/* ─── Login Page ──────────────────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--color-bg);
}
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}
.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}
.login-logo h1 {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-text);
}
.login-logo h1 span { color: var(--color-accent); }
.login-logo p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: .25rem;
}
.login-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: .5rem;
}
.login-theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
}

/* ─── List Page ───────────────────────────────────────────────────────────── */
.list-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}
.sort-controls {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.sort-controls .form-control {
    padding: .35rem .6rem;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-pill);
    max-width: 160px;
}

@media (max-width: 768px) {
    .list-toolbar { gap: .6rem; }

    /* Search: full width */
    .search-input-wrap { flex: 1 1 100%; max-width: 100%; min-width: 0; }

    /* Filters + view toggle on one scrollable row */
    .filters-bar {
        flex: 1 1 100%;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin-bottom: 0;
        padding-bottom: .15rem;
        gap: .5rem;
    }
    .filters-bar .form-control { flex-shrink: 0; max-width: 140px; }

    /* Sort compact */
    .sort-controls span { display: none; }
    .sort-controls .form-control { max-width: 110px; }
}

/* ─── Detail Page ─────────────────────────────────────────────────────────── */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2rem;
    align-items: start;
}
@media (max-width: 900px) {
    .detail-layout { grid-template-columns: 1fr; }
}

.detail-main {}

.detail-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
}

.detail-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    letter-spacing: -.03em;
    line-height: 1.2;
    margin-bottom: .5rem;
}

.detail-alt-titles {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    margin-bottom: 1.25rem;
}
.detail-alt-title {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    background: var(--color-surface-alt);
    padding: .2rem .65rem;
    border-radius: var(--radius-pill);
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.detail-section {
    margin-bottom: 2rem;
}
.detail-section-title {
    font-size: var(--font-size-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--color-text-muted);
    margin-bottom: .75rem;
}

.lyrics-block {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    font-size: var(--font-size-md);
    line-height: 2;
}
.lyrics-block--zh {
    font-size: 1.4rem;
    line-height: 1;
    padding: 1.5rem;
}
.lyrics-block--zh .lyrics-chinese { line-height: 3.2; }
.lyrics-block--zh rt { font-size: .65em; }

.sidebar-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-card);
    margin-bottom: 1rem;
}
.sidebar-card-title {
    font-size: var(--font-size-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}
.sidebar-actions {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.submission-status {
    padding: .75rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    border-left: 3px solid;
}
.submission-status.pending  { background: var(--color-warning-bg);  border-color: var(--color-warning); }
.submission-status.approved { background: var(--color-success-bg);  border-color: var(--color-success); }
.submission-status.rejected { background: var(--color-danger-bg);   border-color: var(--color-danger); }
.submission-status-label {
    font-weight: 700;
    margin-bottom: .25rem;
}
.submission-status-comment {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    margin-top: .35rem;
}

/* ─── Form Page ───────────────────────────────────────────────────────────── */
.form-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}
.form-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-card);
}
.form-section-title {
    font-size: var(--font-size-sm);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
    padding-bottom: .75rem;
    border-bottom: 1px solid var(--color-border);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

.abc-preview {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    min-height: 80px;
    overflow-x: auto;
}
.abc-preview-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: .5rem;
}

.pinyin-preview {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    min-height: 60px;
    font-size: var(--font-size-md);
    line-height: 2.5;
    word-break: break-all;
}

.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: border-color var(--transition), background var(--transition);
    cursor: pointer;
}
.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
}
.upload-zone-icon { font-size: 1.75rem; margin-bottom: .5rem; opacity: .5; }
.upload-zone-text { font-size: var(--font-size-sm); color: var(--color-text-muted); }
.upload-zone input[type="file"] { display: none; }

/* ─── Import Page ─────────────────────────────────────────────────────────── */
.import-result {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-top: 1.5rem;
}
.import-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}
.import-stat { text-align: center; }
.import-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-accent);
}
.import-stat-label { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.import-errors-list {
    display: flex;
    flex-direction: column;
    gap: .35rem;
    margin-top: .75rem;
}
.import-error-item {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    padding: .5rem .75rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}
.import-warning-item {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    padding: .5rem .75rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

/* ─── Profile Page ────────────────────────────────────────────────────────── */
.profile-layout {
    max-width: 640px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}
.profile-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ─── Admin Page ──────────────────────────────────────────────────────────── */
.admin-table-wrap { overflow-x: auto; }
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}
.admin-table th {
    text-align: left;
    padding: .6rem 1rem;
    font-size: var(--font-size-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text-muted);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}
.admin-table td {
    padding: .7rem 1rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}
.admin-table tr:hover td { background: var(--color-surface-alt); }
.admin-table tr:last-child td { border-bottom: none; }

.submission-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-bottom: .75rem;
    box-shadow: var(--shadow-card);
}
.submission-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: .75rem;
}
.submission-card-actions {
    display: flex;
    gap: .5rem;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 1rem;
    padding-top: .75rem;
    border-top: 1px solid var(--color-border);
}