

.content {
    background: transparent;
    padding: 48px 0;
    min-height: 600px;
}

/* ========================================
   Typography
   ======================================== */

.content h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 48px;
    margin-bottom: 12px;
    line-height: 1.3;
}

.page-layout .content h2:first-of-type {
    margin-top: 0;
}

.content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 8px;
    line-height: 1.3;
}

.content h4 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 8px;
    line-height: 1.3;
}

.content p {
    margin-bottom: 12px;
    color: var(--text);
    line-height: 1.6;
}

.content ul,
.content ol {
    margin: 12px 0;
    padding-left: 26px;
    color: var(--text);
}

.content li {
    margin-bottom: 4px;
    line-height: 1.6;
}

.content blockquote {
    border-left: 3px solid var(--border-light);
    padding: 12px 16px;
    margin: 16px 0;
    color: var(--text);
    background: var(--panel-2);
}

.content hr {
    border: none;
    border-bottom: 1px solid var(--border);
    margin: 32px 0;
}

/* ========================================
   Code Blocks
   ======================================== */

.content code {
    background: var(--panel-2);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent);
    border: 1px solid var(--border);
}

.content pre {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    overflow-x: auto;
    margin: 16px 0;
    line-height: 1.5;
}

.content pre code {
    background: transparent;
    padding: 0;
    color: var(--text);
    border: none;
    font-size: 0.875rem;
}

/* ========================================
   Tables
   ======================================== */

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    margin: 16px 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.table-wrapper table {
    width: 100%;
    border-collapse: collapse;
}

.table-wrapper th,
.table-wrapper td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.875rem;
}

.table-wrapper th {
    background: var(--panel-2);
    font-weight: 600;
    color: var(--text);
}

.table-wrapper td {
    color: var(--text);
}

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

.table-wrapper tr:hover {
    background: var(--panel-3);
}

/* ========================================
   Status Colors
   ======================================== */

.status-positive {
    color: var(--success);
    font-weight: 600;
}

.status-negative {
    color: var(--danger);
    font-weight: 600;
}

.status-neutral {
    color: var(--warning);
    font-weight: 600;
}

/* ========================================
   Table of Contents (TOC)
   ======================================== */

.toc-wrapper {
    position: relative;
}

.toc-sidebar {
    position: sticky;
    top: 80px;
    background: var(--panel);
    padding: 8px;
    border-radius: var(--radius-md);
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.toc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px;
    margin-bottom: 4px;
}

.toc-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.toc-toggle {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.toc-toggle:hover {
    background: var(--panel-2);
}

.toc-list {
    list-style: none;
    padding: 0;
}

.toc-item {
    margin: 2px 0;
}

.toc-item.level-2 .toc-link {
    padding-left: 12px;
}

.toc-item.level-3 .toc-link {
    padding-left: 24px;
    font-size: 0.8125rem;
}

.toc-item.level-4 .toc-link {
    padding-left: 36px;
    font-size: 0.8125rem;
}

.toc-link {
    display: block;
    padding: 4px 8px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.toc-link:hover {
    color: var(--text);
    background: var(--panel-2);
}

.toc-link.active {
    color: var(--accent);
    background: var(--panel-2);
}

.toc-overlay {
    display: none;
}

.toc-mobile-toggle {
    display: none;
}

/* ========================================
   Back to Top Button
   ======================================== */

.back-to-top {
    position: fixed;
    right: 32px;
    bottom: 32px;
    background: var(--panel);
    color: var(--text);
    border: 1px solid var(--border);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.15s ease;
}

.back-to-top:hover {
    background: var(--panel-2);
    border-color: var(--border-light);
}

.back-to-top.visible {
    display: flex;
}

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

footer {
    text-align: center;
    padding: 24px 0;
    color: var(--text-secondary);
    margin-top: 48px;
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
}

/* ========================================
   Cards
   ======================================== */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.15s ease;
    cursor: pointer;
}

.card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-sm);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.card h2 {
    margin-bottom: 8px;
    font-size: 1.25rem;
    font-weight: 600;
}

.card p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 0.9375rem;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 12px;
}

.badge {
    background: var(--panel-2);
    color: var(--text);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.8125rem;
    border: 1px solid var(--border);
}

.date {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

/* ========================================
   Info Sections
   ======================================== */

.info-section {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 24px;
}

.info-section h3 {
    margin-bottom: 12px;
    font-size: 1.125rem;
    font-weight: 600;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.feature {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
}

.feature h4 {
    color: var(--accent);
    margin-bottom: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
}

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

.disclaimer {
    margin-top: 24px;
    background: rgba(255, 163, 68, 0.1);
    border: 1px solid rgba(255, 163, 68, 0.3);
    border-radius: var(--radius-md);
    padding: 16px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ========================================
   Smooth Scrolling
   ======================================== */

html {
    scroll-behavior: smooth;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .page-shell,
    .container {
        padding: 24px 48px 36px;
    }

    .page-layout {
        grid-template-columns: 1fr;
    }

    .toc-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .page-shell,
    .container {
        padding: 20px 20px 32px;
    }

    .top-nav {
        flex-wrap: nowrap;
        align-items: center;
        gap: 10px;
        padding: 10px 14px;
    }

    .nav-brand {
        flex: 1 1 auto;
        font-size: 0.95rem;
    }

    .nav-actions {
        gap: 6px;
        margin-left: auto;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 78%;
        max-width: 320px;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        padding: 80px 16px 24px;
        background: var(--panel-2);
        box-shadow: var(--shadow-lg);
        border-right: 1px solid var(--border);
        transform: translateX(-100%);
        transition: transform 0.24s ease;
        z-index: 60;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    body:not(.nav-ready) .nav-links {
        position: static;
        transform: none;
        height: auto;
        width: 100%;
        max-width: none;
        flex-direction: row;
        align-items: center;
        gap: 8px;
        padding: 6px 0 2px;
        border: 0;
        box-shadow: none;
        background: transparent;
        overflow: visible;
    }

    .nav-link {
        width: 100%;
        white-space: nowrap;
        padding: 8px 12px;
        border: 1px solid transparent;
    }

    .menu-toggle {
        display: inline-flex;
    }

    body.nav-open {
        overflow: hidden;
    }

    body.nav-open .nav-links {
        transform: translateX(0);
    }

    .report-hero h1 {
        font-size: 2rem;
    }

    .content {
        padding: 32px 0;
    }

    .content h1 {
        font-size: 1.75rem;
    }

    .content h2 {
        font-size: 1.375rem;
    }

    .back-to-top {
        right: 20px;
        bottom: 20px;
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 640px) {
    .page-shell,
    .container {
        padding: 16px;
    }

    header h1 {
        font-size: 1.75rem;
    }

    .report-hero h1 {
        font-size: 1.75rem;
    }

    .content h1 {
        font-size: 1.5rem;
    }

    .content h2 {
        font-size: 1.25rem;
    }

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