:root {
    --bg: #eef2f5;
    --bg-deep: #dfe7ee;
    --ink: #102431;
    --muted: #5b6b76;
    --brand: #0f766e;
    --brand-2: #115e59;
    --accent: #c2410c;
    --danger: #b91c1c;
    --ok: #047857;
    --warn: #b45309;
    --surface: #ffffff;
    --surface-2: #f7fafc;
    --line: rgba(16, 36, 49, 0.12);
    --radius: 16px;
    --radius-sm: 10px;
    --font-display: "Shippori Mincho", "Noto Serif TC", serif;
    --font-body: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    font-family: var(--font-body);
    background:
        radial-gradient(ellipse 80% 50% at 10% -10%, rgba(15, 118, 110, 0.16), transparent 55%),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(194, 65, 12, 0.08), transparent 45%),
        linear-gradient(180deg, var(--bg), var(--bg-deep));
    background-attachment: fixed;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-2); text-decoration: underline; }

.container {
    width: min(860px, calc(100% - 2rem));
    margin: 0 auto;
}

/* ---------- Front header ---------- */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.4rem 0 0.6rem;
    animation: rise 0.6s var(--ease) both;
}

.brand {
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 3vw, 1.7rem);
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 0.06em;
    text-decoration: none;
}

.brand:hover { text-decoration: none; color: var(--brand); }

.nav {
    display: flex;
    gap: 0.85rem;
    flex-wrap: wrap;
    align-items: center;
    font-size: 0.95rem;
}

.nav a { color: var(--muted); font-weight: 600; }
.nav a:hover { color: var(--ink); text-decoration: none; }

.site-footer {
    padding: 2rem 0 2.5rem;
    color: var(--muted);
    font-size: 0.88rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.site-footer a { color: var(--muted); }

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    align-items: center;
}

.legal-doc h2 {
    margin: 1.35rem 0 0.5rem;
    font-size: 1.05rem;
}
.legal-doc h2:first-child { margin-top: 0; }
.legal-doc p, .legal-doc li { line-height: 1.7; color: var(--ink); }
.legal-doc ul, .legal-doc ol { padding-left: 1.25rem; margin: 0.4rem 0 0.8rem; }

/* ---------- Motion ---------- */
@keyframes rise {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fade {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hero, .panel, .compose {
    animation: rise 0.7s var(--ease) both;
}

.compose { animation-delay: 0.08s; }

/* ---------- Front compose ---------- */
.page-hero {
    padding: 1.5rem 0 0.5rem;
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 2.75rem);
    line-height: 1.25;
    margin: 0 0 0.75rem;
    letter-spacing: 0.04em;
}

.page-hero .lead {
    margin: 0;
    max-width: 36rem;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.75;
}

.compose {
    margin: 1.25rem 0 1.5rem;
    padding: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.compose-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    color: var(--muted);
    font-size: 0.92rem;
}

.char-count.is-warn { color: var(--warn); font-weight: 700; }
.char-count.is-full { color: var(--danger); font-weight: 700; }

.compose-grid {
    display: grid;
    grid-template-columns: 1fr 140px;
    gap: 1rem;
}

@media (max-width: 640px) {
    .compose-grid { grid-template-columns: 1fr; }
}

.image-picker {
    border: 1px dashed var(--line);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    background: var(--surface-2);
    min-height: 120px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    justify-content: center;
}

.image-picker img {
    width: 100%;
    max-height: 140px;
    object-fit: cover;
    border-radius: 8px;
    display: none;
}

.image-picker.has-image img { display: block; }
.image-picker.has-image .image-picker-label { display: none; }

.image-picker-label {
    font-size: 0.88rem;
    color: var(--muted);
    text-align: center;
}

label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.45rem;
    font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    font: inherit;
    background: #fff;
    color: var(--ink);
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: rgba(15, 118, 110, 0.55);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

textarea {
    min-height: 180px;
    resize: vertical;
    line-height: 1.65;
}

.form-group { margin-bottom: 1.15rem; }
.hint, .muted, .lead { color: var(--muted); }
.hint { font-size: 0.88rem; margin: 0.4rem 0 0; }

.checkbox {
    display: flex;
    gap: 0.65rem;
    align-items: flex-start;
    font-weight: 400;
    line-height: 1.55;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border: 0;
    border-radius: 12px;
    padding: 0.85rem 1.3rem;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    background: var(--brand);
    color: #fff;
    transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}

.btn:hover {
    background: var(--brand-2);
    text-decoration: none;
    transform: translateY(-1px);
}

.btn:active { transform: translateY(0); }
.btn-secondary { background: #334155; }
.btn-secondary:hover { background: #1e293b; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #991b1b; }
.btn-ghost {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--line);
}
.btn-ghost:hover { background: var(--surface-2); }
.btn-block { width: 100%; }
.btn-sm { padding: 0.45rem 0.8rem; font-size: 0.88rem; border-radius: 8px; }

.actions { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }

.tag-input { max-width: 160px; }

.alert {
    border-radius: var(--radius-sm);
    padding: 0.95rem 1.1rem;
    margin-bottom: 1rem;
    animation: fade 0.35s var(--ease) both;
    border: 1px solid transparent;
}

.alert-ok { background: #ecfdf5; color: var(--ok); border-color: #a7f3d0; }
.alert-error { background: #fef2f2; color: var(--danger); border-color: #fecaca; }
.errors { color: var(--danger); margin: 0 0 1rem; padding-left: 1.1rem; }

.panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.panel h1, .panel h2, .hero h1 {
    font-family: var(--font-display);
    margin: 0 0 0.85rem;
    letter-spacing: 0.03em;
}

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

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.85rem;
}

.stat {
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 1rem 1.1rem;
    transition: transform 0.25s var(--ease);
}

.stat:hover { transform: translateY(-2px); }
.stat a { color: inherit; text-decoration: none; display: block; }
.stat a:hover { text-decoration: none; }
.stat strong {
    display: block;
    font-size: 1.85rem;
    font-family: var(--font-display);
    margin-top: 0.2rem;
}
.stat-pending strong { color: var(--warn); }
.stat-failed strong { color: var(--accent); }

.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
}

th, td {
    padding: 0.85rem 0.7rem;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--surface-2);
    font-size: 0.88rem;
    color: var(--muted);
    font-weight: 700;
}

.badge {
    display: inline-block;
    border-radius: 8px;
    padding: 0.18rem 0.55rem;
    font-size: 0.82rem;
    font-weight: 700;
    background: #e2e8f0;
    color: #334155;
}

.badge-pending_ai { background: #cffafe; color: #0e7490; }
.badge-pending_review { background: #ffedd5; color: #9a3412; }
.badge-scheduled { background: #e0e7ff; color: #3730a3; }
.badge-published { background: #d1fae5; color: #065f46; }
.badge-rejected { background: #fee2e2; color: #991b1b; }
.badge-publish_failed { background: #ffedd5; color: #9a3412; }

.badge-track-reviewing { background: #ffedd5; color: #9a3412; }
.badge-track-approved_scheduled { background: #e0e7ff; color: #3730a3; }
.badge-track-published { background: #d1fae5; color: #065f46; }
.badge-track-rejected { background: #fee2e2; color: #991b1b; }
.badge-track-deleted { background: #e2e8f0; color: #475569; }
.badge-track-delete_failed { background: #fee2e2; color: #991b1b; }

.track-result .track-status {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem 1rem;
    margin-bottom: 1rem;
}
.track-code {
    letter-spacing: 0.1em;
    font-size: 1.05rem;
}

.hidden-form { display: none; }

.pre {
    white-space: pre-wrap;
    word-break: break-word;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
    padding: 1rem;
    border: 1px solid var(--line);
    line-height: 1.65;
}

.queue-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
}
.queue-item:last-child { border-bottom: 0; }

.search-bar {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}
.search-bar input[type="search"],
.search-bar input[type="text"] {
    flex: 1;
    min-width: 180px;
}

/* ---------- Admin shell ---------- */
body.admin-shell {
    background: #0f1c24;
}

.admin-frame {
    display: grid;
    grid-template-columns: 230px 1fr;
    min-height: 100vh;
}

.admin-side {
    background: #102431;
    color: #dbe7ef;
    padding: 1.4rem 1rem;
    border-right: 1px solid rgba(255,255,255,0.06);
}

.admin-side .brand {
    color: #fff;
    display: block;
    margin-bottom: 0;
    padding: 0 0.5rem;
    font-size: 1.2rem;
}

.admin-side nav.admin-nav-scroll {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-top: 1rem;
}

.admin-side a {
    color: #9fb3c1;
    text-decoration: none;
    padding: 0.7rem 0.85rem;
    border-radius: 10px;
    font-weight: 600;
}

.admin-side a:hover,
.admin-side a.is-active {
    background: rgba(15, 118, 110, 0.25);
    color: #fff;
    text-decoration: none;
}

.admin-side .side-foot {
    margin-top: 2rem;
    padding: 0 0.5rem;
}

.admin-side-tools {
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.admin-menu-toggle {
    display: none;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255,255,255,0.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 10px;
    padding: 0.45rem 0.7rem;
    font: inherit;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    min-height: 40px;
}
.admin-menu-toggle:hover { background: rgba(255,255,255,0.14); }

.admin-menu-toggle-bars {
    width: 16px;
    height: 12px;
    display: inline-block;
    position: relative;
    border-top: 2px solid #fff;
    border-bottom: 2px solid #fff;
}
.admin-menu-toggle-bars::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 2px;
    margin-top: -1px;
    background: #fff;
}

.admin-nav-logout { display: none; margin-top: 0.35rem; }

.admin-main {
    background:
        radial-gradient(ellipse 50% 30% at 100% 0%, rgba(15, 118, 110, 0.12), transparent 50%),
        #eef2f5;
    padding: 1.25rem 1.5rem 2rem;
}

.admin-main .container {
    width: min(1080px, 100%);
    margin: 0;
}

.admin-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
}

.admin-top h1 {
    font-family: var(--font-display);
    font-size: 1.55rem;
    margin: 0;
}

.login-wrap {
    min-height: 70vh;
    display: grid;
    place-items: center;
}

.login-card {
    width: min(420px, 100%);
}

/* Posts list: desktop table / mobile cards */
.posts-card-mobile { display: none; }
.batch-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 1rem;
    align-items: center;
}
.batch-reason { max-width: 220px; flex: 1 1 160px; }
.admin-search select { width: auto; min-width: 140px; }
.search-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.admin-pager { margin-top: 1rem; overflow-x: auto; }

.admin-side-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}
.admin-side-head .brand { margin-bottom: 0; }
.admin-logout-inline { display: none; }

.post-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 0.95rem 1rem;
    margin-bottom: 0.75rem;
    background: var(--surface-2);
}
.post-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.35rem;
}
.post-card-check {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0;
    font-weight: 700;
}
.post-card-meta {
    margin: 0 0 0.55rem;
    font-size: 0.82rem;
    line-height: 1.45;
}
.post-card-body {
    margin: 0 0 0.85rem;
    line-height: 1.55;
    word-break: break-word;
}
.post-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.post-card-actions .btn {
    flex: 1 1 auto;
    min-height: 42px;
}

.admin-action-form { width: auto; }
.admin-action-form-grow { flex: 1; min-width: 200px; }

@media (max-width: 860px) {
    .admin-frame { grid-template-columns: 1fr; }
    .admin-side {
        position: sticky;
        top: 0;
        z-index: 40;
        border-right: 0;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        padding: 0.75rem 0.7rem 0.85rem;
    }
    .admin-side .side-foot { display: none; }
    .admin-menu-toggle { display: inline-flex; }
    .admin-logout-inline { display: none; }
    .admin-side nav.admin-nav-scroll {
        display: none !important;
        flex-direction: column;
        flex-wrap: nowrap;
        gap: 0.25rem;
        margin-top: 0.75rem;
        max-height: min(70vh, 420px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0.15rem;
    }
    .admin-side.is-nav-open nav.admin-nav-scroll {
        display: flex !important;
    }
    .admin-nav-scroll a {
        flex: 0 0 auto;
        white-space: nowrap;
        padding: 0.7rem 0.85rem;
        font-size: 0.95rem;
    }
    .admin-nav-logout { display: block; }
    .admin-main { padding: 0.85rem 0.75rem 1.75rem; }
    .admin-main .panel { padding: 1rem; }
    .admin-top {
        flex-direction: column;
        align-items: stretch;
        gap: 0.65rem;
    }
    .admin-top .actions { width: 100%; }
    .admin-top .actions .btn,
    .admin-top .actions form { width: 100%; }
    .admin-top .actions .btn { min-height: 44px; }

    .admin-search {
        flex-direction: column;
        align-items: stretch;
    }
    .admin-search input,
    .admin-search select,
    .admin-search .search-actions .btn {
        width: 100%;
        min-width: 0;
        min-height: 44px;
    }
    .admin-search .search-actions { width: 100%; }
    .admin-search .search-actions .btn,
    .admin-search .search-actions a { flex: 1; text-align: center; }

    .batch-bar { gap: 0.45rem; }
    .batch-bar .btn,
    .batch-bar .batch-reason {
        width: 100%;
        max-width: none;
        min-height: 42px;
    }

    .posts-table-desktop { display: none; }
    .posts-card-mobile { display: block; }

    .admin-show-actions,
    .admin-show-danger {
        flex-direction: column;
        align-items: stretch;
    }
    .admin-action-form,
    .admin-action-form-grow {
        width: 100%;
        min-width: 0;
    }
}

@media (max-width: 640px) {
    .site-header { flex-direction: column; align-items: flex-start; }
    .compose { padding: 1.15rem; }
    .grid { grid-template-columns: 1fr 1fr; gap: 0.65rem; }
    .stat strong { font-size: 1.45rem; }
}