/* ============================================
   GUIDE PAGE STYLES
   Nutzt Landing-Page CSS-Variablen
   ============================================ */

:root {
    color-scheme: dark;
    --bg-dark: #1a1a2e;
    --bg-panel: #16213e;
    --bg-card: #1f2a48;
    --bg-card-hover: #2a3a5a;
    --border-color: #2a2a4e;
    --text-primary: #e0e0e0;
    --text-secondary: #888;
    --accent-color: #4a90d9;
    --accent-hover: #5ba0e9;
    --gold-color: #d4af37;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* ============================================
   HEADER
   ============================================ */

#guide-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 30px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#guide-header h1 {
    flex: 1;
    font-size: 1.4rem;
    color: var(--gold-color);
    text-align: center;
    letter-spacing: 1px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--glass-bg);
    transition: all 0.25s ease;
    white-space: nowrap;
}

.back-link:hover {
    color: var(--text-primary);
    border-color: var(--accent-color);
    background: rgba(74, 144, 217, 0.1);
}

.back-link::before {
    content: '\2190';
    font-size: 1.1rem;
}

#lang-switcher {
    flex-shrink: 0;
}

/* ============================================
   MAIN LAYOUT
   ============================================ */

#guide-main {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 70px);
}

/* ============================================
   TOC SIDEBAR
   ============================================ */

#guide-toc {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: 70px;
    height: calc(100vh - 70px);
    overflow-y: auto;
    padding: 25px 20px;
    background: rgba(22, 33, 62, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-right: 1px solid var(--glass-border);
}

.toc-toggle {
    display: none;
    width: 100%;
    padding: 12px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    align-items: center;
    justify-content: space-between;
}

.toc-toggle .chevron {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.toc-toggle.open .chevron {
    transform: rotate(180deg);
}

#toc-nav {
    list-style: none;
}

#toc-nav a {
    display: block;
    padding: 8px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    border-left: 2px solid transparent;
}

#toc-nav a:hover {
    color: var(--text-primary);
    background: rgba(74, 144, 217, 0.1);
    border-left-color: var(--accent-color);
}

#toc-nav a.active {
    color: var(--gold-color);
    background: rgba(212, 175, 55, 0.1);
    border-left-color: var(--gold-color);
    font-weight: 600;
}

#toc-nav a.toc-h1 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gold-color);
    margin-top: 10px;
    padding-left: 12px;
}

#toc-nav a.toc-h2 {
    font-weight: 600;
    margin-top: 12px;
    padding-left: 12px;
}

#toc-nav a.toc-h3 {
    padding-left: 24px;
    font-size: 0.85rem;
}

/* ============================================
   CONTENT AREA
   ============================================ */

#guide-content {
    flex: 1;
    padding: 40px 50px;
    max-width: 900px;
    min-width: 0;
}

#guide-loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Typography */

#guide-content h1 {
    font-size: 2.2rem;
    color: var(--gold-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gold-color);
    letter-spacing: 1px;
}

#guide-content h2 {
    font-size: 1.6rem;
    color: var(--gold-color);
    margin-top: 50px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

#guide-content h3 {
    font-size: 1.25rem;
    color: var(--accent-color);
    margin-top: 35px;
    margin-bottom: 15px;
}

#guide-content h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-top: 25px;
    margin-bottom: 10px;
}

#guide-content h5 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 20px;
    margin-bottom: 8px;
}

#guide-content p {
    margin-bottom: 12px;
    line-height: 1.7;
}

#guide-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

#guide-content em {
    color: var(--text-secondary);
    font-style: italic;
}

/* Lists */

#guide-content ul,
#guide-content ol {
    margin-bottom: 15px;
    padding-left: 25px;
}

#guide-content li {
    margin-bottom: 6px;
    line-height: 1.6;
}

#guide-content li strong {
    color: var(--accent-color);
}

/* Blockquotes */

#guide-content blockquote {
    margin: 20px 0;
    padding: 15px 20px;
    border-left: 4px solid var(--gold-color);
    background: rgba(212, 175, 55, 0.08);
    border-radius: 0 8px 8px 0;
    color: var(--text-secondary);
    font-style: italic;
}

/* Code */

#guide-content code {
    background: rgba(74, 144, 217, 0.15);
    color: var(--accent-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

#guide-content pre {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    overflow-x: auto;
    margin: 15px 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

#guide-content pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
}

/* Tables */

#guide-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    background: rgba(31, 42, 72, 0.4);
    border-radius: 8px;
    overflow: hidden;
}

#guide-content thead {
    background: rgba(74, 144, 217, 0.15);
}

#guide-content th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--accent-color);
    border-bottom: 2px solid var(--border-color);
    font-size: 0.9rem;
}

#guide-content td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

#guide-content tr:last-child td {
    border-bottom: none;
}

#guide-content tr:hover td {
    background: rgba(74, 144, 217, 0.05);
}

/* Horizontal Rule */

#guide-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 40px 0;
}

/* Section anchors */

.section-anchor {
    scroll-margin-top: 90px;
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-dark);
}

/* ============================================
   LANGUAGE SELECTOR (gleicher Stil wie Landing)
   ============================================ */

.language-selector {
    display: flex;
    gap: 8px;
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border: none;
    border-radius: 4px;
    background: transparent;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.2s ease, transform 0.15s ease;
}

.lang-btn:hover {
    opacity: 0.8;
    transform: scale(1.1);
}

.lang-btn.active {
    opacity: 1;
}

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

@media (max-width: 900px) {
    #guide-header {
        flex-wrap: wrap;
        padding: 15px 20px;
        gap: 10px;
    }

    #guide-header h1 {
        order: -1;
        width: 100%;
        font-size: 1.2rem;
        text-align: center;
    }

    .back-link {
        font-size: 0.85rem;
        padding: 6px 12px;
    }

    #guide-main {
        flex-direction: column;
    }

    #guide-toc {
        width: 100%;
        position: relative;
        top: 0;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
        padding: 15px 20px;
    }

    .toc-toggle {
        display: flex;
    }

    #toc-nav {
        display: none;
        padding-top: 15px;
    }

    #toc-nav.open {
        display: block;
    }

    #guide-content {
        padding: 25px 20px;
    }

    #guide-content h1 {
        font-size: 1.6rem;
    }

    #guide-content h2 {
        font-size: 1.3rem;
        margin-top: 35px;
    }

    #guide-content h3 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    #guide-content {
        padding: 20px 15px;
    }

    #guide-content table {
        font-size: 0.8rem;
    }

    #guide-content th,
    #guide-content td {
        padding: 8px 10px;
    }
}