/* css/main.css */

/* --- Header --- */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 1.8rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info span {
    font-weight: bold;
    color: #667eea;
}

.btn-tips, .btn-data, .btn-logout, .btn-calendar, .btn-chart {
    padding: 8px 20px;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
}

.btn-tips { background: #FF9800; }
.btn-tips:hover { background: #F57C00; transform: translateY(-1px); }

.btn-data { background: #2196F3; }
.btn-data:hover { background: #1976D2; transform: translateY(-1px); }

.btn-logout { background: #f44336; }
.btn-logout:hover { background: #d32f2f; transform: translateY(-1px); }

.btn-calendar { background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%); }
.btn-calendar:hover { background: linear-gradient(135deg, #AB47BC 0%, #8E24AA 100%); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(156, 39, 176, 0.3); }

.btn-chart { background: linear-gradient(135deg, #467bb3 0%, #5e90cc 100%); }
.btn-chart:hover { background: linear-gradient(135deg, #5e90cc 0%, #6fa0dc 100%); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(94, 138, 204, 0.51); }


/* --- Data Notice Banner --- */
.data-notice {
    background: linear-gradient(135deg, #FFF3CD 0%, #FFE69C 100%);
    border-left: 4px solid #FFC107;
    margin: 1rem auto;
    max-width: 1200px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    animation: slideDown 0.5s ease-out;
}

.data-notice.hidden { display: none; }

.notice-content {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    gap: 1rem;
}

.notice-icon { font-size: 1.5rem; }
.notice-text { flex: 1; color: #856404; font-weight: 600; }

.notice-btn {
    padding: 8px 16px;
    background: #FFC107;
    color: #333;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.2s;
}
.notice-btn:hover { background: #FFB300; transform: translateY(-1px); }

.notice-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: #856404;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}
.notice-close:hover { background: rgba(0,0,0,0.1); }


/* --- Global Stats Panel --- */
.global-stats-panel {
    max-width: 1200px;
    margin: 1.5rem auto;
    padding: 0 2rem;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.global-stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    min-width: 160px;
    transition: transform 0.2s;
    cursor: pointer;
}

.global-stat-card:hover {
    transform: translateY(-3px);
}

.global-stat-card.streak {
    border-left: 4px solid #f44336;
}

.global-stat-card.today {
    border-left: 4px solid #4CAF50;
}

.global-stat-card.progress {
    border-left: 4px solid #2196F3;
}

.global-stat-card.total {
    border-left: 4px solid #FF9800;
}

.global-stat-card.share {
    border-left: 4px solid #9C27B0;
    background: linear-gradient(135deg, #f5f5f5 0%, #ede7f6 100%);
}

.global-stat-card.share:hover {
    background: linear-gradient(135deg, #ede7f6 0%, #e1bee7 100%);
}

.global-stat-icon {
    font-size: 2rem;
}

.global-stat-info {
    display: flex;
    flex-direction: column;
}

.global-stat-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
}

.global-stat-card.streak .global-stat-number {
    color: #f44336;
}

.global-stat-card.today .global-stat-number {
    color: #4CAF50;
}

.global-stat-card.progress .global-stat-number {
    color: #2196F3;
}

.global-stat-card.total .global-stat-number {
    color: #FF9800;
}

.global-stat-card.share .global-stat-number {
    color: #9C27B0;
}

.percent-badge {
    display: inline-block;
    background: linear-gradient(135deg, #FF9800 0%, #F57C00 100%);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: bold;
    margin-left: 5px;
}

.global-stat-label {
    font-size: 0.8rem;
    color: #888;
}

/* --- Stats Panel --- */
.stats-panel {
    max-width: 1200px;
    margin: 1.5rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-5px); }

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label { color: #888; font-size: 0.9rem; }

/* --- Review Workspace --- */
.review-workspace {
    position: fixed;
    inset: 0;
    z-index: 1200;
    background: linear-gradient(180deg, rgba(255, 248, 225, 0.96) 0%, rgba(255, 255, 255, 0.98) 100%);
    backdrop-filter: blur(10px);
    overflow-y: auto;
    padding: 2rem;
}

.review-workspace-shell {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.review-workspace-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 204, 128, 0.8);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 20px 40px rgba(245, 127, 23, 0.12);
}

.review-workspace-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: #fff3e0;
    color: #ef6c00;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
}

.review-workspace-header h2 {
    margin: 0;
    font-size: 2rem;
    color: #333;
}

.review-workspace-header p {
    margin: 0.65rem 0 0;
    color: #795548;
    line-height: 1.6;
    max-width: 720px;
}

.review-workspace-header-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.review-workspace-close-btn,
.review-workspace-ghost-btn,
.review-card-action,
.review-card-link,
.review-card-complete {
    border: none;
    border-radius: 10px;
    padding: 0.8rem 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.review-workspace-close-btn {
    background: linear-gradient(135deg, #ff7043 0%, #f4511e 100%);
    color: white;
    box-shadow: 0 10px 24px rgba(244, 81, 30, 0.28);
}

.review-workspace-ghost-btn {
    background: white;
    color: #ef6c00;
    border: 1px solid #ffcc80;
}

.review-workspace-close-btn:hover,
.review-workspace-ghost-btn:hover,
.review-card-action:hover,
.review-card-link:hover,
.review-card-complete:hover {
    transform: translateY(-1px);
}

.review-group-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.review-group-workspace-btn,
.review-stage-workspace-btn {
    border: none;
    border-radius: 999px;
    padding: 0.4rem 0.8rem;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    color: #e65100;
    background: rgba(255, 183, 77, 0.18);
    transition: all 0.2s ease;
}

.review-group-workspace-btn:hover,
.review-stage-workspace-btn:hover {
    background: rgba(255, 183, 77, 0.28);
    transform: translateY(-1px);
}

.review-inline-actions {
    position: absolute;
    left: 0.6rem;
    right: 0.6rem;
    top: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-wrap: wrap;
    z-index: 2;
}

.review-inline-meta {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 243, 224, 0.96);
    color: #9c6b00;
    font-size: 0.76rem;
    font-weight: 700;
    line-height: 1.2;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.review-inline-link-btn,
.review-inline-complete-btn {
    border: none;
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: 0.76rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.review-inline-link-btn {
    background: rgba(255, 243, 224, 0.96);
    color: #ef6c00;
}

.review-inline-complete-btn {
    background: rgba(255, 248, 225, 0.96);
    color: #e65100;
}

.review-inline-link-btn:hover,
.review-inline-workspace-btn:hover,
.review-inline-complete-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(0,0,0,0.08);
}

.review-workspace-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 1rem;
    align-items: start;
}

.review-workspace-list-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.review-workspace-section {
    background: white;
    border: 1px solid #ffe0b2;
    border-radius: 18px;
    padding: 1.25rem;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
}

.review-workspace-section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.review-workspace-section-eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 700;
    color: #ef6c00;
    background: #fff3e0;
    margin-bottom: 0.5rem;
}

.review-workspace-section-header h3 {
    margin: 0;
    color: #4e342e;
    font-size: 1.1rem;
}

.review-workspace-inline-stat {
    min-width: 140px;
    padding: 0.75rem 0.9rem;
    border-radius: 12px;
    background: #fff8e1;
    border: 1px solid #ffe0b2;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.review-workspace-inline-stat span {
    color: #8d6e63;
    font-size: 0.78rem;
}

.review-workspace-inline-stat strong {
    color: #e65100;
    font-size: 0.98rem;
}

.review-workspace-header-side {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    width: min(100%, 340px);
    flex-shrink: 0;
}

.review-workspace-stage-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    padding: 1.1rem;
    border-radius: 22px;
    border: 1px solid rgba(255, 204, 128, 0.9);
    background: linear-gradient(160deg, rgba(255, 248, 225, 0.96) 0%, rgba(255, 255, 255, 0.98) 100%);
    box-shadow: 0 18px 36px rgba(245, 127, 23, 0.14);
    overflow: visible;
    z-index: 60;
}

.review-workspace-stage-card::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff9800 0%, #ff7043 55%, #ffb74d 100%);
}

.review-workspace-stage-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.review-workspace-stage-card-hint {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 204, 128, 0.85);
    color: #bf6d00;
    font-size: 0.78rem;
    font-weight: 700;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.review-workspace-stage-card label {
    color: #a35c00;
    font-size: 0.92rem;
    font-weight: 800;
}

.review-workspace-stage-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 0.95rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(255, 224, 178, 0.95);
}

.review-workspace-stage-meta span {
    color: #8d6e63;
    font-size: 0.82rem;
}

.review-workspace-stage-meta strong {
    color: #e65100;
    font-size: 1rem;
}

.review-workspace-control-row {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.review-workspace-control-row label {
    color: #ef6c00;
    font-size: 0.9rem;
    font-weight: 700;
}

.review-workspace-control-row-multi {
    align-items: end;
}

.review-workspace-control-item {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.review-workspace-control-item-category {
    flex: 1 1 360px;
    min-width: min(100%, 340px);
}

.review-workspace-control-item-count {
    flex: 0 0 180px;
}

.review-workspace-picker,
.review-workspace-category-picker,
.review-workspace-tree-select {
    width: 100%;
}

.review-workspace-select-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
    opacity: 0;
    pointer-events: none;
}


.review-workspace-draw-btn {
    width: 100%;
    min-height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.review-workspace-tree {
    position: relative;
    width: 100%;
}

.review-workspace-tree-trigger {
    position: relative;
    width: 100%;
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 0.95rem 0.9rem 1rem;
    text-align: left;
    cursor: pointer;
    border-radius: 14px;
    border: 1px solid #ffd9a8;
    background: #fffdfa;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95), 0 3px 10px rgba(93, 64, 55, 0.06);
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.review-workspace-tree-trigger:hover {
    border-color: #ffb74d;
    background: #fffaf3;
}

.review-workspace-tree.is-open .review-workspace-tree-trigger {
    border-color: #ff9800;
    box-shadow: 0 0 0 3px rgba(255, 152, 0, 0.12), 0 10px 20px rgba(93, 64, 55, 0.1);
    background: #fffaf2;
}

.review-workspace-tree-trigger-text,
.review-workspace-tree-option-main,
.review-workspace-tree-group-main {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.review-workspace-tree-trigger-label,
.review-workspace-tree-option-title,
.review-workspace-tree-group-title {
    color: #5d4037;
    font-weight: 700;
    line-height: 1.4;
}

.review-workspace-tree-trigger-meta,
.review-workspace-tree-option-subtitle,
.review-workspace-tree-group-subtitle {
    color: #8d6e63;
    font-size: 0.8rem;
    line-height: 1.35;
}

.review-workspace-tree-trigger-icon,
.review-workspace-tree-group-arrow {
    flex-shrink: 0;
    color: #ef6c00;
    font-size: 0.9rem;
    font-weight: 900;
    transition: transform 0.2s ease;
}

.review-workspace-tree.is-open .review-workspace-tree-trigger-icon,
.review-workspace-tree-group[open] .review-workspace-tree-group-arrow {
    transform: rotate(180deg);
}

.review-workspace-tree-panel {
    position: absolute;
    top: calc(100% + 0.45rem);
    left: 0;
    right: 0;
    z-index: 40;
    padding: 0.65rem;
    border-radius: 16px;
    border: 1px solid #ffd9a8;
    background: #fffdfa;
    box-shadow: 0 18px 34px rgba(93, 64, 55, 0.16);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.18s ease, visibility 0.18s ease, transform 0.18s ease;
    max-height: 420px;
    overflow-y: auto;
}

.review-workspace-tree.is-open .review-workspace-tree-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.review-workspace-tree-option {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0.9rem;
    border: 1px solid transparent;
    border-radius: 12px;
    background: #fff9f2;
    cursor: pointer;
    transition: border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}

.review-workspace-tree-option:hover {
    border-color: #ffd39a;
    background: #fff4e5;
    box-shadow: 0 8px 18px rgba(255, 152, 0, 0.08);
}

.review-workspace-tree-option + .review-workspace-tree-option {
    margin-top: 0.5rem;
}

.review-workspace-tree-option-root {
    margin-bottom: 0.7rem;
    background: #fff3e0;
}

.review-workspace-tree-option.is-group-all {
    background: #fff8e8;
}

.review-workspace-tree-option.is-selected {
    border-color: #ff9800;
    background: #fff1d6;
    box-shadow: inset 0 0 0 1px rgba(255, 152, 0, 0.12);
}

.review-workspace-tree-option.is-disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.review-workspace-tree-option-count,
.review-workspace-tree-group-count {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 64px;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    background: rgba(255, 243, 224, 0.96);
    color: #e65100;
    font-size: 0.78rem;
    font-weight: 700;
}

.review-workspace-tree-group + .review-workspace-tree-group {
    margin-top: 0.65rem;
}

.review-workspace-tree-group {
    border: 1px solid #ffe8c6;
    border-radius: 14px;
    overflow: hidden;
    background: #fffefb;
}

.review-workspace-tree-group-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0.9rem;
    cursor: pointer;
    user-select: none;
    list-style: none;
    background: #fff8ee;
}

.review-workspace-tree-group-summary::-webkit-details-marker {
    display: none;
}

.review-workspace-tree-group-meta {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.review-workspace-tree-children {
    display: grid;
    gap: 0.5rem;
    padding: 0.45rem 0.65rem 0.65rem;
    background: #fffdfa;
}

.review-workspace-tree-panel-flat .review-workspace-tree-option {
    justify-content: flex-start;
}

.review-workspace-tree-empty {
    padding: 0.9rem;
    color: #8d6e63;
    font-size: 0.88rem;
}

.review-workspace-empty {
    margin-top: 1rem;
    padding: 1.25rem;
    border-radius: 14px;
    border: 1px dashed #ffcc80;
    background: #fffaf0;
    color: #8d6e63;
}

.review-workspace-empty h3,
.review-workspace-empty p {
    margin: 0;
}

.review-workspace-empty p {
    margin-top: 0.45rem;
}

.review-workspace-grid {
    margin-top: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.review-workspace-overview-note {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 1rem;
    padding: 0.6rem 0.9rem;
    border-radius: 999px;
    background: #fff8e1;
    color: #8d6e63;
    font-size: 0.9rem;
    font-weight: 600;
}

.review-workspace-grouped-view {
    display: block;
    max-height: min(58vh, 720px);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 0.35rem;
    overscroll-behavior: contain;
}

.review-workspace-grouped-view::-webkit-scrollbar,
.review-workspace-recent-list::-webkit-scrollbar {
    width: 8px;
}

.review-workspace-grouped-view::-webkit-scrollbar-thumb,
.review-workspace-recent-list::-webkit-scrollbar-thumb {
    background: rgba(249, 115, 22, 0.35);
    border-radius: 999px;
}

.review-workspace-grouped-view::-webkit-scrollbar-track,
.review-workspace-recent-list::-webkit-scrollbar-track {
    background: rgba(255, 243, 224, 0.9);
    border-radius: 999px;
}

.review-workspace-group-empty {
    margin: 0;
    padding: 1.2rem;
    border: 1px dashed #ffcc80;
    border-radius: 14px;
    background: #fffaf0;
    color: #8d6e63;
}

.review-workspace-category-group {
    border: 1px solid #ffe0b2;
    border-radius: 18px;
    background: linear-gradient(180deg, #fffefb 0%, #ffffff 100%);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.05);
}

.review-workspace-category-group + .review-workspace-category-group {
    margin-top: 1rem;
}

.review-workspace-category-group-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.1rem;
    border-bottom: 1px solid #ffecce;
    background: linear-gradient(180deg, #fff8e8 0%, #fffdf7 100%);
}

.review-workspace-category-group-header h4 {
    margin: 0;
    color: #4e342e;
    font-size: 1rem;
}

.review-workspace-category-group-header p {
    margin: 0.35rem 0 0;
    color: #8d6e63;
    font-size: 0.88rem;
}

.review-workspace-category-group-badge {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: #fff3e0;
    color: #ef6c00;
    font-size: 0.8rem;
    font-weight: 700;
}

.review-workspace-category-problems {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.85rem;
    padding: 1rem 1.1rem 1.1rem;
}

.review-workspace-category-problem {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    padding: 0.9rem;
    border-radius: 14px;
    border: 1px solid #f3e1c2;
    background: #fffdf8;
}

.review-workspace-category-problem.done {
    border-color: #c8e6c9;
    background: #f3fff4;
}

.review-workspace-category-problem-id {
    color: #ef6c00;
    font-size: 0.9rem;
    font-weight: 800;
}

.review-workspace-category-problem-title {
    color: #4e342e;
    font-weight: 700;
    line-height: 1.5;
}

.review-workspace-category-problem-stage {
    color: #8d6e63;
    font-size: 0.8rem;
}


.review-workspace-list-panel {
    min-width: 0;
}

.review-workspace-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.review-workspace-empty {
    background: white;
    border: 1px dashed #ffcc80;
    border-radius: 18px;
    padding: 3rem 1.5rem;
    text-align: center;
    color: #8d6e63;
}

.review-workspace-empty h3 {
    margin: 0 0 0.6rem;
    color: #ef6c00;
}

.review-workspace-card {
    background: white;
    border: 1px solid #ffe0b2;
    border-radius: 18px;
    padding: 1.1rem;
    box-shadow: 0 12px 26px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

.review-workspace-card.reviewed {
    border-color: #a5d6a7;
    background: linear-gradient(180deg, #ffffff 0%, #f3fff4 100%);
}

.review-workspace-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.review-workspace-card-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    background: #fff3e0;
    color: #ef6c00;
    font-size: 0.78rem;
    font-weight: 700;
}

.review-workspace-card.reviewed .review-workspace-card-badge {
    background: #e8f5e9;
    color: #2e7d32;
}

.review-workspace-card-number {
    font-size: 1.35rem;
    font-weight: 800;
    color: #5d4037;
}

.review-workspace-card-title {
    font-size: 1rem;
    line-height: 1.6;
    color: #333;
    font-weight: 700;
}

.review-workspace-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.review-workspace-card-meta span {
    background: #f5f5f5;
    color: #6d4c41;
    border-radius: 999px;
    padding: 0.35rem 0.7rem;
    font-size: 0.8rem;
}

.review-workspace-card-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.review-workspace-summary-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: sticky;
    top: 1rem;
}

.review-workspace-summary-card {
    background: white;
    border: 1px solid #ffe0b2;
    border-radius: 18px;
    padding: 1.1rem;
    box-shadow: 0 12px 26px rgba(0,0,0,0.06);
}

.review-workspace-summary-card:last-child {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.review-workspace-summary-card h3 {
    margin: 0 0 0.9rem;
    color: #ef6c00;
    font-size: 1rem;
}

.review-workspace-summary-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

.review-workspace-summary-metrics div {
    background: #fff8e1;
    border-radius: 14px;
    padding: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.review-workspace-summary-metrics span {
    color: #8d6e63;
    font-size: 0.82rem;
}

.review-workspace-summary-metrics strong {
    color: #e65100;
    font-size: 1.35rem;
}

.review-workspace-recent-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: min(44vh, 480px);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 0.35rem;
    overscroll-behavior: contain;
}

.review-workspace-recent-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.85rem 0.9rem;
    border-radius: 14px;
    background: #f9f9f9;
    border: 1px solid #f0f0f0;
}

.review-workspace-recent-item strong {
    color: #ef6c00;
}

.review-workspace-recent-item span,
.review-workspace-recent-empty {
    color: #6d4c41;
    font-size: 0.9rem;
    line-height: 1.5;
}

.review-card-link {
    background: #fff3e0;
    color: #ef6c00;
    flex: 1;
}

.review-card-complete {
    background: linear-gradient(135deg, #66bb6a 0%, #43a047 100%);
    color: white;
    flex: 1;
    box-shadow: 0 10px 24px rgba(67, 160, 71, 0.24);
}

.review-card-complete[disabled] {
    background: #c8e6c9;
    color: #2e7d32;
    box-shadow: none;
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .review-workspace {
        padding: 1rem;
    }

    .review-workspace-header {
        flex-direction: column;
    }

    .review-workspace-header-side {
        width: 100%;
    }

    .review-workspace-header h2 {
        font-size: 1.6rem;
    }

    .review-workspace-main {
        grid-template-columns: 1fr;
    }

    .review-workspace-control-item,
    .review-workspace-control-item-category,
    .review-workspace-control-item-count,
    .review-workspace-draw-btn {
        width: 100%;
        min-width: 0;
        margin-left: 0;
    }

    .review-workspace-tree-panel {
        max-height: 340px;
    }

    .review-workspace-summary-panel {
        position: static;
    }

    .review-workspace-card-actions {
        flex-direction: column;
    }

    .review-workspace-category-group-header {
        flex-direction: column;
    }

    .review-workspace-grouped-view,
    .review-workspace-recent-list {
        max-height: 42vh;
    }

    .review-workspace-category-problems {
        grid-template-columns: 1fr;
    }
}


/* --- Round Selector --- */
.round-selector {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.round-btn {
    flex: 1;
    min-width: 200px;
    padding: 1rem;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    color: #666;
}
.round-btn:hover { border-color: #667eea; color: #667eea; }
.round-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}


/* --- Categories --- */
.categories-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s;
    border: 3px solid transparent;
    animation: fadeIn 0.3s ease-out;
}
.category-card:hover { transform: translateY(-5px); box-shadow: 0 6px 25px rgba(0,0,0,0.15); }
.category-card.active { border-color: #667eea; box-shadow: 0 6px 25px rgba(102, 126, 234, 0.3); }

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.category-name { font-size: 1.3rem; font-weight: bold; color: #333; }
.category-progress { font-size: 0.9rem; color: #667eea; font-weight: bold; }

.progress-bar { height: 8px; background: #e0e0e0; border-radius: 10px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, #667eea 0%, #764ba2 100%); transition: width 0.3s; }


/* --- Problems List --- */
.problems-container {
    max-width: 1200px;
    margin: 2rem auto 4rem;
    padding: 0 2rem;
}

.problems-section {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.problem-wrapper {
    position: relative;
    min-height: 80px;
}

.problem-item {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: stretch;
    justify-content: center;
    background: #f5f5f5;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    color: #666;
    padding: 0.8rem;
    animation: fadeIn 0.3s ease-out;
}
.problem-item:hover { border-color: #667eea; transform: scale(1.05); }

.problem-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    gap: 0.3rem;
}

.problem-number { font-size: 1.1rem; font-weight: bold; color: #667eea; }
.problem-title {
    font-size: 0.75rem;
    color: #555;
    line-height: 1.2;
    font-weight: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
}

.problem-item.solved {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}
.problem-item.solved .problem-number { color: white; }
.problem-item.solved .problem-title { color: rgba(255, 255, 255, 0.95); }
.problem-item.solved::after { content: ' ✓'; margin-left: 2px; }

.solved-date-badge {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: rgba(255, 255, 255, 0.95);
    color: #667eea;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    pointer-events: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.problem-item.solved .solved-date-badge { color: rgba(255, 255, 255, 0.95); background: rgba(0, 0, 0, 0.2); }

.problem-item.highlight {
    box-shadow: 0 0 0 3px #FFC107;
    border-color: #FFC107;
    transform: scale(1.05);
}

.copy-btn, .link-btn {
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    transition: all 0.2s;
    padding: 0;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.problem-wrapper:hover .copy-btn, .problem-wrapper:hover .link-btn, .review-problems-wrap:hover .link-btn { display: flex; }

.copy-btn { top: -8px; right: -8px; background: white; border: 2px solid #667eea; }
.copy-btn:hover { background: #667eea; transform: scale(1.1); }
.copy-btn.copied { background: #4caf50; border-color: #4caf50; color: white; }

.link-btn { bottom: -8px; right: -8px; background: white; border: 2px solid #FF9800; }
.link-btn:hover { background: #FF9800; transform: scale(1.1); }


/* --- Main Footer --- */
.main-footer {
    max-width: 1200px;
    margin: 3rem auto 2rem;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border-top: 1px solid #e0e0e0;
}

.footer-github {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: #24292e;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
}

.footer-github:hover {
    background: #444d56;
    transform: translateY(-1px);
}

.footer-github svg {
    opacity: 0.9;
}

.footer-divider {
    color: #ccc;
}

.footer-text {
    color: #888;
    font-size: 0.85rem;
}

/* --- Review Section --- */
.review-section {
    background: linear-gradient(to right, #FFFDE7, #ffffff);
    padding: 1.5rem 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.15);
    margin-bottom: 2rem;
    border-left: 5px solid #FFC107;
    animation: fadeIn 0.4s ease-out;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.review-title {
    font-size: 1.3rem;
    color: #F57F17;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: bold;
}

.btn-generate-review {
    padding: 8px 16px;
    background: #FFC107;
    color: #333;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 2px 8px rgba(255, 193, 7, 0.3);
}

.btn-generate-review:hover {
    background: #FFB300;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4);
}

.review-problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.review-problems-wrap {
    position: relative;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.review-problem-item {
    width: 100%;
    min-height: 168px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: relative;
    background: linear-gradient(180deg, #fffdf8 0%, #ffffff 100%);
    border: 1px solid #f6d7a8;
    border-radius: 16px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    font-size: 0.9rem;
    color: #666;
    padding: 0.9rem;
    animation: fadeIn 0.3s ease-out;
    box-shadow: 0 8px 20px rgba(255, 183, 77, 0.08);
    overflow: hidden;
}

.review-problem-item:hover {
    border-color: #ffb74d;
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(255, 183, 77, 0.16);
}

.review-card-meta-row {
    display: flex;
    align-items: center;
    margin-bottom: 0.8rem;
}

.review-card-meta {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    padding: 0.34rem 0.68rem;
    border-radius: 999px;
    background: #fff6df;
    color: #9a6a00;
    font-size: 0.73rem;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.review-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.55rem;
    margin-top: 0.9rem;
}

.review-inline-link-btn,
.review-inline-complete-btn {
    border: none;
    border-radius: 10px;
    padding: 0.46rem 0.72rem;
    font-size: 0.76rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    box-shadow: none;
    min-width: 0;
    flex: 1;
}

.review-inline-link-btn {
    background: #f4e8ff;
    color: #7b1fa2;
}

.review-inline-complete-btn {
    background: #fff1d6;
    color: #e65100;
}

.review-inline-link-btn:hover,
.review-inline-complete-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
}

.review-inline-complete-btn:disabled {
    cursor: default;
    opacity: 0.88;
    box-shadow: none;
}

.review-problem-item .problem-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    gap: 0.5rem;
    padding: 0.25rem 0.4rem;
}

.review-problem-item .problem-number {
    font-size: 2.6rem;
    line-height: 1;
    font-weight: 800;
    color: #fb8c00;
    letter-spacing: 0.01em;
}

.review-problem-item .problem-title {
    font-size: 0.88rem;
    color: #5f6368;
    line-height: 1.45;
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
    max-width: 100%;
}

.review-count-badge {
    display: none;
}

/* 复习完成状态按复习阶段隔离，避免第一轮和第二轮互相污染 */
.review-problem-item.reviewed {
    color: white;
    border-color: transparent;
}
.review-problem-item.reviewed[data-review-stage="0"] {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
}
.review-problem-item.reviewed[data-review-stage="1"] {
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
}
.review-problem-item.reviewed[data-review-stage="2"] {
    background: linear-gradient(135deg, #FF9800 0%, #F57C00 100%);
}
.review-problem-item.reviewed[data-review-stage="3"] {
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
}
.review-problem-item.reviewed[data-review-stage="4"] {
    background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
}
.review-problem-item.reviewed[data-review-stage="5"] {
    background: linear-gradient(135deg, #00BCD4 0%, #0097A7 100%);
}
.review-problem-item.reviewed[data-review-stage="6"] {
    background: linear-gradient(135deg, #8BC34A 0%, #689F38 100%);
}
.review-problem-item.reviewed .problem-number { color: white; }
.review-problem-item.reviewed .problem-title { color: rgba(255, 255, 255, 0.95); }
.review-problem-item.reviewed .review-count-badge {
    background: rgba(0, 0, 0, 0.2);
    color: white;
}

/* --- Floating Review Button --- */
.floating-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #FF9800 0%, #F57C00 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.4);
    cursor: pointer;
    z-index: 1000;
    user-select: none;
    transition: left 0.3s ease, top 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
}

.floating-btn .floating-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.floating-btn .floating-text {
    font-size: 0.75rem;
    font-weight: bold;
    margin-top: 2px;
}

.floating-btn.docked {
    opacity: 0.5;
}

.floating-btn.docked-left {
    left: 0 !important;
    transform: translateY(-50%) translateX(-40%);
}

.floating-btn.docked-right {
    left: auto !important;
    right: 0 !important;
    transform: translateY(-50%) translateX(40%);
}

.floating-btn.docked:hover {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* --- Review Groups (Dashboard) --- */
.review-group {
    margin-bottom: 0.5rem;
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.review-group-header {
    padding: 1rem 1.2rem;
    background: #f9f9f9;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    transition: background-color 0.2s;
    user-select: none;
}

.review-group-header:hover {
    background: #f0f0f0;
}

.review-group-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #333;
}

.review-group-badge {
    background: #e0e0e0;
    color: #555;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
}

.review-group-icon {
    transition: transform 0.3s ease;
    color: #888;
}

.review-group.expanded .review-group-icon {
    transform: rotate(180deg);
}

.review-group-content {
    display: none;
    padding: 1rem;
    border-top: 1px solid #eee;
}

.review-group.expanded .review-group-content {
    display: grid;
}

/* 自定义树状选择器 */
.custom-tree-select {
    position: relative;
    width: 280px;
    user-select: none;
}

.tree-select-trigger {
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid #ffcc80;
    background: #fff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #333;
    transition: 0.2s border;
}

.tree-select-trigger:hover {
    border-color: #ff9800;
}

.tree-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    min-width: 280px;
    max-height: 55vh;

    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    z-index: 1000;
    margin-top: 8px;
    display: none;
    padding: 8px 0;
}

.tree-select-dropdown.active {
    display: block;
}

.tree-optgroup-label {
    padding: 8px 12px;
    font-size: 0.9rem;
    font-weight: bold;
    color: #e65100;
    cursor: pointer;
    background: #fff8e1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tree-optgroup-label:hover {
    background: #ffecb3;
}

.tree-optgroup-content {
    display: none;
}

.tree-optgroup-content.active {
    display: block;
}

.tree-option {
    padding: 8px 12px 8px 24px;
    font-size: 0.9rem;
    cursor: pointer;
    color: #444;
}

.tree-option:hover {
    background: #f5f5f5;
    color: #ff9800;
}

/* details 折叠动画重置 */
.main-collapsible {
    margin-bottom: 2rem;
}

.main-collapsible-summary {
    list-style: none; 
    cursor: pointer;
    outline: none;
}

.main-collapsible-summary::-webkit-details-marker {
    display: none;
}

.main-collapsible-summary h3 > span:first-child {
    transition: transform 0.2s;
    font-size: 0.8rem;
    color: #888;
    display: inline-block;
}

.main-collapsible[open] .main-collapsible-summary h3 > span:first-child {
    transform: rotate(90deg);
}

/* --- Review Workspace Selectors: isolated component skin --- */
.review-workspace-stage-card {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.review-workspace-picker-custom,
.review-workspace-category-picker,
.review-workspace-tree-select,
.rw-selectbox {
    position: relative;
    width: 100%;
}

.review-workspace-select-hidden {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
}

.review-workspace-control-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) repeat(2, minmax(0, 1fr));
    gap: 1rem;
    width: 100%;
    align-items: end;
}

.review-workspace-control-actions {
    display: grid;
    grid-column: span 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    align-items: end;
}

.review-workspace-control-item {
    min-width: 0;
}

.review-workspace-control-item-category {
    min-width: 0;
}

.review-workspace-control-item-count {
    width: auto;
    min-width: 0;
}

.review-workspace-picker-stage {
    max-width: 100%;
}

.rw-selectbox {
    --rw-accent: #f97316;
    --rw-accent-soft: rgba(249, 115, 22, 0.14);
    --rw-border: #d7dee7;
    --rw-border-strong: #94a3b8;
    --rw-surface: #ffffff;
    --rw-surface-muted: #f5f7fa;
    --rw-text: #0f172a;
    --rw-text-muted: #64748b;
    --rw-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
    --rw-shadow-strong: 0 20px 44px rgba(15, 23, 42, 0.14);
    position: relative;
}

.rw-selectbox-trigger {
    width: 100%;
    min-height: 46px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.7rem;
    padding: 0.68rem 0.82rem;
    border: 1px solid var(--rw-border);
    border-radius: 14px;
    background: var(--rw-surface);
    box-shadow: var(--rw-shadow);
    text-align: left;
    cursor: pointer;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.rw-selectbox-trigger:hover {
    border-color: var(--rw-border-strong);
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.rw-selectbox.is-open .rw-selectbox-trigger,
.rw-selectbox-trigger:focus-visible {
    outline: none;
    border-color: var(--rw-accent);
    box-shadow: 0 0 0 4px var(--rw-accent-soft), var(--rw-shadow);
    background: linear-gradient(180deg, #ffffff 0%, #fffaf5 100%);
}

.rw-selectbox-trigger-text,
.rw-selectbox-option-main,
.rw-selectbox-group-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
}

.rw-selectbox-trigger-label {
    color: var(--rw-text);
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.35;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rw-selectbox-trigger-meta {
    color: var(--rw-text-muted);
    font-size: 0.74rem;
    line-height: 1.35;
}

.rw-selectbox-trigger-icon,
.rw-selectbox-group-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 999px;
    background: #f3f6f9;
    color: var(--rw-accent);
    font-size: 0.8rem;
    font-weight: 800;
    flex-shrink: 0;
    transition: transform 0.18s ease, background 0.18s ease;
}

.rw-selectbox.is-open .rw-selectbox-trigger-icon,
.rw-selectbox-group[open] .rw-selectbox-group-arrow {
    transform: rotate(180deg);
    background: #fff2e8;
}

.rw-selectbox-panel {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.55rem;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--rw-shadow-strong);
    backdrop-filter: blur(10px);
    box-sizing: border-box;
    z-index: 120;
    overflow-y: auto;
}

.rw-selectbox-panel-flat {
    position: absolute;
    top: calc(100% + 0.42rem);
    left: 0;
    right: 0;
    max-height: min(340px, 56vh);
}

.rw-selectbox.is-open .rw-selectbox-panel {
    display: flex;
}

#reviewWorkspaceCategoryTree .rw-selectbox-panel {
    position: absolute;
    top: calc(100% + 0.55rem);
    left: 0;
    width: min(360px, calc(100vw - 2rem));
    min-width: min(280px, calc(100vw - 2rem));
    max-width: 100%;
    max-height: min(56vh, 360px);
    margin-top: 0;
    padding-right: 0.45rem;
    box-shadow: 0 18px 38px rgba(15, 23, 42, 0.16);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.rw-selectbox-category.is-open .rw-selectbox-panel-category {
    display: block;
}

.rw-selectbox-option {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.72rem;
    padding: 0.74rem 0.8rem;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: #ffffff;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.rw-selectbox-option:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.07);
}

.rw-selectbox-option.is-selected {
    border-color: #fdba74;
    background: linear-gradient(180deg, #fffaf5 0%, #fff7ed 100%);
    box-shadow: 0 10px 22px rgba(249, 115, 22, 0.12);
}

.rw-selectbox-option.is-group-all {
    background: linear-gradient(180deg, #fcfdff 0%, #f8fafc 100%);
}

.rw-selectbox-option-root {
    border-style: dashed;
}

.rw-selectbox-option-title,
.rw-selectbox-group-title {
    color: #1e293b;
    font-size: 0.93rem;
    font-weight: 700;
    line-height: 1.35;
}

.rw-selectbox-option-subtitle,
.rw-selectbox-group-subtitle {
    color: #64748b;
    font-size: 0.76rem;
    line-height: 1.35;
}

.rw-selectbox-option-count,
.rw-selectbox-group-count {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 56px;
    padding: 0.26rem 0.58rem;
    border-radius: 999px;
    background: #f1f5f9;
    color: #ea580c;
    font-size: 0.74rem;
    font-weight: 800;
}

.rw-selectbox-group {
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    overflow: hidden;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.rw-selectbox-group-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.78rem 0.86rem;
    background: #f8fafc;
    cursor: pointer;
    user-select: none;
    list-style: none;
}

.rw-selectbox-group-summary::-webkit-details-marker {
    display: none;
}

.rw-selectbox-group-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rw-selectbox-children {
    display: grid;
    gap: 0.48rem;
    padding: 0.55rem 0.68rem 0.68rem;
    background: #ffffff;
}

#reviewWorkspaceCategoryTree .rw-selectbox-option-root {
    margin-bottom: 0.55rem;
}

#reviewWorkspaceCategoryTree .rw-selectbox-group {
    display: block;
}

#reviewWorkspaceCategoryTree .rw-selectbox-group + .rw-selectbox-group {
    margin-top: 0.55rem;
}

#reviewWorkspaceCategoryTree .rw-selectbox-group-summary,
#reviewWorkspaceCategoryTree .rw-selectbox-option {
    align-items: flex-start;
}

#reviewWorkspaceCategoryTree .rw-selectbox-children {
    padding-top: 0.5rem;
}

#reviewWorkspaceCategoryTree .rw-selectbox-option-title,
#reviewWorkspaceCategoryTree .rw-selectbox-group-title,
#reviewWorkspaceCategoryTree .rw-selectbox-option-subtitle,
#reviewWorkspaceCategoryTree .rw-selectbox-group-subtitle {
    white-space: normal;
    word-break: break-word;
}

.rw-selectbox-flat .rw-selectbox-option {
    min-width: 160px;
}

.rw-selectbox-empty {
    padding: 0.9rem;
    color: #64748b;
    font-size: 0.88rem;
}

.review-workspace-pick-section summary::-webkit-details-marker {
    display: none;
}

.review-workspace-pick-section summary {
    transition: background 0.2s;
    border-radius: 8px;
}

.review-workspace-pick-section summary:hover {
    background: rgba(148, 163, 184, 0.06);
}

.review-workspace-pick-section summary h3::after {
    content: "▼";
    font-size: 0.7rem;
    color: #f97316;
    display: inline-block;
    margin-left: 0.5rem;
    transition: transform 0.2s;
    transform: rotate(-90deg);
}

.review-workspace-pick-section[open] summary h3::after {
    transform: rotate(0deg);
}

.review-workspace-round-group summary::-webkit-details-marker {
    display: none;
}

.review-workspace-category-group summary::-webkit-details-marker {
    display: none;
}

@media (max-width: 768px) {
    .review-workspace-control-layout {
        grid-template-columns: 1fr;
    }

    .review-workspace-control-actions {
        grid-column: auto;
        grid-template-columns: 1fr;
        justify-content: stretch;
    }

    .review-workspace-control-item,
    .review-workspace-control-item-category,
    .review-workspace-control-item-count,
    .review-workspace-draw-btn {
        min-width: 100%;
        width: 100%;
        flex-basis: 100%;
    }

    .review-workspace-tree-trigger-label {
        white-space: normal;
    }

    #reviewWorkspaceCategoryTree .review-workspace-tree-panel,
    #reviewWorkspaceStagePicker .review-workspace-tree-panel,
    #reviewWorkspaceCountPicker .review-workspace-tree-panel {
        width: 100%;
        min-width: 0;
        max-height: 50vh;
    }

    #reviewWorkspaceCategoryTree .rw-selectbox-panel {
        width: min(100%, calc(100vw - 1.5rem));
        min-width: 0;
        left: 0;
        right: auto;
        max-height: 50vh;
    }
}