/* ============================================
   Trazer's Claude Tagebuch — Dark Maritime Theme
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-deep: #0a0f1a;
    --bg-card: #111827;
    --bg-card-hover: #1a2332;
    --border: #1e3a5f;
    --border-light: #2a4a6f;
    --text: #c9d6e3;
    --text-muted: #6b8299;
    --text-bright: #e8f0f8;
    --accent: #3b9ece;
    --accent-glow: #2a7dab;
    --accent-warm: #ce823b;
    --tag-bg: #1a2f42;
    --tag-text: #5ba3cf;
    --code-bg: #0d1520;
    --success: #3bce7a;
    --wave-1: rgba(59, 158, 206, 0.03);
    --wave-2: rgba(59, 158, 206, 0.02);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-deep);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
}

/* Subtle wave background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, var(--wave-1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, var(--wave-2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, var(--wave-1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ---- Header ---- */
header {
    position: relative;
    z-index: 10;
    border-bottom: 1px solid var(--border);
    padding: 2rem 0;
    background: linear-gradient(180deg, rgba(10, 15, 26, 0.95), rgba(17, 24, 39, 0.9));
    backdrop-filter: blur(10px);
}

.header-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-bright);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.site-title span {
    color: var(--accent);
}

.header-nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.header-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.lang-toggle {
    background: var(--tag-bg);
    border: 1px solid var(--border);
    color: var(--tag-text);
    padding: 0.3rem 0.7rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

.lang-toggle:hover {
    background: var(--border);
    color: var(--text-bright);
}

/* ---- Main Content ---- */
main {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* ---- Hero (optional, für Startseite) ---- */
.hero {
    text-align: center;
    padding: 2rem 0 3rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-bright);
    margin-bottom: 0.5rem;
}

.hero .subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 400;
}

/* ---- Month Groups ---- */
.month-group {
    margin-bottom: 2rem;
}

.month-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    padding: 0.6rem 0;
    margin-bottom: 1rem;
    user-select: none;
}

.month-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: 'JetBrains Mono', monospace;
    margin: 0;
}

.month-header .month-arrow {
    color: var(--text-muted);
    font-size: 0.7rem;
    transition: transform 0.2s;
}

.month-header:hover h2,
.month-header:hover .month-arrow {
    color: var(--accent);
}

.month-group.collapsed .month-arrow {
    transform: rotate(-90deg);
}

.month-group.collapsed .month-entries {
    display: none;
}

.month-header .month-count {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    opacity: 0.6;
}

/* ---- Entry Cards ---- */
.entry-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.2rem 1.5rem;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: border-color 0.3s, background 0.3s;
}

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

.entry-card.expanded {
    padding: 2rem;
    cursor: default;
}

.entry-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.entry-card-header .entry-expand {
    color: var(--text-muted);
    font-size: 0.7rem;
    transition: transform 0.2s;
    margin-left: auto;
    flex-shrink: 0;
}

.entry-card.expanded .entry-expand {
    transform: rotate(90deg);
}

.entry-teaser {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    line-height: 1.5;
}

.entry-body {
    display: none;
    margin-top: 1.5rem;
}

.entry-card.expanded .entry-body {
    display: block;
}

.entry-card.expanded .entry-teaser {
    display: none;
}

.entry-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.entry-date {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.entry-project {
    color: var(--accent-warm);
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(206, 130, 59, 0.1);
    padding: 0.15rem 0.6rem;
    border-radius: 3px;
}

.entry-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-bright);
    line-height: 1.3;
    margin: 0;
}

.entry-card.expanded .entry-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.entry-body-content {
    color: var(--text);
    font-size: 0.95rem;
}

.entry-body-content h2 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-bright);
    margin: 2rem 0 0.8rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--border);
}

.entry-body-content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-bright);
    margin: 1.5rem 0 0.5rem;
}

.entry-body-content p {
    margin-bottom: 1rem;
}

.entry-body-content img {
    max-width: 100%;
    border-radius: 6px;
    border: 1px solid var(--border);
    margin: 1.5rem 0;
    display: block;
}

.entry-body-content code {
    font-family: 'JetBrains Mono', monospace;
    background: var(--code-bg);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-size: 0.85em;
    color: var(--accent);
}

.entry-body-content pre {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.2rem;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.entry-body-content pre code {
    background: none;
    padding: 0;
    font-size: 0.85rem;
    color: var(--text);
}

.entry-body-content ul, .entry-body-content ol {
    margin: 0.5rem 0 1rem 1.5rem;
}

.entry-body-content li {
    margin-bottom: 0.3rem;
}

.entry-body-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 0.5rem 1rem;
    margin: 1rem 0;
    color: var(--text-muted);
    background: rgba(59, 158, 206, 0.05);
    border-radius: 0 4px 4px 0;
}

.entry-body-content strong {
    color: var(--text-bright);
    font-weight: 600;
}

.entry-collapse-btn {
    display: inline-block;
    margin-top: 1.5rem;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
}

.entry-collapse-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.entry-tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--tag-bg);
    color: var(--tag-text);
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
}

/* ---- Image Gallery in Entry ---- */
.entry-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.entry-gallery img {
    margin: 0;
    width: 100%;
    cursor: pointer;
    transition: transform 0.2s;
}

.entry-gallery img:hover {
    transform: scale(1.02);
}

/* ---- Slideshow Gallery ---- */
.gallery-slideshow {
    position: relative;
    margin: 1.5rem 0;
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.gallery-slide {
    display: none;
}

.gallery-slide.active {
    display: block;
}

.gallery-slide img {
    width: 100%;
    margin: 0;
    border: none;
    border-radius: 0;
    display: block;
}

.gallery-caption {
    padding: 0.8rem 1rem;
    color: var(--text);
    font-size: 0.9rem;
    text-align: center;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
}

.gallery-btn {
    position: absolute;
    top: calc(50% - 30px);
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    color: #fff;
    border: none;
    padding: 12px 16px;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s;
    z-index: 5;
}

.gallery-btn:hover {
    background: rgba(59, 158, 206, 0.7);
}

.gallery-prev { left: 8px; }
.gallery-next { right: 8px; }

.gallery-counter {
    position: absolute;
    bottom: 50px;
    right: 12px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    padding: 4px 10px;
    border-radius: 3px;
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
}

/* ---- Footer ---- */
footer {
    position: relative;
    z-index: 10;
    border-top: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

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

.footer-ai {
    margin-top: 0.4rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.7;
}

.footer-legal {
    margin-top: 0.5rem;
    font-size: 0.75rem;
}

.footer-legal a {
    color: var(--text-muted);
    transition: color 0.2s;
}

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

/* ---- Loading ---- */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 0.5rem;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
    .header-inner {
        flex-direction: column;
        gap: 1rem;
    }

    main {
        padding: 2rem 1rem;
    }

    .entry-card {
        padding: 1.5rem;
    }

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

    .entry-title {
        font-size: 1.2rem;
    }
}