/* ============================================================
   Saatgut-Tauschbörse — gemeinsame Stile
   Light-Theme, konsistent mit Saatgut-Archiv Pro.
   ============================================================ */

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

:root {
    --bg-app:        #f7f8f6;
    --bg-card:       #ffffff;
    --bg-muted:      #f1f3ef;
    --bg-input:      #ffffff;
    --bg-accent-soft:#e6f8ec;
    --border-color:  #e4e8e0;
    --border-dark:   #d5dbcf;
    --text-primary:  #1a2418;
    --text-secondary:#5d6b59;
    --text-muted:    #8a9683;
    --accent-green:  #1bc344;
    --accent-green-dark: #169a36;
    --accent-green-darker: #0f7a2a;
    --accent-blue:   #3b82f6;
    --accent-blue-soft: #dbeafe;
    --accent-amber:  #f59e0b;
    --accent-amber-soft: #fef3c7;
    --accent-red:    #dc2626;
    --accent-red-soft:#fee2e2;
    --shadow-sm: 0 1px 3px rgba(20,30,18,0.06);
    --shadow-md: 0 4px 14px rgba(20,30,18,0.08);
    --shadow-lg: 0 20px 60px rgba(20,30,18,0.08);
    --radius: 10px;
    --radius-lg: 14px;
}

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-app);
    color: var(--text-primary);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

h1,h2,h3,h4 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; color: var(--text-primary); }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.3rem, 3vw, 1.8rem); }
h3 { font-size: 1.15rem; }
p  { color: var(--text-secondary); font-size: 1rem; }
a  { color: var(--accent-green-dark); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent-green-darker); }
small { color: var(--text-muted); }

/* ===== Layout ===== */
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ===== Header ===== */
header.boerse-head {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
}
.boerse-head-inner {
    display: flex; justify-content: space-between; align-items: center; gap: 14px;
}
.brand {
    display: flex; align-items: center; gap: 8px;
    font-size: 1.2rem; font-weight: 800; color: var(--text-primary);
    flex-shrink: 0; white-space: nowrap;
}
.brand-icon { font-size: 1.6rem; flex-shrink: 0; }
.brand .accent { color: var(--accent-green-dark); }
.head-sub { color: var(--text-muted); font-size: 0.85rem; margin-left: 6px; white-space: nowrap; }
.head-nav { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.head-nav a {
    padding: 7px 12px; border-radius: 8px;
    font-size: 0.92rem; font-weight: 500; color: var(--text-secondary);
    white-space: nowrap;
}
.head-nav a:hover { color: var(--accent-green-dark); background: var(--bg-accent-soft); }
.head-nav a.active { color: var(--accent-green-darker); background: var(--bg-accent-soft); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 16px; border-radius: 8px;
    font-size: 0.95rem; font-weight: 600;
    border: none; cursor: pointer; transition: all 0.15s;
    font-family: inherit; text-decoration: none;
}
.btn-primary   { background: var(--accent-green); color: #fff; }
.btn-primary:hover   { background: var(--accent-green-dark); color: #fff; }
.btn-secondary { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { border-color: var(--accent-green); color: var(--accent-green-dark); }
.btn-ghost     { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--accent-green-dark); background: var(--bg-accent-soft); }
.btn-danger    { background: var(--accent-red); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn:disabled  { opacity: 0.5; cursor: not-allowed; }
.btn-sm        { padding: 6px 12px; font-size: 0.85rem; }
.btn-lg        { padding: 13px 22px; font-size: 1.05rem; }

/* ===== Forms ===== */
.field { margin-bottom: 14px; }
.field-label {
    display: block; font-size: 0.86rem; font-weight: 600;
    color: var(--text-secondary); margin-bottom: 6px;
}
.field-label .required { color: var(--accent-red); }
.field-input, .field-select, .field-textarea {
    width: 100%; padding: 10px 13px;
    background: var(--bg-input); border: 1px solid var(--border-color);
    border-radius: 8px; color: var(--text-primary);
    font-size: 0.95rem; font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.field-input:focus, .field-select:focus, .field-textarea:focus {
    outline: none; border-color: var(--accent-green);
    box-shadow: 0 0 0 3px var(--bg-accent-soft);
}
.field-textarea { min-height: 100px; resize: vertical; line-height: 1.5; }
.field-hint { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.field-row { display: grid; gap: 14px; }
.field-row.cols-2 { grid-template-columns: 1fr 1fr; }
.field-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 640px) {
    .field-row.cols-2, .field-row.cols-3 { grid-template-columns: 1fr; }
}
.field-checkbox { display: flex; align-items: center; gap: 9px; font-size: 0.92rem; color: var(--text-secondary); }
.field-checkbox input { width: 17px; height: 17px; accent-color: var(--accent-green); }

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 22px;
    box-shadow: var(--shadow-sm);
}

/* ===== Listing Grid (Hauptliste) ===== */
.listings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
    margin-top: 22px;
}
.listing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex; flex-direction: column;
    transition: all 0.15s;
}
.listing-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: inherit;
}
.listing-cover {
    background: var(--bg-muted);
    height: 170px;
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem;
    border-bottom: 1px solid var(--border-color);
}
.listing-cover img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.listing-body { padding: 14px 16px; flex: 1; display: flex; flex-direction: column; }
.listing-plant { color: var(--text-muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }
.listing-title { font-size: 1.05rem; font-weight: 700; margin: 2px 0 6px; color: var(--text-primary); }
.listing-latin { font-size: 0.85rem; color: var(--text-muted); font-style: italic; margin-bottom: 10px; }
.listing-meta {
    display: flex; flex-wrap: wrap; gap: 6px;
    margin-top: auto;
    font-size: 0.78rem;
}
.chip {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 9px; border-radius: 50px;
    background: var(--bg-muted); color: var(--text-secondary);
    font-weight: 500;
}
.chip.ok    { background: var(--bg-accent-soft); color: var(--accent-green-darker); }
.chip.warn  { background: var(--accent-amber-soft); color: #92400e; }
.chip.blue  { background: var(--accent-blue-soft); color: #1e40af; }
.chip.red   { background: var(--accent-red-soft); color: #991b1b; }

/* ===== Filter-Bar ===== */
.filter-bar {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 0.7fr auto;
    gap: 10px; align-items: end;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 16px;
}
.filter-bar .field { margin: 0; }
.filter-bar .field-label { margin-bottom: 4px; font-size: 0.78rem; }
@media (max-width: 900px) {
    .filter-bar { grid-template-columns: 1fr 1fr; }
}

/* ===== Pagination ===== */
.pagination { display: flex; gap: 6px; justify-content: center; margin: 28px 0; }
.pagination a, .pagination span {
    padding: 7px 13px; border-radius: 8px;
    background: var(--bg-card); color: var(--text-secondary);
    border: 1px solid var(--border-color);
    text-decoration: none; font-size: 0.9rem; font-weight: 500;
}
.pagination a:hover { border-color: var(--accent-green); color: var(--accent-green-dark); }
.pagination .current { background: var(--accent-green); color: #fff; border-color: var(--accent-green); }
.pagination .disabled { opacity: 0.4; pointer-events: none; }

/* ===== Hero (auf Listenansicht oben) ===== */
.boerse-hero {
    padding: 30px 0 24px;
    background: radial-gradient(circle at 20% 20%, rgba(27,195,68,0.08), transparent 50%), var(--bg-app);
}
.boerse-hero h1 { margin-bottom: 8px; }
.boerse-hero p { font-size: 1.05rem; max-width: 720px; }
.hero-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 22px; flex-wrap: wrap; }
.hero-stats .stat { display: flex; flex-direction: column; }
.hero-stats .stat-num { font-size: 1.6rem; font-weight: 800; color: var(--accent-green-dark); letter-spacing: -0.03em; }
.hero-stats .stat-lbl { font-size: 0.8rem; color: var(--text-muted); }

/* ===== Empty / Loading ===== */
.empty {
    text-align: center; padding: 60px 20px;
    color: var(--text-secondary);
}
.empty-emoji { font-size: 3rem; margin-bottom: 12px; }
.loading { text-align: center; padding: 40px 0; color: var(--text-muted); }
.spinner {
    width: 28px; height: 28px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-green);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Alerts ===== */
.alert {
    padding: 12px 14px; border-radius: 8px;
    font-size: 0.92rem; margin-bottom: 14px;
    display: none;
}
.alert.show { display: block; }
.alert.alert-success { background: var(--bg-accent-soft); color: var(--accent-green-darker); border: 1px solid rgba(27,195,68,0.25); }
.alert.alert-error   { background: var(--accent-red-soft); color: #991b1b; border: 1px solid rgba(220,38,38,0.2); }
.alert.alert-info    { background: var(--accent-blue-soft); color: #1e40af; border: 1px solid rgba(59,130,246,0.2); }
.alert.alert-warn    { background: var(--accent-amber-soft); color: #92400e; border: 1px solid rgba(245,158,11,0.25); }

/* ===== Detail-View ===== */
.detail-head { display: flex; gap: 28px; margin-bottom: 24px; flex-wrap: wrap; }
.detail-photos { flex: 1 1 380px; min-width: 280px; }
.detail-cover {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--bg-muted);
    border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    font-size: 5rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.detail-cover img { width: 100%; height: 100%; object-fit: cover; }
.detail-thumbs { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.detail-thumb {
    width: 64px; height: 64px;
    border-radius: 8px;
    background: var(--bg-muted);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.15s;
}
.detail-thumb.active { border-color: var(--accent-green); }
.detail-thumb img { width: 100%; height: 100%; object-fit: cover; }

.detail-info { flex: 1 1 380px; min-width: 280px; }
.detail-info h1 { margin-bottom: 4px; }
.detail-info .plant-tag { color: var(--text-muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; }
.detail-info .latin { font-style: italic; color: var(--text-secondary); margin-bottom: 12px; }
.detail-meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px; margin: 20px 0; }
.detail-meta-grid > div .label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; }
.detail-meta-grid > div .value { font-size: 0.95rem; color: var(--text-primary); font-weight: 500; }

/* ===== Footer ===== */
footer.boerse-foot {
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    background: var(--bg-card);
    margin-top: 60px;
}
.foot-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }
.foot-links a { color: var(--text-muted); font-size: 0.86rem; }
.foot-links a:hover { color: var(--accent-green-dark); }
.foot-copy { color: var(--text-muted); font-size: 0.84rem; }

/* ===== Mobile Hamburger ===== */
.menu-toggle {
    display: none;
    background: none; border: none; cursor: pointer;
    padding: 8px; border-radius: 8px;
    -webkit-tap-highlight-color: transparent;
    flex-shrink: 0;
}
.menu-toggle:hover { background: var(--bg-accent-soft); }
.menu-toggle span {
    display: block; width: 22px; height: 2px;
    background: var(--text-primary);
    margin: 4px 0; border-radius: 1px;
    transition: transform 0.2s, opacity 0.2s;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 700px) {
    .menu-toggle { display: block; }
    .brand { font-size: 1.05rem; }
    .brand-icon { font-size: 1.4rem; }
    .head-sub { display: none; }

    .head-nav {
        position: absolute; top: 100%; left: 0; right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(10px);
        flex-direction: column; gap: 2px;
        padding: 14px 20px 18px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 4px 12px rgba(20,30,18,0.06);
        transform: translateY(-12px);
        opacity: 0; pointer-events: none;
        transition: transform 0.2s, opacity 0.2s;
        display: flex;
        justify-content: flex-start;
        flex-wrap: nowrap;
    }
    .head-nav.active { transform: translateY(0); opacity: 1; pointer-events: all; }
    .head-nav a { padding: 12px 14px; font-size: 1rem; border-radius: 8px; width: 100%; }

    .foot-inner { flex-direction: column; text-align: center; align-items: center; gap: 12px; }
    .foot-links { justify-content: center; gap: 10px 18px; }
    .foot-links a { font-size: 0.88rem; }
    .foot-copy { font-size: 0.82rem; }

    /* Hero-Buttons: alle gleich breit, untereinander */
    .hero-actions { flex-direction: column; gap: 8px; }
    .hero-actions .btn,
    .hero-actions .btn-lg {
        width: 100%;
        justify-content: center;
        padding: 12px 18px;
        font-size: 0.98rem;
    }

    /* Hero kompakter */
    .boerse-hero { padding: 22px 0 22px; }
    .boerse-hero p { font-size: 0.98rem; }

    /* Stats: 3-Spalten-Grid statt 2+1-Umbruch */
    .hero-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 14px;
        margin-top: 18px;
        padding: 14px 16px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 12px;
    }
    .hero-stats .stat { align-items: flex-start; }
    .hero-stats .stat-num { font-size: 1.4rem; }
    .hero-stats .stat-lbl { font-size: 0.75rem; line-height: 1.3; }
}

@media (max-width: 480px) {
    .brand { font-size: 0.98rem; }
    .boerse-hero h1 { font-size: 1.6rem; }
    .hero-stats { gap: 8px; padding: 12px; }
    .hero-stats .stat-num { font-size: 1.2rem; }
    .hero-stats .stat-lbl { font-size: 0.7rem; }
}