:root {
    color-scheme: light;
    --app-bg: #f7f8fa;
    --app-surface: #ffffff;
    --app-surface-muted: #f0f4f3;
    --app-border: #d9e0e4;
    --app-border-strong: #b8c4ca;
    --app-text: #20262d;
    --app-text-muted: #63717c;
    --app-accent: #2f7d73;
    --app-accent-soft: #dff2ee;
    --app-warm: #cc6b4f;
    --app-focus-ring: rgba(47, 125, 115, 0.28);
    --app-shadow-sm: 0 1px 2px rgba(19, 29, 35, 0.08);
    --app-shadow-md: 0 18px 38px rgba(19, 29, 35, 0.12);
}

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
        --app-bg: #101416;
        --app-surface: #181e21;
        --app-surface-muted: #202a2d;
        --app-border: #324044;
        --app-border-strong: #4b5d63;
        --app-text: #edf3f4;
        --app-text-muted: #a8b6ba;
        --app-accent: #80d2c3;
        --app-accent-soft: #203e39;
        --app-warm: #f0a083;
        --app-focus-ring: rgba(128, 210, 195, 0.3);
        --app-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.34);
        --app-shadow-md: 0 18px 38px rgba(0, 0, 0, 0.42);
    }
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background: var(--app-bg);
    color: var(--app-text);
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.5;
}

a {
    color: var(--app-accent);
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--app-focus-ring);
    outline-offset: 2px;
}

.app-shell {
    min-height: 100vh;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 16px;
    min-height: 64px;
    padding-inline: max(16px, calc((100% - 1120px) / 2));
    border-bottom: 1px solid var(--app-border);
    background: color-mix(in srgb, var(--app-surface) 92%, transparent);
    backdrop-filter: blur(10px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    margin-right: auto;
    color: var(--app-text);
    font-weight: 700;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--app-accent-soft);
    color: var(--app-accent);
    box-shadow: inset 0 0 0 1px var(--app-border);
}

.auth-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 14px;
    border: 1px solid var(--app-border);
    border-radius: 8px;
    background: var(--app-surface);
    color: var(--app-text);
    font: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: var(--app-shadow-sm);
    cursor: pointer;
}

.auth-action:hover {
    border-color: var(--app-border-strong);
    color: var(--app-accent);
}

.btn-primary,
.btn-secondary,
.btn-row {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 8px;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    border: 1px solid var(--app-accent);
    background: var(--app-accent);
    color: var(--app-bg);
}

.btn-primary:hover {
    filter: brightness(0.96);
}

.btn-secondary,
.btn-row {
    border: 1px solid var(--app-border);
    background: var(--app-surface);
    color: var(--app-text);
}

.btn-secondary:hover,
.btn-row:hover {
    border-color: var(--app-border-strong);
    color: var(--app-accent);
}

.btn-row {
    min-height: 32px;
    padding-inline: 10px;
    font-size: 0.82rem;
}

.btn-row.danger:hover {
    border-color: var(--app-warm);
    color: var(--app-warm);
}

.content {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 48px 0;
}

.page-header {
    margin-bottom: 20px;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--app-warm);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 12px;
    font-size: clamp(2rem, 1.6rem + 1.4vw, 3rem);
    line-height: 1.08;
}

h2 {
    margin-bottom: 6px;
    font-size: 1rem;
    line-height: 1.25;
}

.summary {
    margin-bottom: 0;
    color: var(--app-text-muted);
    font-size: 1.05rem;
}

.editor-shell {
    display: block;
}

.panel {
    border: 1px solid var(--app-border);
    border-radius: 8px;
    background: var(--app-surface);
    box-shadow: var(--app-shadow-sm);
}

.panel-heading {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    justify-content: space-between;
    padding: 20px 22px;
    border-bottom: 1px solid var(--app-border);
}

.panel-heading-actions {
    display: flex;
    flex: 0 0 auto;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: flex-end;
}

.panel-heading p {
    margin-bottom: 0;
    color: var(--app-text-muted);
    font-size: 0.94rem;
}

.status-pill {
    flex: 0 0 auto;
    padding: 0.25rem 0.55rem;
    border: 1px solid var(--app-border);
    border-radius: 999px;
    background: var(--app-surface-muted);
    color: var(--app-text-muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.song-form {
    display: grid;
    gap: 18px;
    padding: 22px;
    border-bottom: 1px solid var(--app-border);
}

.filter-strip {
    display: grid;
    gap: 14px;
    padding: 14px 22px;
    border-bottom: 1px solid var(--app-border);
    background: color-mix(in srgb, var(--app-surface-muted) 34%, var(--app-surface));
}

.filter-toolbar,
.filter-toolbar-actions,
.filter-group-header,
.filter-group-actions,
.filter-mode-toggle {
    display: flex;
    gap: 12px;
    align-items: center;
}

.filter-toolbar,
.filter-group-header {
    flex-wrap: wrap;
    justify-content: space-between;
}

.filter-toolbar {
    color: var(--app-text-muted);
    font-size: 0.84rem;
    font-weight: 800;
}

.filter-toolbar-actions,
.filter-group-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
}

.filter-groups {
    display: grid;
    gap: 14px;
}

.filter-group {
    display: grid;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--app-border);
}

.filter-group:first-child {
    padding-top: 0;
    border-top: 0;
}

.filter-group-title {
    color: var(--app-text);
    font-size: 0.86rem;
    font-weight: 800;
}

.filter-mode-toggle {
    gap: 2px;
    padding: 2px;
    border: 1px solid var(--app-border);
    border-radius: 8px;
    background: var(--app-surface);
}

.filter-mode-button {
    min-height: 28px;
    padding: 0 9px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--app-text-muted);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 800;
    cursor: pointer;
}

.filter-mode-button.selected {
    background: var(--app-accent-soft);
    color: var(--app-accent);
}

.form-grid {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr) minmax(0, 1fr);
    gap: 14px;
}

.field {
    display: grid;
    gap: 7px;
    min-width: 0;
    color: var(--app-text);
    font-size: 0.86rem;
    font-weight: 700;
}

.form-input {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--app-border);
    border-radius: 8px;
    background: var(--app-surface);
    color: var(--app-text);
    font: inherit;
    font-size: 0.94rem;
    padding: 0 12px;
}

.form-input:focus {
    border-color: var(--app-accent);
    outline: 3px solid var(--app-focus-ring);
}

.tag-fieldset {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    border: 0;
}

.tag-fieldset legend {
    padding: 0;
    color: var(--app-text);
    font-size: 0.86rem;
    font-weight: 700;
}

.saved-tag-presets {
    display: grid;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--app-border);
}

.tag-preset-heading {
    color: var(--app-text-muted);
    font-size: 0.8rem;
    font-weight: 800;
}

.tag-options,
.tag-list,
.row-actions,
.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.tag-option,
.tag-chip {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 10px;
    border: 1px solid var(--app-border);
    border-radius: 999px;
    background: var(--app-surface-muted);
    color: var(--app-text-muted);
    font: inherit;
    font-size: 0.82rem;
    font-weight: 700;
}

.tag-option {
    cursor: pointer;
}

.tag-option-with-count {
    gap: 6px;
}

.tag-option-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.35rem;
    height: 1.35rem;
    padding: 0 0.32rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--app-surface) 70%, transparent);
    color: var(--app-text-muted);
    font-size: 0.72rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.tag-option.selected {
    border-color: color-mix(in srgb, var(--app-accent) 64%, var(--app-border));
    background: var(--app-accent-soft);
    color: var(--app-accent);
}

.tag-option.selected .tag-option-count {
    background: color-mix(in srgb, var(--app-accent) 12%, var(--app-surface));
    color: var(--app-accent);
}

.form-error {
    margin: 0;
    padding: 10px 12px;
    border: 1px solid color-mix(in srgb, var(--app-warm) 52%, var(--app-border));
    border-radius: 8px;
    background: color-mix(in srgb, var(--app-warm) 12%, var(--app-surface));
    color: var(--app-warm);
    font-weight: 700;
}

.empty-state {
    display: grid;
    gap: 5px;
    padding: 34px 22px;
    color: var(--app-text-muted);
}

.empty-state strong {
    color: var(--app-text);
}

.auth-panel {
    display: grid;
    gap: 12px;
    max-width: 560px;
    padding: 24px;
}

.auth-panel p {
    margin-bottom: 4px;
    color: var(--app-text-muted);
}

.auth-panel .btn-primary {
    justify-self: start;
}

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

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--app-border);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--app-text-muted);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

td {
    color: var(--app-text);
    font-size: 0.93rem;
}

tbody tr:hover {
    background: color-mix(in srgb, var(--app-surface-muted) 58%, transparent);
}

.song-number {
    font-variant-numeric: tabular-nums;
    font-weight: 800;
}

.request-id {
    padding: 14px 16px;
    border: 1px solid var(--app-border);
    border-radius: 8px;
    background: var(--app-surface);
}

#blazor-error-ui {
    position: fixed;
    right: 16px;
    bottom: 16px;
    display: none;
    max-width: min(420px, calc(100% - 32px));
    padding: 14px 42px 14px 16px;
    border: 1px solid var(--app-border-strong);
    border-radius: 8px;
    background: var(--app-surface);
    box-shadow: var(--app-shadow-md);
    color: var(--app-text);
}

#blazor-error-ui .reload {
    margin-left: 10px;
}

#blazor-error-ui .dismiss {
    position: absolute;
    top: 10px;
    right: 12px;
    color: var(--app-text-muted);
    text-decoration: none;
}

@media (max-width: 760px) {
    .content {
        padding: 32px 0;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .panel-heading {
        flex-direction: column;
    }

    .topbar {
        gap: 10px;
    }

    .brand {
        min-width: 0;
    }

    .brand span:last-child {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}