/* Admin Quiz Library Styles */

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    max-width: 1480px;
    margin: 0 auto;
    padding: 18px 18px 48px;
    background: var(--bg);
    background-image: var(--bg-grad);
    background-attachment: fixed;
    color: var(--text-main);
}

.hidden {
    display: none !important;
}

h1,
h2,
h3 {
    margin: 0;
    color: var(--text-main);
}

h1,
.section-title {
    font-family: var(--font-heading);
}

p {
    margin: 4px 0;
    color: var(--text-sub);
    font-size: 0.9rem;
}

.card {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
        var(--card-bg);
    border-radius: 18px;
    border: 1px solid var(--border);
    padding: 16px 18px;
    box-shadow: 0 18px 42px rgba(5, 10, 25, 0.24);
    margin-top: 12px;
}

button,
.header-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    min-height: 38px;
    cursor: pointer;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-main);
    font-size: 0.9rem;
    text-decoration: none;
    transition: background 0.15s, transform 0.05s, box-shadow 0.15s, border-color 0.15s;
}

button:hover,
.header-link-btn:hover {
    background: rgba(20, 184, 166, 0.12);
    border-color: rgba(45, 212, 191, 0.55);
}

.primary-action {
    background: rgba(20, 184, 166, 0.16);
    border-color: rgba(45, 212, 191, 0.42);
    color: #d4fffb;
}

.danger-action {
    border-color: rgba(248, 113, 113, 0.28);
    color: #fca5a5;
}

button:active,
.header-link-btn:active {
    transform: translateY(1px);
}

button:disabled {
    opacity: 0.5;
    cursor: default;
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    font-size: 0.9rem;
    background: var(--input-bg);
    color: var(--text-main);
}

input[type="text"]:focus,
select:focus,
textarea:focus {
    border-color: #2dd4bf;
    outline: none;
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.14);
}

label {
    font-size: 0.74rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-sub);
}

.nav-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 10px 0 4px;
}

.nav-btn {
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    font-size: 0.85rem;
    text-decoration: none;
    color: var(--text-main);
}

.nav-btn:hover {
    background: rgba(20, 184, 166, 0.08);
    border-color: rgba(45, 212, 191, 0.45);
}

.nav-btn.active {
    background: rgba(20, 184, 166, 0.16);
    border-color: rgba(45, 212, 191, 0.55);
    color: #76f3e0;
    font-weight: 700;
}

.hero-card {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at top left, rgba(45, 212, 191, 0.12), transparent 36%),
        radial-gradient(circle at top right, rgba(245, 158, 11, 0.09), transparent 28%),
        linear-gradient(180deg, rgba(12, 30, 46, 0.96), rgba(9, 20, 34, 0.92));
}

.hero-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-copy {
    max-width: 700px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    border: 1px solid rgba(45, 212, 191, 0.24);
    background: rgba(20, 184, 166, 0.08);
    color: #7deee0;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.hero-copy h1 {
    margin: 0 0 6px;
    font-size: 2rem;
}

.hero-copy p {
    max-width: 64ch;
    font-size: 0.95rem;
    line-height: 1.55;
}

.header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.header-link-btn.primary {
    border-color: rgba(45, 212, 191, 0.45);
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.24), rgba(13, 148, 136, 0.22));
    color: #d9fffb;
    font-weight: 700;
}

.header-link-btn.accent {
    border-color: rgba(245, 158, 11, 0.42);
    background: rgba(245, 158, 11, 0.14);
    color: #fde68a;
    font-weight: 700;
}

.hero-command-strip {
    margin-top: 18px;
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(320px, 1fr);
    gap: 12px;
}

.hero-search-panel,
.filter-summary-card {
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(6, 14, 26, 0.44);
    padding: 14px;
}

.command-label,
.filter-summary-label {
    display: block;
    margin-bottom: 8px;
    color: #8fe9de;
}

.hero-search-panel input {
    min-height: 50px;
    font-size: 1rem;
    border-radius: 14px;
}

.command-help {
    margin-top: 8px;
    color: var(--text-sub);
    font-size: 0.82rem;
}

.hero-micro-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.hero-micro-actions button {
    min-height: 56px;
    border-radius: 16px;
    font-weight: 600;
}

.tone-amber {
    border-color: rgba(245, 158, 11, 0.36);
    background: rgba(245, 158, 11, 0.12);
    color: #ffd18b;
}

.hero-metrics {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.hero-metric-card {
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-radius: 14px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-metric-value {
    font-size: 1.35rem;
    font-weight: 800;
}

.hero-metric-label {
    font-size: 0.74rem;
    color: var(--text-sub);
}

.layout-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 12px;
    align-items: flex-start;
}

.layout-left {
    flex: 1.7 1 760px;
    min-width: 0;
}

.layout-right {
    flex: 1 1 400px;
    min-width: 0;
    position: sticky;
    top: 14px;
    align-self: flex-start;
}

.explorer-shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 16px;
    margin-top: 12px;
    align-items: flex-start;
}

.explorer-sidebar,
.explorer-inspector {
    position: sticky;
    top: 14px;
    align-self: flex-start;
}

.explorer-sidebar {
    max-height: calc(100vh - 28px);
    overflow-y: auto;
}

.explorer-main {
    min-width: 0;
}

.explorer-inspector {
    min-width: 0;
}

.explorer-sidebar-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.explorer-root-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
}

.folder-tree {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(4, 12, 24, 0.32);
}

.folder-tree-empty {
    padding: 12px;
    color: var(--text-sub);
    font-size: 0.82rem;
    line-height: 1.5;
}

.folder-tree-node {
    width: 100%;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 8px;
    align-items: center;
    min-height: 38px;
    padding: 8px 10px 8px calc(10px + (var(--folder-depth, 0) * 16px));
    border-radius: 12px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-main);
    text-align: left;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.folder-tree-node:hover,
.folder-tree-node.active {
    border-color: rgba(45, 212, 191, 0.42);
    background: rgba(20, 184, 166, 0.12);
}

.folder-tree-node.drop-target,
.folder-chip.drop-target {
    border-color: rgba(245, 158, 11, 0.75);
    background: rgba(245, 158, 11, 0.16);
    transform: translateX(2px);
}

.folder-node-icon {
    opacity: 0.86;
}

.folder-node-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 700;
}

.folder-node-count,
.folder-node-direct {
    justify-self: end;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-sub);
    font-size: 0.68rem;
    padding: 3px 7px;
}

.folder-node-direct {
    grid-column: 2 / -1;
    justify-self: start;
    opacity: 0.72;
}

.folder-management-card {
    margin-top: 12px;
    padding: 12px;
    border-radius: 16px;
    border: 1px solid rgba(45, 212, 191, 0.18);
    background:
        radial-gradient(circle at 0% 0%, rgba(45, 212, 191, 0.08), transparent 36%),
        rgba(4, 12, 24, 0.34);
}

.folder-management-card label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-sub);
    font-size: 0.75rem;
    font-weight: 700;
}

.folder-management-card input {
    width: 100%;
    min-height: 42px;
    margin-bottom: 10px;
}

.folder-action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.folder-action-grid button {
    min-height: 38px;
    border-radius: 12px;
}

.folder-help {
    margin: 10px 0 0;
    color: var(--text-sub);
    font-size: 0.76rem;
    line-height: 1.45;
}

.explorer-pathbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    padding: 12px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(255, 255, 255, 0.035);
}

.pathbar-label {
    margin-bottom: 6px;
    color: var(--text-sub);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.folder-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.folder-breadcrumb button {
    padding: 5px 10px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    font-size: 0.78rem;
}

.folder-breadcrumb button.active {
    border-color: rgba(45, 212, 191, 0.45);
    background: rgba(20, 184, 166, 0.16);
    color: #b7fff1;
}

.folder-breadcrumb span {
    color: var(--text-sub);
}

.filter-drawer {
    margin-bottom: 12px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(4, 12, 24, 0.26);
}

.filter-drawer summary {
    padding: 12px 14px;
    cursor: pointer;
    color: var(--text-main);
    font-weight: 800;
}

.filter-drawer .filter-toolbar {
    margin: 0;
    padding: 0 14px 14px;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 1.12rem;
}

.section-sub {
    margin: 4px 0 0;
    font-size: 0.85rem;
}

.section-utility {
    align-self: center;
    color: var(--text-sub);
    font-size: 0.78rem;
}

.quiz-list-view-toolbar {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(4, 12, 24, 0.32);
}

.view-toolbar-label {
    padding: 0 8px;
    color: var(--text-sub);
    font-size: 0.74rem;
}

.view-toggle-btn {
    min-height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    border-color: transparent;
    background: transparent;
    color: var(--text-sub);
    font-size: 0.78rem;
    font-weight: 700;
}

.view-toggle-btn.active {
    border-color: rgba(45, 212, 191, 0.44);
    background: rgba(20, 184, 166, 0.16);
    color: #c8fff4;
}

.filter-toolbar {
    display: grid;
    grid-template-columns: repeat(4, minmax(110px, 0.72fr)) minmax(240px, 1.18fr);
    gap: 10px;
    align-items: end;
    margin-bottom: 12px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-group.compact select {
    min-height: 44px;
}

.filter-summary-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 86px;
}

.filter-summary-card strong {
    font-size: 0.92rem;
    line-height: 1.4;
    color: var(--text-main);
}

.folder-panel {
    margin: 4px 0 12px;
    padding: 14px;
    border-radius: 16px;
    border: 1px solid rgba(45, 212, 191, 0.18);
    background:
        radial-gradient(circle at 0% 0%, rgba(45, 212, 191, 0.08), transparent 34%),
        rgba(4, 12, 24, 0.34);
}

.folder-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.folder-panel-title {
    font-size: 0.96rem;
    margin: 0 0 4px;
}

.folder-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.folder-strip.explorer-root-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.folder-chip {
    min-height: 34px;
    gap: 8px;
    border-color: rgba(148, 163, 184, 0.18);
    background: rgba(15, 23, 42, 0.36);
    font-weight: 700;
}

.folder-chip strong {
    min-width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: #b8f4eb;
    font-size: 0.72rem;
}

.folder-chip.active {
    border-color: rgba(45, 212, 191, 0.58);
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.22), rgba(13, 148, 136, 0.12));
    color: #ddfffb;
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.12);
}

.folder-move-row {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) auto auto;
    gap: 8px;
    align-items: center;
    width: min(620px, 100%);
}

.folder-move-row input {
    min-height: 38px;
}

.folder-mini-pill {
    border-color: rgba(45, 212, 191, 0.22);
    color: #9cf5e8;
}

.status-line {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--text-sub);
}

.status-line.error {
    color: var(--danger);
}

.selection-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    font-size: 0.85rem;
    margin: 6px 0 12px;
    padding: 10px 12px;
    background: linear-gradient(90deg, rgba(20, 184, 166, 0.14), rgba(20, 184, 166, 0.06));
    border-radius: 14px;
    border: 1px solid rgba(45, 212, 191, 0.28);
    position: sticky;
    top: 14px;
    z-index: 3;
}

.selection-summary {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: min(280px, 100%);
    margin-right: auto;
}

.selection-summary #selectionCount {
    font-weight: 800;
}

.list-selection-tools {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 8px 0;
    padding: 8px 12px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-radius: 14px;
    background: rgba(4, 12, 24, 0.28);
}

.select-all-visible-control {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 30px;
    color: var(--text-main);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
    cursor: pointer;
}

.select-all-visible-control input {
    width: 17px;
    height: 17px;
    accent-color: #14b8a6;
}

.select-all-visible-control input:disabled {
    cursor: default;
}

.select-all-visible-control input:disabled + span {
    opacity: 0.6;
}

.select-all-visible-hint {
    color: var(--text-sub);
    font-size: 0.76rem;
}

.selection-hint {
    color: var(--text-sub);
    font-size: 0.75rem;
}

.selection-bar.hidden {
    display: none !important;
}

.list-head-row {
    display: none;
    grid-template-columns: 72px minmax(220px, 2fr) minmax(108px, 0.8fr) 82px minmax(150px, 1.15fr) minmax(150px, 1fr);
    gap: 12px;
    padding: 0 14px 8px;
    color: var(--text-sub);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.list-head-row.is-table-view {
    display: grid;
}

.quiz-list-container {
    margin-top: 4px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: rgba(4, 12, 24, 0.42);
}

.quiz-list-container.is-table-view {
    display: block;
    max-height: 640px;
    overflow: auto;
}

.quiz-empty-row {
    grid-column: 1 / -1;
    padding: 18px 16px;
    color: var(--text-sub);
    cursor: default;
}

.quiz-item {
    padding: 14px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    display: grid;
    gap: 12px;
    align-items: center;
    font-size: 0.88rem;
    background: transparent;
    transition: all 0.15s ease;
    color: var(--text-main);
}

.quiz-item:hover {
    background: rgba(20, 184, 166, 0.06);
    transform: translateX(1px);
}

.quiz-item.selected {
    background: rgba(20, 184, 166, 0.12);
    box-shadow: inset 3px 0 0 #2dd4bf;
}

.explorer-main .quiz-list-container.is-card-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
    max-height: none;
    overflow: visible;
    padding: 12px;
}

.explorer-main .quiz-list-container.is-card-view .quiz-item {
    min-height: 178px;
    grid-template-columns: 1fr;
    align-items: stretch;
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-bottom: 1px solid rgba(148, 163, 184, 0.16);
    border-radius: 16px;
    background:
        linear-gradient(145deg, rgba(15, 23, 42, 0.88), rgba(4, 12, 24, 0.88)),
        rgba(4, 12, 24, 0.5);
    box-shadow: 0 16px 38px rgba(0, 0, 0, 0.16);
    cursor: grab;
}

.explorer-main .quiz-list-container.is-card-view .quiz-item:hover {
    transform: translateY(-2px);
    border-color: rgba(45, 212, 191, 0.34);
}

.explorer-main .quiz-list-container.is-card-view .quiz-item:active {
    cursor: grabbing;
}

.explorer-main .quiz-list-container.is-card-view .quiz-item.dragging {
    opacity: 0.56;
    border-color: rgba(245, 158, 11, 0.7);
    transform: scale(0.98);
}

.explorer-main .quiz-list-container.is-card-view .quiz-item.selected {
    border-color: rgba(45, 212, 191, 0.58);
    box-shadow: inset 0 0 0 2px rgba(45, 212, 191, 0.34), 0 16px 38px rgba(0, 0, 0, 0.18);
}

.explorer-main .quiz-list-container.is-table-view .quiz-item {
    grid-template-columns: 72px minmax(220px, 2fr) minmax(108px, 0.8fr) 82px minmax(150px, 1.15fr) minmax(150px, 1fr);
    min-height: 74px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.16);
    cursor: grab;
}

.explorer-main .quiz-list-container.is-table-view .quiz-item:hover {
    background: rgba(20, 184, 166, 0.07);
    transform: none;
}

.explorer-main .quiz-list-container.is-table-view .quiz-item.dragging {
    opacity: 0.56;
}

.explorer-main .quiz-list-container.is-table-view .quiz-item.selected {
    background: rgba(20, 184, 166, 0.12);
    box-shadow: inset 3px 0 0 #2dd4bf;
}

.explorer-main .quiz-row-actions {
    align-self: end;
}

.quiz-drag-active .folder-tree-node,
.quiz-drag-active .folder-chip {
    outline: 1px dashed rgba(245, 158, 11, 0.35);
    outline-offset: -3px;
}

.quiz-item-check {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-sub);
    font-size: 0.78rem;
}

.quiz-item-check input {
    width: 18px;
    height: 18px;
    accent-color: #14b8a6;
}

.quiz-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.quiz-preview-trigger {
    width: 100%;
    min-height: 0;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 4px 6px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    color: inherit;
    text-align: left;
    cursor: pointer;
}

.quiz-preview-trigger:hover {
    background: rgba(20, 184, 166, 0.08);
    border-color: rgba(45, 212, 191, 0.28);
}

.quiz-preview-trigger:focus-visible {
    outline: none;
    border-color: rgba(45, 212, 191, 0.6);
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.14);
}

.quiz-item-title {
    font-weight: 600;
    font-size: 0.98rem;
}

.quiz-item-meta {
    font-size: 0.77rem;
    color: var(--text-sub);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.quiz-table-subject,
.quiz-table-count,
.quiz-table-folder {
    min-width: 0;
    color: var(--text-main);
    font-size: 0.82rem;
    overflow-wrap: anywhere;
}

.quiz-table-count {
    font-weight: 800;
    color: #c8fff4;
}

.quiz-table-folder {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.quiz-table-folder small {
    color: var(--text-sub);
    font-size: 0.72rem;
}

.quiz-state {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
}

.mini-pill,
.tag-pill {
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 500;
}

.mini-pill {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(148, 163, 184, 0.18);
    color: #c2d5e5;
}

.status-pill {
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
}

.status-active {
    background: rgba(20, 184, 166, 0.16);
    color: #82f3e4;
}

.status-inactive {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
}

.status-last-used {
    font-size: 0.72rem;
    color: var(--text-sub);
}

.quiz-row-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-end;
}

.row-action {
    min-height: 34px;
    padding: 0 11px;
    font-size: 0.78rem;
}

.row-action.primary {
    background: rgba(20, 184, 166, 0.16);
    border-color: rgba(45, 212, 191, 0.4);
    color: #c9fffb;
}

.row-action.ghost-danger {
    border-color: rgba(248, 113, 113, 0.3);
    color: #fca5a5;
}

.list-footer {
    padding: 10px 14px 4px;
    font-size: 0.78rem;
    color: var(--text-sub);
}

.inspector-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.inspector-summary-card,
.inspector-action-card,
.inspector-edit-card,
.inspector-preview-card,
.inspector-empty {
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(255, 255, 255, 0.03);
    padding: 14px;
}

.detail-title {
    font-size: 1.18rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.detail-sub {
    font-size: 0.82rem;
    color: var(--text-sub);
    margin-bottom: 10px;
}

.detail-section-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin: 16px 0 8px;
}

.summary-chip-row,
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.tag-pill {
    background: rgba(45, 212, 191, 0.12);
    color: #83f2e3;
    border: 1px solid rgba(45, 212, 191, 0.2);
}

.inspector-kpi-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 12px;
}

.inspector-kpi {
    border-radius: 12px;
    padding: 10px;
    background: rgba(4, 12, 24, 0.44);
    border: 1px solid rgba(148, 163, 184, 0.14);
}

.inspector-kpi-value {
    display: block;
    font-size: 1rem;
    font-weight: 800;
}

.inspector-kpi-label {
    display: block;
    margin-top: 4px;
    color: var(--text-sub);
    font-size: 0.72rem;
}

.inspector-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.inspector-actions button {
    min-height: 44px;
    border-radius: 14px;
    font-weight: 600;
}

.quick-edit-grid,
.meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 12px;
}

.full-span {
    grid-column: 1 / -1;
}

.meta-item-label {
    color: var(--text-sub);
    font-size: 0.75rem;
    margin-bottom: 6px;
}

.meta-item-value {
    font-weight: 500;
    color: var(--text-main);
}

.toggle-field {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 18px;
    color: var(--text-main);
}

.toggle-field input {
    width: 18px;
    height: 18px;
    accent-color: #14b8a6;
}

.question-preview-container {
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 14px;
    background: rgba(4, 12, 24, 0.42);
    margin-top: 6px;
}

.question-preview-item {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
    display: flex;
    gap: 8px;
    align-items: center;
}

.question-preview-item:last-child {
    border-bottom: none;
}

.question-preview-num {
    font-weight: 600;
    color: #76f3e0;
    min-width: 28px;
}

.question-preview-type {
    font-size: 0.7rem;
    padding: 3px 7px;
    border-radius: 999px;
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.24);
    color: #ffd18b;
}

.question-preview-text {
    flex: 1;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.question-preview-thumb {
    width: 56px;
    height: 56px;
    flex: 0 0 56px;
    border-radius: 10px;
    border: 1px solid var(--border);
    object-fit: cover;
    background: rgba(255, 255, 255, 0.08);
}

.detail-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.empty-detail {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-sub);
}

.inspector-empty h3 {
    margin: 0 0 6px;
    font-size: 1rem;
}

.inspector-empty p {
    margin: 0 0 12px;
}

.inspector-empty-list {
    margin: 0 0 12px;
    padding-left: 18px;
    color: var(--text-sub);
    font-size: 0.84rem;
}

.inspector-empty-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.modal-back {
    position: fixed;
    inset: 0;
    z-index: 9500;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-card {
    width: min(1080px, 100%);
    max-height: min(90vh, 920px);
    overflow: auto;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    box-shadow: 0 24px 80px rgba(15, 23, 42, 0.28);
    padding: 18px;
}

.quiz-detail-modal-card {
    width: min(980px, calc(100vw - 32px));
}

.selection-manage-modal-card {
    width: min(620px, calc(100vw - 32px));
}

.quiz-student-preview-modal-card {
    width: min(1180px, calc(100vw - 24px));
    height: min(92vh, 920px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.quiz-ai-modal-card {
    width: min(1180px, calc(100vw - 32px));
}

.detail-tab-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0 14px;
    padding: 8px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(4, 12, 24, 0.32);
}

.detail-tab-btn {
    min-height: 36px;
    border-radius: 999px;
    padding: 0 14px;
    border-color: rgba(148, 163, 184, 0.18);
    background: rgba(255, 255, 255, 0.04);
}

.detail-tab-btn.active {
    border-color: rgba(45, 212, 191, 0.5);
    background: rgba(20, 184, 166, 0.16);
    color: #c8fff4;
}

.detail-tab-panel.hidden {
    display: none;
}

.quiz-detail-modal-body .inspector-stack {
    gap: 0;
}

.selection-manage-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.selection-manage-grid button {
    min-height: 48px;
    border-radius: 14px;
    font-weight: 700;
}

.modal-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 14px;
}

.modal-head h2 {
    margin: 0 0 4px;
    font-size: 1.15rem;
}

.modal-head-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.student-preview-frame-wrap {
    min-height: 0;
    flex: 1;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 14px;
    overflow: hidden;
    background: #f8fafc;
}

.student-preview-frame-wrap iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
    background: #f8fafc;
}

.import-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 12px;
}

.import-summary-card {
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.import-summary-label {
    font-size: 0.75rem;
    color: var(--text-sub);
}

.import-actions-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 10px;
}

.import-actions-row .primary {
    background: rgba(20, 184, 166, 0.16);
    border-color: rgba(45, 212, 191, 0.4);
    color: #d4fffb;
    font-weight: 700;
}

.quiz-ai-layout {
    display: grid;
    grid-template-columns: minmax(340px, 0.9fr) minmax(420px, 1.1fr);
    gap: 12px;
}

.quiz-ai-panel {
    min-height: 520px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    padding: 12px;
}

.quiz-ai-source-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.quiz-ai-meta-grid,
.quiz-ai-type-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.quiz-ai-type-grid.single-type {
    grid-template-columns: minmax(0, 1fr);
}

.quiz-ai-type-grid label {
    display: grid;
    grid-template-columns: 1fr 86px;
    align-items: center;
    gap: 8px;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    padding: 8px 10px;
    background: rgba(15, 23, 42, 0.18);
}

.quiz-ai-type-grid input {
    text-align: right;
}

.quiz-ai-preview {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 62vh;
    overflow: auto;
    padding-right: 2px;
}

.quiz-ai-preview.empty {
    color: var(--text-sub);
    font-size: 0.9rem;
}

.quiz-ai-question-card {
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    padding: 12px;
}

.quiz-ai-question-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.quiz-ai-type-pill {
    border-radius: 999px;
    padding: 3px 9px;
    background: rgba(20, 184, 166, 0.14);
    border: 1px solid rgba(45, 212, 191, 0.28);
    color: #ccfbf1;
    font-size: 0.74rem;
    font-weight: 800;
}

.quiz-ai-question-card textarea {
    min-height: 68px;
    resize: vertical;
}

.quiz-ai-question-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 8px;
}

.quiz-ai-option-row {
    display: grid;
    grid-template-columns: 20px minmax(0, 1fr);
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.quiz-ai-option-row input[type="radio"] {
    width: 18px;
    height: 18px;
}

.quiz-ai-question-grid .full-span {
    grid-column: 1 / -1;
}

.execution-modal-card {
    width: min(720px, 100%);
}

.execution-summary-card {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.execution-summary-card > div {
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.execution-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}

.execution-form-grid .full-span {
    grid-column: 1 / -1;
}

.execution-form-grid label,
.execution-options-grid strong {
    display: block;
    font-size: 0.84rem;
    font-weight: 700;
}

.execution-form-grid input,
.execution-form-grid textarea {
    width: 100%;
    margin-top: 6px;
}

.execution-options-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.execution-toggle {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    padding: 12px;
}

.execution-toggle input {
    margin-top: 2px;
}

.execution-toggle p {
    margin: 4px 0 0;
    font-size: 0.78rem;
    color: var(--text-sub);
    line-height: 1.5;
}

.execution-number {
    display: grid;
    gap: 8px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    padding: 12px;
}

.execution-number span {
    font-size: 0.86rem;
    font-weight: 800;
    color: var(--text-main);
}

.execution-number input {
    width: 100%;
    min-height: 42px;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text-main);
}

.execution-number p {
    margin: 0;
    font-size: 0.78rem;
    color: var(--text-sub);
    line-height: 1.5;
}

.import-note {
    font-size: 0.8rem;
    color: var(--text-sub);
    margin-bottom: 10px;
}

.import-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 10px;
}

.import-panel {
    min-height: 280px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    padding: 12px;
}

.import-panel-title {
    font-size: 0.92rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.import-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.import-list.empty {
    color: var(--text-sub);
    font-size: 0.85rem;
}

.import-item,
.share-list-item {
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 10px 12px;
    background: var(--input-bg);
    display: flex;
    gap: 10px;
    align-items: center;
}

.share-list-item {
    width: 100%;
    text-align: left;
}

.share-list-item.selected {
    border-color: #2dd4bf;
    box-shadow: 0 0 0 1px #2dd4bf;
}

.import-panel textarea {
    min-height: 96px;
    resize: vertical;
}

.import-item-thumb {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    border: 1px solid var(--border);
    object-fit: cover;
    flex: 0 0 64px;
    background: rgba(255, 255, 255, 0.08);
}

.import-item-body {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.import-item-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-main);
}

.import-item-meta {
    font-size: 0.76rem;
    color: var(--text-sub);
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.import-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: 0.72rem;
    color: var(--text-sub);
    background: rgba(255, 255, 255, 0.08);
}

.import-badge.multi {
    border-color: rgba(245, 158, 11, 0.55);
    color: #ffd18b;
    background: rgba(245, 158, 11, 0.12);
}

.import-badge.category-river {
    border-color: rgba(14, 165, 233, 0.45);
    color: #7dd3fc;
    background: rgba(14, 165, 233, 0.12);
}

.import-badge.category-mountain {
    border-color: rgba(34, 197, 94, 0.45);
    color: #86efac;
    background: rgba(34, 197, 94, 0.12);
}

@media (max-width: 1200px) {
    .hero-command-strip {
        grid-template-columns: 1fr;
    }

    .hero-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .filter-toolbar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .explorer-shell {
        grid-template-columns: 250px minmax(0, 1fr);
    }

    .explorer-inspector {
        grid-column: 1 / -1;
        position: static;
    }

    .folder-panel-head {
        flex-direction: column;
    }

    .folder-move-row {
        width: 100%;
        grid-template-columns: 1fr;
    }

    .filter-summary-card {
        grid-column: 1 / -1;
    }

    .list-head-row.is-table-view,
    .explorer-main .quiz-list-container.is-table-view .quiz-item {
        grid-template-columns: 64px minmax(180px, 1.7fr) minmax(92px, 0.8fr) 76px minmax(120px, 1fr) minmax(130px, 1fr);
    }

    .quiz-row-actions {
        grid-column: 2 / -1;
        justify-content: flex-start;
    }

    .layout-right {
        position: static;
    }

    .import-summary-grid,
    .import-columns,
    .execution-summary-card,
    .execution-options-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .hero-top,
    .section-head {
        flex-direction: column;
    }

    .hero-metrics,
    .hero-micro-actions,
    .filter-toolbar,
    .explorer-shell,
    .inspector-actions,
    .quick-edit-grid,
    .meta-grid,
    .inspector-kpi-row,
    .execution-form-grid,
    .execution-options-grid {
        grid-template-columns: 1fr;
    }

    .list-head-row {
        display: none;
    }

    .explorer-sidebar {
        position: static;
        max-height: none;
    }

    .explorer-pathbar {
        flex-direction: column;
        align-items: stretch;
    }

    .folder-action-grid {
        grid-template-columns: 1fr;
    }

    .selection-manage-grid {
        grid-template-columns: 1fr;
    }

    .explorer-main .quiz-list-container.is-card-view {
        grid-template-columns: 1fr;
        padding: 10px;
    }

    .explorer-main .quiz-list-container.is-card-view .quiz-item,
    .explorer-main .quiz-list-container.is-table-view .quiz-item {
        grid-template-columns: 1fr;
    }

    .quiz-item-check {
        justify-content: space-between;
    }

    .quiz-state,
    .quiz-row-actions {
        justify-content: flex-start;
    }

    .selection-bar {
        position: static;
    }
}