body {
    font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-base);
    color: var(--text-color);
    /* iOS Safari safe area対応 */
    padding-top: calc(56px + env(safe-area-inset-top, 0px));
    padding-bottom: calc(50px + env(safe-area-inset-bottom, 0px));
    line-height: 1.5;
}

/* frontend-design SKILL: 段階的カード出現アニメーション */
@keyframes cardFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.grid-item {
    animation: cardFadeIn 0.3s ease-out both;
}

/* ホバーで微細なリフト効果 */
.card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Footer Panel */
.footer-panel {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-subtle);
    z-index: 1050;
    padding: 4px 8px;
    padding-bottom: calc(4px + env(safe-area-inset-bottom, 0px));
}

.footer-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-row-1 {
    padding: 2px 0;
}

/* footer-row-2 removed: unified into single row */

.footer-panel .btn {
    font-size: 0.75rem;
    padding: 2px 8px;
}

.footer-panel .btn-group .btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

/* 検索入力 */
.footer-panel .search-input {
    width: 100px;
    font-size: 0.8rem;
}

/* 日付入力 */
.footer-panel .date-input {
    width: 130px;
    font-size: 0.75rem;
    padding: 2px 4px;
}

.footer-panel .date-nav {
    flex-shrink: 0;
}

/* PC: 1行表示 */
@media (min-width: 768px) {
    .footer-panel {
        height: auto;
    }
    .footer-row-1 {
        justify-content: flex-start;
    }
    .footer-panel .search-input {
        width: 120px;
    }
}

/* モバイル: 2行表示 */
@media (max-width: 767px) {
    body {
        padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px));
    }
    .footer-row-1 {
        justify-content: space-between;
        gap: 6px;
    }
    .footer-panel .search-input {
        width: 80px;
    }
    .footer-panel .date-input {
        width: 100px;
    }
    /* 自動スクロールコントロールはモバイルでは非表示（☰メニュー内に移動） */
    .autoscroll-controls {
        display: none !important;
    }
}

/* Font Size Classes */
body.font-xs .card-title,
body.font-xs .card.text-only .card-title { font-size: 0.6rem !important; line-height: 1.3 !important; }
body.font-xs .card-meta { font-size: 0.5rem !important; }

body.font-sm .card-title,
body.font-sm .card.text-only .card-title { font-size: 0.75rem !important; line-height: 1.35 !important; }
body.font-sm .card-meta { font-size: 0.6rem !important; }

body.font-md .card-title,
body.font-md .card.text-only .card-title { font-size: 0.95rem !important; line-height: 1.4 !important; }
body.font-md .card-meta { font-size: 0.7rem !important; }

body.font-lg .card-title,
body.font-lg .card.text-only .card-title { font-size: 1.2rem !important; line-height: 1.45 !important; }
body.font-lg .card-meta { font-size: 0.85rem !important; }

body.font-xl .card-title,
body.font-xl .card.text-only .card-title { font-size: 1.5rem !important; line-height: 1.5 !important; }
body.font-xl .card-meta { font-size: 1.0rem !important; }

body.font-xxl .card-title,
body.font-xxl .card.text-only .card-title { font-size: 1.9rem !important; line-height: 1.55 !important; }
body.font-xxl .card-meta { font-size: 1.2rem !important; }

/* Modern Header */
.navbar {
    background: var(--bg-elevated) !important;
    border-bottom: 1px solid var(--border-subtle);
    height: calc(56px + env(safe-area-inset-top, 0px));
    padding-top: env(safe-area-inset-top, 0px);
    z-index: 1050;
}

/* Navigation */
.navbar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 2px;
}

.nav-link {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary) !important;
    transition: all var(--transition-fast);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-color) !important;
    background: var(--bg-surface);
}

.nav-link.active {
    color: var(--primary-light) !important;
    background: rgba(99, 102, 241, 0.15);
}

/* Dropdown */
.dropdown-menu {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    padding: 4px;
    max-height: none;
    overflow: visible;
}

.dropdown-item {
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item.active {
    background: var(--bg-surface);
    color: var(--text-color);
}

/* Grid Layout - CSS Grid for tight packing */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1px;
    padding: 0;
}

/* サイズ別グリッドカラム */
body.font-xs .calendar-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
}
body.font-sm .calendar-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}
body.font-md .calendar-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
body.font-lg .calendar-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
body.font-xl .calendar-grid {
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
}
body.font-xxl .calendar-grid {
    grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
}

.grid-item {
    content-visibility: auto;
    contain-intrinsic-size: 120px;
}

/* Modern Card Design */
.card {
    background: var(--bg-card);
    border-width: 1px;
    border-style: solid;
    border-color: var(--border-color);
    border-radius: 0;
    overflow: hidden;
    height: 100%;
}

.card-img-wrapper {
    width: 100%;
    background: var(--bg-elevated);
    position: relative;
}

.card-img-top {
    width: 100%;
    height: auto;
    display: block;
}

.card-body {
    padding: 6px 8px;
}

/* Image Card Overlay */
.card.has-image .card-body {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    padding: 20px 8px 6px;
}

.card.has-image .card-title {
    color: #fff;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

/* Card Title */
.card-title {
    font-size: 0.7rem;
    line-height: 1.3;
    margin-bottom: 2px;
    color: var(--text-color);
    font-weight: 500;
    overflow-wrap: break-word;
    word-break: break-word;
}

.card.text-only .card-title {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-secondary);
}

/* Card Meta */
.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.6rem;
    color: var(--text-muted);
    gap: 4px;
}

/* Favorite Comment */
/* Favorites mode: cards expand to show full comments */
body.favorites-mode .card {
    height: auto;
    overflow: visible;
}
body.favorites-mode .card.has-image .card-body {
    position: relative;
    background: var(--bg-card);
    padding: 6px 8px;
}

.card-comment {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 2px 0 4px;
    padding: 3px 6px;
    line-height: 1.3;
    border-left: 2px solid rgba(255, 193, 7, 0.4);
    background: rgba(255, 193, 7, 0.05);
}
.card-meta-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Domain Badge */
.domain-badge {
    background: var(--bg-surface);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 0.6rem;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-muted);
    text-decoration: none;
    transition: all var(--transition-fast);
}

a.domain-badge:hover {
    background: var(--bg-elevated);
    color: var(--text-secondary);
}

/* Genre/Theme Tag Badges */
.tag-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-top: 4px;
}

.genre-badge {
    background: rgba(139, 92, 246, 0.3);
    color: #c4b5fd;
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.6rem;
    font-weight: 600;
    border: 1px solid rgba(139, 92, 246, 0.4);
}

.clickable-tag {
    cursor: pointer;
    transition: all var(--transition-fast);
}
.clickable-tag:hover {
    filter: brightness(1.3);
    transform: scale(1.05);
}

.theme-chip {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
    padding: 1px 5px;
    border-radius: var(--radius-sm);
    font-size: 0.55rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-chip:hover {
    background: rgba(59, 130, 246, 0.35);
    color: #bfdbfe;
}

.theme-chip.theme-more {
    color: var(--text-muted);
    cursor: default;
}

.origin-badge {
    background: rgba(234, 179, 8, 0.15);
    color: #fcd34d;
    padding: 1px 5px;
    border-radius: var(--radius-sm);
    font-size: 0.55rem;
    border: 1px solid rgba(234, 179, 8, 0.25);
}

/* Tag Cloud Panel */
.tag-cloud-panel {
    position: fixed;
    bottom: 50px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 8px 15px;
    z-index: 999;
    max-height: 40vh;
    overflow-y: auto;
}

.tag-cloud-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.tag-cloud-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ON/OFF Toggle Switch */
.tag-filter-switch {
    position: relative;
    display: inline-block;
    width: 34px;
    height: 18px;
    cursor: pointer;
}

.tag-filter-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.tag-filter-slider {
    position: absolute;
    inset: 0;
    background: #4b5563;
    border-radius: 18px;
    transition: background 0.2s;
}

.tag-filter-slider::before {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    left: 2px;
    bottom: 2px;
    background: #9ca3af;
    border-radius: 50%;
    transition: transform 0.2s, background 0.2s;
}

.tag-filter-switch input:checked + .tag-filter-slider {
    background: #2563eb;
}

.tag-filter-switch input:checked + .tag-filter-slider::before {
    transform: translateX(16px);
    background: #fff;
}

/* パネル無効時 */
.tag-cloud-panel.disabled .tag-cloud-body {
    opacity: 0.3;
    pointer-events: none;
}

.tag-cloud-panel.disabled .tag-cloud-controls {
    opacity: 0.3;
    pointer-events: none;
}

.tag-cloud-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tag-cloud-section {
    margin-bottom: 0;
}

.tag-cloud-section-label {
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 3px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.tag-cloud-items {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.tag-cloud-item {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.tag-cloud-item.genre {
    background: rgba(139, 92, 246, 0.15);
    color: #c4b5fd;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.tag-cloud-item.theme {
    background: rgba(59, 130, 246, 0.1);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.tag-cloud-item.origin {
    background: rgba(234, 179, 8, 0.1);
    color: #fcd34d;
    border: 1px solid rgba(234, 179, 8, 0.15);
}

.tag-cloud-item.selected {
    background: #3b82f6;
    color: #fff !important;
    border: 2px solid #93c5fd;
    font-weight: 700;
}
.tag-cloud-item.selected::before {
    content: "\2713 ";
}

.tag-cloud-item.genre.selected {
    background: #7c3aed;
    border-color: #c4b5fd;
}

.tag-cloud-item.origin.selected {
    background: #d97706;
    border-color: #fcd34d;
}

.tag-cloud-item .tag-count {
    font-size: 0.55rem;
    opacity: 0.6;
    margin-left: 2px;
}

.tag-cloud-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tag-mode-toggle {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.65rem;
    cursor: pointer;
}

.tag-mode-toggle.active {
    background: rgba(59, 130, 246, 0.3);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.5);
}

.tag-clear-btn {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.65rem;
    cursor: pointer;
}

/* Text Only Card */
.card.text-only .card-body {
    padding: 8px;
    position: static;
    background: transparent;
}

/* Tweet Styling */
.grid-item.is-tweet .card {
    background: var(--bg-elevated);
    border-color: rgba(29, 161, 242, 0.2);
}

.grid-item.is-tweet .card-title {
    color: var(--text-color);
}

/* NG Content */
.card.ng-content {
    opacity: 0.3;
    filter: grayscale(80%);
}

.card.ng-content:hover {
    opacity: 0.5;
    filter: grayscale(40%);
}

/* OK Keyword Gradient - 多いほど明るく目立つ */
.card.ok-gradient-1 {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), var(--bg-card));
    border-color: rgba(16, 185, 129, 0.3) !important;
}
.card.ok-gradient-2 {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.25), var(--bg-card));
    border-color: rgba(16, 185, 129, 0.5) !important;
}
.card.ok-gradient-3 {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.35), var(--bg-card));
    border-color: rgba(16, 185, 129, 0.7) !important;
}
.card.ok-gradient-4 {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.45), rgba(16, 185, 129, 0.15));
    border-color: var(--accent-emerald) !important;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.3);
}

/* NG Keyword Gradient - 多いほど暗く目立たない */
.card.ng-gradient-1 {
    opacity: 0.7;
    filter: grayscale(20%);
}
.card.ng-gradient-2 {
    opacity: 0.5;
    filter: grayscale(40%);
}
.card.ng-gradient-3 {
    opacity: 0.35;
    filter: grayscale(60%);
}
.card.ng-gradient-4 {
    opacity: 0.2;
    filter: grayscale(80%);
}

/* NG gradient hover - ホバーで少し見やすく */
.card.ng-gradient-1:hover,
.card.ng-gradient-2:hover,
.card.ng-gradient-3:hover,
.card.ng-gradient-4:hover {
    opacity: 0.6;
    filter: grayscale(30%);
}

/* Keyword Highlights */
.keyword-ok {
    background: rgba(16, 185, 129, 0.25);
    color: var(--accent-emerald);
    padding: 0 3px;
    border-radius: 3px;
    font-weight: 500;
}

.keyword-ng {
    background: rgba(244, 63, 94, 0.2);
    color: var(--text-muted);
    padding: 0 3px;
    border-radius: 3px;
}

.search-highlight {
    background: rgba(99, 102, 241, 0.3);
    color: var(--primary-light);
    padding: 0 3px;
    border-radius: 3px;
    font-weight: 500;
}

/* Favorite Star */
.favorite-star-inline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    cursor: pointer;
    opacity: 0.4;
    transition: all var(--transition-fast);
}

.favorite-star-inline:hover {
    opacity: 1;
    transform: scale(1.15);
}

.favorite-star-inline.active {
    opacity: 1;
}

.favorite-star-inline svg {
    width: 100%;
    height: 100%;
}

/* Meta Buttons (Search, Copy) */
.meta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    cursor: pointer;
    opacity: 0.4;
    transition: all var(--transition-fast);
    font-size: 0.7rem;
    text-decoration: none;
    color: inherit;
}

.meta-btn:hover {
    opacity: 1;
    transform: scale(1.15);
}

.copy-btn.copied {
    opacity: 1;
    color: var(--accent-emerald);
}

.rating-like {
    opacity: 0.25;
    transition: opacity var(--transition-fast), filter var(--transition-fast);
}

.rating-like:hover {
    opacity: 0.7;
}

.rating-like.active {
    opacity: 1;
    filter: drop-shadow(0 0 4px #4ade80);
}

/* Favorites Toggle */
.favorites-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
}

.favorites-toggle:hover {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--accent-amber);
    color: var(--accent-amber);
}

.favorites-toggle.active {
    background: rgba(245, 158, 11, 0.15);
    border-color: var(--accent-amber);
    color: var(--accent-amber);
}

/* Search Input */
.search-input {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-input:focus {
    background: var(--bg-elevated);
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

/* Date Input */
.date-input {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: var(--radius-md);
}

.date-input:focus {
    background: var(--bg-elevated);
    border-color: var(--primary-color);
    outline: none;
}

/* Loading Indicator */
@keyframes loadingPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

#loading {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    display: none;
    z-index: 1000;
    color: var(--text-secondary);
    font-size: 0.85rem;
    animation: loadingPulse 1.5s ease-in-out infinite;
    box-shadow: var(--shadow-lg);
}

/* Reload Spinner Overlay */
.reload-spinner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.reload-spinner.show {
    display: flex;
}

/* Button Styles */
.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-muted);
    transition: all var(--transition-fast);
    border-radius: var(--radius-md);
}

.btn-outline-secondary:hover {
    background: var(--bg-surface);
    border-color: var(--border-color);
    color: var(--text-color);
}

#thumb-mode-btn.active,
#stats-btn.active {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--primary-color);
    color: var(--primary-light);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-link {
        padding: 4px 8px;
        font-size: 0.75rem;
    }

    .search-input {
        min-width: 100px;
    }

    .grid-item {
        padding: 2px;
    }

    .card-body {
        padding: 8px;
    }
}

/* Nested Submenu Styles */
.dropdown-submenu {
    position: relative;
}

.dropdown-submenu > .dropdown-menu {
    top: 0;
    left: 100%;
    margin-top: -1px;
    margin-left: 0;
}

.dropdown-submenu > a::after {
    content: '▶';
    float: right;
    margin-left: 10px;
    font-size: 0.7em;
}

.dropdown-submenu:hover > .dropdown-menu,
.dropdown-submenu.show > .dropdown-menu {
    display: block;
}

/* Adjust for mobile - stack vertically */
@media (max-width: 768px) {
    .dropdown-submenu > .dropdown-menu {
        position: relative;
        left: 0;
        margin-left: 15px;
        box-shadow: none;
        border: none;
        background: transparent;
    }
    
    .dropdown-submenu > a::after {
        content: '▼';
    }
    
    .dropdown-submenu.show > a::after {
        content: '▲';
    }
}

/* Force submenu display */
.dropdown-submenu > .dropdown-menu {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    margin-top: -1px;
    margin-left: 0;
    min-width: 160px;
}

.dropdown-submenu:hover > .dropdown-menu {
    display: block !important;
}

.dropdown-menu .dropdown-submenu {
    position: relative;
}

/* Fix: サブメニューを持つドロップダウンはoverflowをvisibleに（PC横展開用） */
@media (min-width: 769px) {
    .dropdown-menu:has(.dropdown-submenu) {
        overflow: visible;
        max-height: none;
    }
}

/* Nested Submenu Styles - 詳細度を上げて.dropdown-menuに勝つ */
.dropdown-menu.scrollable-menu {
    max-height: 70vh;
    overflow-y: auto;
}

.dropdown-submenu {
    position: relative;
}

.dropdown-item-wrapper {
    display: flex;
    align-items: center;
    gap: 4px;
}

.submenu-toggle {
    cursor: pointer;
    font-size: 0.7rem;
    width: 16px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    flex-shrink: 0;
}

.submenu-toggle:hover {
    color: rgba(255, 255, 255, 0.9);
}

.submenu-parent {
    flex: 1;
}

.submenu-children {
    list-style: none;
    padding: 0;
    margin: 0;
}

.submenu-children.collapsed {
    display: none;
}

.dropdown-submenu .dropdown-item {
    padding: 0.25rem 1rem;
    font-size: 0.875rem;
}


/* Caption Off Mode */
body.hide-captions .card-title {
    display: none !important;
}

body.hide-captions .card.has-image .card-body {
    padding: 4px 6px !important;
}

body.hide-captions .card-meta {
    font-size: 0.65rem !important;
}

/* Solo Mode (1 Slot) - Fullscreen */
body.solo-mode {
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
}

body.solo-mode .navbar,
body.solo-mode .footer-panel,
body.solo-mode #loading-indicator,
body.solo-mode #tag-cloud-panel {
    display: none !important;
}

body.solo-mode .calendar-grid {
    display: block !important;
    position: fixed;
    inset: 0;
    padding: 0 !important;
    margin: 0 !important;
    gap: 0 !important;
    background: #000;
    z-index: 2000;
}

body.solo-mode .grid-item {
    display: none !important;
    animation: none !important;
    content-visibility: visible !important;
    contain-intrinsic-size: auto !important;
    padding: 0 !important;
    margin: 0 !important;
}

body.solo-mode .grid-item.solo-active {
    display: block !important;
    width: 100vw;
    height: 100vh;
    position: absolute;
    inset: 0;
}

body.solo-mode .grid-item.solo-active .card,
body.solo-mode .grid-item.solo-active .card.has-image {
    background: #000 !important;
    border: none !important;
    border-radius: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    transform: none !important;
    transition: none !important;
    box-shadow: none !important;
}

body.solo-mode .grid-item.solo-active .card-link {
    display: block;
    width: 100vw;
    height: 100vh;
    text-decoration: none !important;
}

body.solo-mode .grid-item.solo-active .card-img-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100vh;
    margin: 0 !important;
    padding: 0 !important;
    background: #000 !important;
    position: static !important;
}

body.solo-mode .grid-item.solo-active .card-img-top {
    display: block;
    max-width: 100vw !important;
    max-height: 100vh !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
    margin: 0 !important;
    padding: 0 !important;
}

body.solo-mode .grid-item.solo-active .card-body,
body.solo-mode .grid-item.solo-active .card.has-image .card-body {
    position: absolute !important;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 8px 16px !important;
    background: linear-gradient(transparent, rgba(0,0,0,0.85)) !important;
    text-align: center;
    z-index: 1;
}

body.solo-mode .grid-item.solo-active .card-title {
    font-size: 1rem !important;
    line-height: 1.4 !important;
    color: #fff !important;
}

body.solo-mode .grid-item.solo-active .card-meta {
    font-size: 0.8rem !important;
    justify-content: center;
}

/* text-only in solo */
body.solo-mode .grid-item.solo-active .card.text-only {
    display: flex;
    align-items: center;
    justify-content: center;
}

body.solo-mode .grid-item.solo-active .card.text-only .card-body {
    position: static !important;
    background: rgba(30,30,40,0.95) !important;
    border-radius: var(--radius-lg);
    max-width: 700px;
    padding: 32px !important;
}

body.solo-mode .grid-item.solo-active .card.text-only .card-title {
    font-size: 1.6rem !important;
    line-height: 1.6 !important;
}

#solo-mode-btn.active,
#solo-mode-btn-mobile.active {
    background: var(--bs-danger) !important;
    color: #fff !important;
}

/* Solo mode hint overlay */
.solo-hint {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.85);
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    z-index: 9999;
    pointer-events: none;
    white-space: nowrap;
}

/* Solo action feedback - disabled */
.solo-feedback {
    display: none !important;
}

/* フッターセパレーター */
.footer-sep {
    display: inline-block;
    width: 1px;
    height: 20px;
    background: var(--border-subtle);
    margin: 0 2px;
    vertical-align: middle;
    opacity: 0.5;
}


/* Top Progress Bar */
.top-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--primary-color);
    z-index: 9999;
    transition: width 0.3s ease, opacity 0.3s ease;
    border-radius: 0 2px 2px 0;
}
.top-progress-bar.progress-active {
    width: 85%;
    animation: progressPulse 1.5s ease-in-out infinite;
}
@keyframes progressPulse {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* X (Twitter) badge for keyword tweet cards */
.x-badge {
    display: inline-block;
    font-weight: 700;
    font-size: 11px;
    color: #1d9bf0;
    background: rgba(29,155,240,0.12);
    border: 1px solid rgba(29,155,240,0.3);
    border-radius: 3px;
    padding: 0 4px;
    margin-right: 4px;
    vertical-align: middle;
    line-height: 16px;
}