:root {
    --ink-1000: #f1f5f9;
    --ink-800: #e2e8f0;
    --ink-600: #cbd5e1;
    --ink-400: #94a3b8;
    --ink-300: #64748b;
    --ink-200: #475569;
    --bg-canvas: #0a0a0a;
    --bg-surface: #1a1a1a;
    --bg-subtle: #2a2a2a;
    --border-soft: #3a3a3a;
    --border-strong: #4a4a4a;
    --accent: #818cf8;
    --accent-strong: #6366f1;
    --accent-soft: #312e81;
    --success: #059669;
    --success-strong: #047857;
    --warning: #fbbf24;
    --warning-strong: #f59e0b;
    --danger: #f87171;
    --danger-strong: #ef4444;
    --purple: #c084fc;
    --purple-strong: #a855f7;
    --cyan: #22d3ee;
    --cyan-strong: #06b6d4;
    --radius-lg: 0;
    --radius-md: 0;
    --radius-sm: 0;
    --shadow-outline: 0 0 0 3px var(--accent-soft);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
}

.dark {
    --ink-1000: #f1f5f9;
    --ink-800: #e2e8f0;
    --ink-600: #cbd5e1;
    --ink-400: #94a3b8;
    --ink-300: #64748b;
    --ink-200: #475569;
    --bg-canvas: #0a0f1e;
    --bg-surface: #1a1f2e;
    --bg-subtle: #252a3a;
    --border-soft: #2d3748;
    --border-strong: #4a5568;
    --accent: #818cf8;
    --accent-strong: #6366f1;
    --accent-soft: #312e81;
    --success: #059669;
    --success-strong: #047857;
    --warning: #fbbf24;
    --warning-strong: #f59e0b;
    --danger: #f87171;
    --danger-strong: #ef4444;
    --purple: #c084fc;
    --purple-strong: #a855f7;
    --cyan: #22d3ee;
    --cyan-strong: #06b6d4;
    --shadow-outline: 0 0 0 3px var(--accent-soft);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    background-color: var(--bg-canvas);
    color: var(--ink-800);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
}

.page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-header {
    background: #0f172a;
    border-bottom: 2px solid #1e293b;
}

.site-header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: #ffffff;
}

.site-brand__mark {
    width: 40px;
    height: 40px;
    background: #059669;
    display: grid;
    place-items: center;
    font-size: 1rem;
    font-weight: 800;
    color: #ffffff;
    border: 2px solid #059669;
}

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

.nav-link {
    padding: 0.6rem 1.1rem;
    border: 2px solid #1e293b;
    font-weight: 600;
    font-size: 0.95rem;
    color: #cbd5e1;
    background-color: transparent;
}

.nav-link--primary {
    background-color: #059669;
    color: #fff;
    border: 2px solid #059669;
}

.main-content {
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 2rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero__eyebrow {
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.16em;
    color: var(--ink-300);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    line-height: 1.1;
    color: var(--ink-1000);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.hero__subtitle {
    font-size: 0.95rem;
    color: var(--ink-400);
    max-width: 560px;
}

.hero__actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn {
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0;
    padding: 0.65rem 1.3rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--ink-300);
    color: #fff;
    border-color: var(--ink-300);
}

.btn svg,
.btn i {
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.btn-outline {
    border-color: var(--ink-300);
    color: #fff;
    background-color: var(--ink-300);
}

.btn-outline-primary {
    border-color: var(--accent);
    color: #fff;
    background-color: var(--accent);
}

.btn-outline-secondary {
    border-color: var(--ink-400);
    color: #fff;
    background-color: var(--ink-400);
}

.btn-secondary {
    background-color: #1e293b;
    border-color: #334155;
    color: #cbd5e1;
}

.btn-soft {
    background-color: var(--cyan);
    color: #fff;
    border-color: var(--cyan);
}

.btn-danger {
    background-color: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.btn-success {
    background-color: var(--success);
    border-color: var(--success);
    color: #fff;
}

.btn-warning {
    background-color: var(--warning);
    border-color: var(--warning);
    color: #fff;
}

.btn-sm {
    padding: 0.5rem 0.9rem;
    font-size: 0.8rem;
}

.stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.metric-card {
    background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
    border: 3px solid var(--accent-strong);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.metric-card__label {
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 700;
}

.metric-card__value {
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 4vw, 3.5rem);
    color: #ffffff;
    letter-spacing: -0.03em;
    font-weight: 800;
}

.metric-card__hint {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.panel {
    background-color: #1a1a1a;
    border: 2px solid #2a2a2a;
    border-radius: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow: hidden;
}

.panel__header {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    background: #1a1a1a;
    border-bottom: 2px solid #2a2a2a;
    padding: 1rem 1.5rem;
}

.panel__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: 0;
    color: var(--ink-1000);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.panel__meta {
    font-size: 0.85rem;
    color: var(--ink-400);
}

.panel > form,
.panel > .calendar-grid,
.panel > .category-map,
.panel > .empty-state {
    padding: 1.5rem;
}

.panel > .pagination {
    padding: 0 1.5rem 1.5rem;
}

.panel > .panel__footer {
    padding: 1rem 1.5rem;
}

.panel__footer {
    display: flex;
    justify-content: flex-end;
}

.category-map {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.category-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.65rem 1rem;
    border: 2px solid var(--border-soft);
    border-radius: var(--radius-md);
    color: var(--ink-600);
    font-weight: 600;
    font-size: 0.92rem;
    background-color: var(--bg-surface);
    cursor: pointer;
}

.category-chip__count {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--accent-strong);
}

.category-chip.is-active {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.category-chip.is-active .category-chip__count {
    color: #fff;
}

.layout-columns {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    gap: 1.75rem;
}

.form-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: var(--ink-400);
    margin-bottom: 0.5rem;
    display: block;
}

.date-block__item .form-label {
    margin-bottom: 0.4rem;
}

.form-control,
.form-select {
    width: 100%;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-soft);
    background-color: var(--bg-surface);
    padding: 0.65rem 0.85rem;
    font-size: 1.0625rem;
    line-height: 1.5;
    color: var(--ink-800);
    font-weight: 500;
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent);
    background-color: var(--bg-surface);
}

textarea.form-control {
    resize: vertical;
    min-height: 90px;
}

.form-text {
    font-size: 0.88rem;
    color: var(--ink-300);
}

.date-picker {
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    background-color: var(--bg-surface);
    padding: 0.85rem 1rem;
    font-size: 1rem;
    color: var(--ink-600);
    width: 100%;
}

.date-picker:focus {
    outline: none;
    border-color: var(--accent);
    background-color: var(--accent-soft);
}

.alert {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    padding: 1.1rem 1.4rem;
    font-weight: 600;
    font-size: 0.94rem;
}

.alert-success {
    background-color: #ecfdf5;
    border-color: #bbf7d0;
    color: var(--success);
}

.alert-danger {
    background-color: #fef2f2;
    border-color: #fecaca;
    color: var(--danger);
}

.alert-info {
    background-color: var(--accent-soft);
    border-color: var(--border-strong);
    color: var(--accent-strong);
}

.table-wrap {
    overflow-x: auto;
    border-radius: 0;
    border: 1px solid var(--border-soft);
    margin: 0;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.92rem;
}

.table thead th {
    background-color: #0f172a;
    color: #ffffff;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.75rem 1rem;
    border-bottom: 2px solid #1e293b;
    font-weight: 700;
    text-align: left;
}

.table tbody td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-soft);
    vertical-align: top;
    background-color: var(--bg-surface);
    color: #f1f5f9 !important;
}

.table-striped tbody tr:nth-of-type(odd) td {
    background-color: var(--bg-subtle);
    color: #f1f5f9 !important;
}

.table tbody tr:last-child td {
    border-bottom: 0;
}

.table-actions {
    margin-top: 0.85rem;
    display: flex;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.badge {
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.badge-success,
.badge.bg-success {
    background-color: #059669;
    color: #ffffff;
    border: 1px solid #047857;
}

.badge-primary,
.badge.bg-primary {
    background-color: var(--accent);
    color: #ffffff;
    border: 1px solid var(--accent-strong);
}

.badge-secondary,
.badge.bg-secondary {
    background-color: var(--ink-400);
    color: #ffffff;
    border: 1px solid var(--ink-600);
}

.category-badge,
.difficulty-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.category-badge {
    background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
    color: #ffffff;
    border: 2px solid var(--accent-strong);
    cursor: pointer;
    user-select: none;
    font-weight: 700;
}

.category-badge.active {
    background: linear-gradient(135deg, var(--success) 0%, var(--cyan) 100%);
    border-color: var(--success-strong);
    color: #ffffff;
}

.difficulty-badge {
    background-color: var(--bg-subtle);
    color: var(--ink-400);
    border: 1px solid var(--border-soft);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.45rem;
    padding: 1rem 0 0;
}

.pagination .page-item .page-link {
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-soft);
    padding: 0.65rem 1.05rem;
    font-weight: 600;
    color: var(--ink-600);
    background-color: var(--bg-surface);
}

.pagination .page-item.active .page-link {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.pagination nav div:first-child {
    display: none;
}

.pagination nav div:last-child {
    display: flex;
    gap: 0.35rem;
}

.generating-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: var(--radius-sm);
    background-color: #fef3c7;
    border: 1px solid #fbbf24;
    color: #92400e;
    padding: 0.55rem 0.9rem;
    font-size: 0.88rem;
    font-weight: 600;
}

.editable-field {
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-soft);
    padding: 0.5rem 0.65rem;
    background-color: var(--bg-surface);
    font-size: 1.0625rem;
    font-weight: 500;
}

.editable-field:focus {
    outline: none !important;
    border-color: var(--accent) !important;
    background-color: var(--bg-surface) !important;
}

.editable-field.saving {
    background-color: var(--accent-soft) !important;
    border-color: var(--accent) !important;
}

.editable-field.success {
    background-color: var(--success) !important;
    border-color: var(--success) !important;
    color: #fff !important;
}

.editable-field.error {
    background-color: var(--danger) !important;
    border-color: var(--danger) !important;
    color: #fff !important;
}

.accordion-item {
    border-radius: var(--radius-md) !important;
    border: 1px solid var(--border-soft) !important;
    overflow: hidden;
    background-color: var(--bg-surface);
}

.accordion-button {
    background-color: var(--bg-surface);
    color: var(--ink-800);
    font-weight: 600;
    font-size: 1rem;
    padding: 1.25rem 1.5rem;
    border-radius: 0 !important;
}

.accordion-button.collapsed {
    background-color: var(--bg-surface);
}

.accordion-button:not(.collapsed) {
    background-color: var(--bg-subtle);
    color: var(--accent-strong);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--border-soft);
}

.list-group-item {
    border: none;
    border-top: 1px solid var(--border-soft);
    padding: 1.3rem 1.5rem;
    background-color: var(--bg-surface);
}

.list-group-item:first-child {
    border-top: none;
}

.modal-content {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    background-color: var(--bg-surface);
}

.modal-header,
.modal-footer {
    border-color: var(--border-soft);
    padding: 1.5rem 2rem;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    letter-spacing: -0.02em;
    color: var(--ink-800);
}

.modal-body {
    padding: 1.8rem 2rem;
}

.btn-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    opacity: 0.8;
}

.question-text {
    line-height: 1.6;
}

.options-list {
    padding: 0;
    margin: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.options-list small {
    font-weight: 600;
    color: var(--ink-300);
}

.options-list input.editable-field {
    width: 100%;
}

.form-check-input {
    width: 18px;
    height: 18px;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent-strong);
}

.form-check-input:focus {
    outline: none;
    box-shadow: none;
    border-color: var(--accent);
}

.scheduler-grid {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.question-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 1.5rem;
}

.question-card {
    border: 2px solid var(--border-soft);
    border-radius: var(--radius-lg);
    background-color: var(--bg-surface);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 100%;
}

.question-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.8rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-soft);
}

.question-card__select {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ink-400);
    cursor: pointer;
}

.question-card__tags {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.question-card__body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.question-card__options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-top: 0.5rem;
}

.question-card__option {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.question-card__option--answer .input-group-text {
    background-color: var(--success);
}

.option-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-400);
}

.question-card__footer {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-soft);
    margin-top: 0.25rem;
}

.question-card__footer .btn i,
.question-card__footer .btn svg {
    font-size: 0.8rem;
}

.select-all-toggle {
    font-size: 0.9rem;
    color: var(--ink-300);
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.question-card__loading,
.question-card__notice {
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    color: var(--ink-400);
    background-color: var(--bg-subtle);
}

.question-card__loading .spinner-border {
    width: 1.75rem;
    height: 1.75rem;
}

.question-card__notice.alert {
    border-style: solid;
    background-color: rgba(220, 38, 38, 0.08);
    color: var(--danger);
}

.event-card {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    padding: 1.4rem;
    background-color: var(--bg-surface);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.event-card__date {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--accent-strong);
}

.event-card__meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--ink-300);
}

.calendar-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.date-block {
    border: 2px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 0;
    background-color: var(--bg-surface);
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow: hidden;
}

.date-block__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-subtle) 0%, #f8f9ff 100%);
    border-bottom: 1px solid var(--border-soft);
    padding: 1.1rem 1.75rem;
}

.date-block__title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--ink-1000);
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.date-block__count {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-strong);
    font-weight: 700;
    background-color: var(--accent-soft);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--accent);
}

.date-block__list {
    margin: 0;
    padding: 1.75rem;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
    gap: 1.25rem;
}

.date-block__item {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: 1.25rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-soft);
    background-color: var(--bg-surface);
}

.date-block__actions {
    display: flex;
    justify-content: flex-end;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-soft);
    margin-top: 0.25rem;
}

.date-block__actions .btn i,
.date-block__actions .btn svg {
    font-size: 0.8rem;
}

.scheduled-item__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-soft);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
}

.options-grid textarea {
    min-height: 70px;
}

@media (max-width: 1200px) {
    .date-block__list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .options-grid {
        grid-template-columns: 1fr;
    }

    .date-block__header {
        padding: 0.9rem 1.25rem;
    }

    .date-block__list {
        padding: 1.25rem;
    }
}

.date-badge {
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-soft);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ink-400);
}

.input-group {
    border: 2px solid var(--border-soft);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background-color: var(--bg-surface);
}

.input-group:focus-within {
    border-color: var(--accent);
}

.input-group-text {
    border: none;
    border-right: 1px solid var(--border-soft);
    background-color: var(--bg-subtle);
    color: var(--ink-400);
    display: flex;
    align-items: center;
    padding: 0.625rem 0.75rem;
}

.input-group-text i {
    font-size: 0.875rem;
}

.input-group .form-control {
    border: none;
    background: var(--bg-surface);
    font-size: 1.0625rem;
    padding: 0.625rem 0.75rem;
}

.input-group .form-control:focus {
    outline: none;
}

.input-group .btn {
    border: none;
    border-left: 2px solid var(--border-soft);
    border-radius: 0;
    background-color: var(--accent);
    color: #fff;
    padding: 0.35rem 0.6rem;
}

.input-group .btn i {
    font-size: 0.75rem;
}

.pin-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-canvas);
    padding: 3rem 1.5rem;
}

.pin-panel {
    max-width: 460px;
    width: 100%;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: 2.75rem 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    align-items: center;
    text-align: center;
}

.pin-panel__title {
    font-family: var(--font-display);
    font-size: 2.6rem;
    margin: 0;
    color: var(--ink-1000);
}

.pin-panel__subtitle {
    color: var(--ink-400);
    font-size: 1.02rem;
    max-width: 340px;
}

.pin-inputs {
    display: flex;
    gap: 0.85rem;
    justify-content: center;
}

.pin-input {
    width: 72px;
    height: 82px;
    text-align: center;
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    background-color: var(--bg-surface);
    transition: border-color 0.16s ease, background-color 0.16s ease;
}

.pin-input:focus {
    outline: none;
    border-color: var(--accent);
    background-color: var(--accent-soft);
}

.scheduler-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--bg-subtle) 0%, #f8f9ff 100%);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
}

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

.empty-state {
    border-radius: var(--radius-md);
    border: 1px dashed var(--border-strong);
    background-color: var(--accent-soft);
    padding: 1.5rem;
    color: var(--accent-strong);
    text-align: center;
    font-weight: 600;
}

@media (max-width: 1200px) {
    .question-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
}

@media (max-width: 1024px) {
    .site-header__inner,
    .main-content {
        padding-left: 2rem;
        padding-right: 2rem;
    }

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

    .layout-columns,
    .scheduler-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .site-header__inner,
    .main-content {
        padding: 1.75rem 1.5rem;
    }

    .hero__title {
        font-size: clamp(2rem, 7vw, 2.8rem);
    }

    .metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }

    .pin-input {
        width: 64px;
        height: 76px;
        font-size: 2rem;
    }

    .scheduler-toolbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding: 1rem;
    }

    .scheduler-toolbar__group {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 560px) {
    .site-header__inner,
    .main-content {
        padding: 1.5rem 1.2rem;
    }

    .site-header__inner {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .pin-inputs {
        gap: 0.65rem;
    }
}