/* ============================================================
   style.css – AquilaVT Postkarten System
   ============================================================ */

:root {
    --bg:        #0f0f13;
    --bg2:       #17171f;
    --bg3:       #1e1e2a;
    --border:    #2c2c3e;
    --accent:    #9b5cf6;
    --accent2:   #7c3aed;
    --text:      #e8e8f0;
    --muted:     #6b6b8a;
    --success:   #22c55e;
    --error:     #ef4444;
    --twitch:    #9146ff;
    --radius:    12px;
    --radius-sm: 8px;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Header ── */
.site-header {
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    max-width: 960px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    font-family: 'Syne', sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.5px;
}
.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}
.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--accent);
}

/* ── Main ── */
.main {
    flex: 1;
    max-width: 960px;
    margin: 40px auto;
    padding: 0 24px;
    width: 100%;
}

/* ── Cards ── */
.card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
}
.center-card {
    max-width: 480px;
    margin: 0 auto;
    text-align: center;
}
.card-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    display: block;
}
.card h1 {
    font-family: 'Syne', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
}
.card p {
    color: var(--muted);
    margin-bottom: 12px;
}
.success-card { border-color: var(--success); }

/* ── Sections ── */
.section {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
}
.section h2 {
    font-family: 'Syne', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--accent);
}

/* ── Postcard Grid ── */
.postcard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}
.postcard-card {
    cursor: pointer;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s, transform 0.15s;
    background: var(--bg3);
}
.postcard-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.postcard-card.selected { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(155,92,246,0.25); }
.postcard-card input[type=radio] { display: none; }
.postcard-img-wrap {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--bg);
}
.postcard-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.postcard-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: white;
    opacity: 0;
    transition: opacity 0.2s;
}
.postcard-card.selected .postcard-check { opacity: 1; }
.postcard-name {
    padding: 10px 12px 4px;
    font-weight: 600;
    font-size: 0.9rem;
}
.postcard-desc {
    padding: 0 12px 10px;
    font-size: 0.8rem;
    color: var(--muted);
}

/* ── Form ── */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 0.85rem; font-weight: 500; color: var(--muted); }
.form-group input,
.form-group select {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 10px 14px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
    outline: none;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--accent); }
.form-group select option { background: var(--bg3); }

/* ── Buttons ── */
.btn-twitch {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--twitch);
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: 8px;
    transition: background 0.2s, transform 0.1s;
}
.btn-twitch:hover { background: #7c3aed; transform: translateY(-1px); }

.btn-submit {
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    width: 100%;
}
.btn-submit:hover:not(:disabled) { background: var(--accent2); transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-sm {
    background: var(--bg3);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.2s;
}
.btn-sm:hover { border-color: var(--accent); color: var(--accent); }

/* ── Alert ── */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}
.alert-error   { background: rgba(239,68,68,0.12);  border: 1px solid rgba(239,68,68,0.4);  color: #fca5a5; }
.alert-success { background: rgba(34,197,94,0.12);  border: 1px solid rgba(34,197,94,0.4);  color: #86efac; }

/* ── Misc ── */
.muted { color: var(--muted) !important; font-size: 0.9rem; }

/* ── Footer ── */
.site-footer {
    text-align: center;
    padding: 24px;
    font-size: 0.85rem;
    color: var(--muted);
    border-top: 1px solid var(--border);
}
.site-footer a { color: var(--accent); text-decoration: none; }

/* ── Admin ── */
.admin-nav {
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
}
.admin-nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}
.admin-nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
}
.admin-nav a:hover, .admin-nav a.active { background: var(--bg3); color: var(--accent); }
.admin-nav .spacer { flex: 1; }

.admin-main {
    max-width: 1100px;
    margin: 32px auto;
    padding: 0 24px;
}
.admin-main h1 {
    font-family: 'Syne', sans-serif;
    font-size: 1.6rem;
    margin-bottom: 24px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg2);
    border-radius: var(--radius);
    overflow: hidden;
    font-size: 0.9rem;
}
th {
    text-align: left;
    padding: 12px 16px;
    background: var(--bg3);
    color: var(--muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}
td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg3); }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
}
.badge-open   { background: rgba(251,191,36,0.15); color: #fbbf24; }
.badge-sent   { background: rgba(34,197,94,0.15);  color: #22c55e; }
.badge-active { background: rgba(155,92,246,0.15); color: var(--accent); }
.badge-off    { background: rgba(107,107,138,0.15); color: var(--muted); }

.postcard-thumb { width: 60px; height: 45px; object-fit: cover; border-radius: 6px; }

.postcard-card.sold-out { opacity: 0.6; cursor: not-allowed; }
.postcard-card.sold-out:hover { transform: none; border-color: var(--border); }
.postcard-soldout {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: #fff;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* ── Tabs ── */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 24px;
}
.tab-btn {
    background: none;
    border: none;
    color: var(--muted);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Sold out ── */
    .form-grid { grid-template-columns: 1fr; }
    .form-group.full { grid-column: auto; }
    .postcard-grid { grid-template-columns: repeat(2, 1fr); }
}