:root {
    --color-primary: #3188eb;
    --color-primary-hover: #317de1;
    --color-primary-light: #f1f8ff;
    --color-bg: #ffffff;
    --color-bg-secondary: #f6f8fa;
    --color-bg-tertiary: #fafbfc;
    --color-text: #24292e;
    --color-text-secondary: #586069;
    --color-text-tertiary: #6a737d;
    --color-border: #e1e4e8;
    --color-border-light: #eaecef;
    --color-success: #10b981;
    --color-success-bg: #d1fae5;
    --color-warning: #f59e0b;
    --color-warning-bg: #fef3c7;
    --color-error: #ef4444;
    --color-error-bg: #fee2e2;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    --ease-out: cubic-bezier(0.05, 0.7, 0.1, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 350ms;
}

:root[data-theme="dark"] {
    --color-bg: #0d1117;
    --color-bg-secondary: #161b22;
    --color-bg-tertiary: #21262d;
    --color-text: #c9d1d9;
    --color-text-secondary: #8b949e;
    --color-text-tertiary: #6e7681;
    --color-border: #30363d;
    --color-border-light: #21262d;
    --color-primary: #58a6ff;
    --color-primary-hover: #79b8ff;
    --color-primary-light: #388bfd26;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.5);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
*:focus { outline: none; }

body {
    font-family: 'Google Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.top-app-bar {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    animation: slideDown var(--duration-slow) var(--ease-out);
}

.app-bar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.app-bar-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    min-width: 0;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background-color: var(--color-bg-secondary);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    text-decoration: none;
    flex-shrink: 0;
}

.back-btn:hover {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.back-btn:active { transform: translateY(0); }

.app-title {
    font-family: 'Google Sans Display', 'Noto Sans SC', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-area {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    position: relative;
}

.login-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.login-avatar:hover {
    background: var(--color-primary-hover);
    transform: scale(1.05);
}

.user-info-container {
    position: relative;
    display: flex;
    align-items: center;
}

.user-avatar-wrapper { position: relative; }

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
    display: block;
}

.user-avatar-wrapper:hover .user-avatar {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(3, 102, 214, 0.4);
    border-color: var(--color-primary);
}

.user-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    min-width: 240px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    z-index: 1000;
    padding: 8px;
    pointer-events: none;
}

.user-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.user-menu-header {
    text-align: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 12px;
}

.user-menu-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto 8px;
    display: block;
    border: 2px solid var(--color-primary);
}

.user-menu-name {
    color: var(--color-primary);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.user-menu-badge {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    color: white;
    border-radius: 20px;
    font-size: 12px;
}

.user-menu-items {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.user-menu-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    color: var(--color-text);
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.2s ease;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 14px;
    width: 100%;
    text-align: left;
    font-family: inherit;
}

.user-menu-item:hover { background-color: var(--color-bg-secondary); }

.user-menu-divider {
    height: 1px;
    background: var(--color-border);
    margin: 8px 0;
}

.theme-menu-item { position: relative; }

.theme-submenu {
    position: absolute;
    right: calc(100% + 8px);
    top: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    padding: 4px;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all 0.2s ease;
}

.theme-menu-item:hover .theme-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.theme-submenu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
}

.theme-submenu-item:hover { background-color: var(--color-bg-secondary); }

.theme-check {
    margin-left: auto;
    color: var(--color-primary);
    font-weight: bold;
}

.search-container {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 32px 24px;
    padding-bottom: 80px;
    overflow-x: hidden;
}

.search-box {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
    transition: all var(--duration-normal) var(--ease-out);
    animation: fadeInUp var(--duration-slow) var(--ease-out);
}

.search-box:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.search-controls {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: stretch;
}

.input-wrapper {
    position: relative;
    flex: 1 1 300px;
    min-width: 0;
    display: flex;
    align-items: center;
}

.input-wrapper .material-icons-round {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-tertiary);
    font-size: 20px;
    pointer-events: none;
    transition: color var(--duration-fast) ease;
    z-index: 10;
}

.search-input {
    width: 100%;
    padding: 12px 14px 12px 44px;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    color: var(--color-text);
    transition: all var(--duration-fast) ease;
    font-family: inherit;
    position: relative;
    z-index: 1;
}

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

.search-input:hover {
    border-color: var(--color-primary);
    background-color: var(--color-bg);
}

.search-input:focus {
    border-color: var(--color-primary);
    background-color: var(--color-bg);
    box-shadow: 0 0 0 3px var(--color-primary-light);
    z-index: 1;
}

.input-wrapper:focus-within .material-icons-round { color: var(--color-primary); }

.custom-select-wrapper {
    position: relative;
    flex: 0 0 auto;
    min-width: 110px;
}

.custom-select-trigger {
    padding: 12px 36px 12px 14px;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    white-space: nowrap;
}

.custom-select-trigger:hover {
    border-color: var(--color-primary);
    background-color: var(--color-bg);
}

.custom-select-trigger.active {
    border-color: var(--color-primary);
    background-color: var(--color-bg);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.custom-select-trigger .arrow {
    position: absolute;
    right: 12px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--color-text-secondary);
    transition: transform var(--duration-fast) ease;
}

.custom-select-trigger.active .arrow {
    transform: rotate(180deg);
    border-top-color: var(--color-primary);
}

.custom-select-options {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--duration-fast) ease;
    max-height: 300px;
    overflow-y: auto;
}

.custom-select-options.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.custom-select-option {
    padding: 10px 14px;
    font-size: 14px;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.custom-select-option:hover { background-color: var(--color-bg-secondary); }

.custom-select-option.selected {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 500;
}

.custom-select-option .check-icon {
    margin-left: auto;
    font-size: 16px;
    opacity: 0;
}

.custom-select-option.selected .check-icon { opacity: 1; }

.search-select {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 0;
    height: 0;
}

.search-btn {
    padding: 12px 28px;
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    box-shadow: var(--shadow-sm);
    font-family: inherit;
    min-height: 48px;
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 0 0 auto;
    white-space: nowrap;
}

.search-btn:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.search-btn:active:not(:disabled) { transform: translateY(0); }

.search-btn:disabled {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-tertiary);
    box-shadow: none;
    cursor: not-allowed;
}

.search-btn.loading .search-icon { display: none; }

.search-btn.loading .loading-icon {
    display: flex;
    animation: spin 1s linear infinite;
}

.search-btn .loading-icon { display: none; }
.search-btn .search-icon { display: flex; }

.search-history {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 20px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    max-height: 500px;
    overflow: hidden;
    transition: opacity var(--duration-normal) var(--ease-out),
                visibility var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out),
                max-height var(--duration-normal) var(--ease-out),
                margin var(--duration-normal) var(--ease-out),
                padding var(--duration-normal) var(--ease-out);
    animation: slideDownFade var(--duration-slow) var(--ease-out) both;
}

@keyframes slideDownFade {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 搜索后添加 hidden 类来隐藏 */
.search-history.hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    max-height: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
    animation: none;
}

.search-history:hover { box-shadow: var(--shadow-md); }

.search-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.search-history-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.clear-history-btn {
    padding: 6px 12px;
    background-color: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.clear-history-btn:hover {
    background-color: var(--color-error-bg);
    color: var(--color-error);
    border-color: var(--color-error);
}

.search-history-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.search-history-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    position: relative;
    padding-right: 28px;
}

.search-history-item:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.search-history-item .material-icons-round {
    font-size: 14px;
    opacity: 0.7;
}

.search-history-item .delete-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--color-bg-tertiary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--duration-fast) ease;
    padding: 0;
}

.search-history-item .delete-btn .material-icons-round {
    font-size: 12px;
    color: var(--color-text-secondary);
    opacity: 1;
}

.search-history-item:hover .delete-btn {
    opacity: 1;
}

.search-history-item .delete-btn:hover {
    background-color: var(--color-error-bg);
}

.search-history-item .delete-btn:hover .material-icons-round {
    color: var(--color-error);
}

.search-history-empty {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-style: italic;
}

.results-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.result-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--ease-out);
    animation: slideInUp var(--duration-slow) var(--ease-out) both;
    position: relative;
}

.result-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.result-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.result-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
    line-height: 1.4;
}

.result-artist {
    font-size: 14px;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.result-artist::before {
    content: 'person';
    font-family: 'Material Icons Round';
    font-size: 14px;
    opacity: 0.6;
}

.result-album {
    font-size: 13px;
    color: var(--color-text-tertiary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.result-album::before {
    content: 'album';
    font-family: 'Material Icons Round';
    font-size: 14px;
    opacity: 0.6;
}

.lyric-matches {
    margin-top: 12px;
    padding: 16px;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
}

.lyric-matches-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.lyric-matches-title::before {
    content: 'lyrics';
    font-family: 'Material Icons Round';
    font-size: 16px;
}

.lyric-match-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.6;
}

.lyric-match-item:last-child { margin-bottom: 0; }

.lyric-time {
    color: var(--color-text-tertiary);
    font-family: 'SF Mono', monospace;
    font-size: 12px;
    min-width: 44px;
    text-align: right;
    padding-top: 2px;
    flex-shrink: 0;
}

.lyric-text {
    flex: 1;
    color: var(--color-text);
}

.lyric-text mark {
    background-color: var(--color-primary);
    color: #fff;
    padding: 1px 5px;
    border-radius: 3px;
    font-weight: 500;
}

.lyric-more {
    font-size: 12px;
    color: var(--color-text-tertiary);
    font-style: italic;
    margin-top: 8px;
    text-align: center;
}

.result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    transition: all var(--duration-fast) ease;
}

.meta-chip:hover { transform: scale(1.05); }

.meta-chip.result-timestamp {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.meta-chip.result-platform {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.meta-chip.result-author {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.meta-chip .material-icons-round { font-size: 12px; }

.result-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    text-decoration: none;
    font-family: inherit;
}

.action-btn.play-btn {
    background-color: var(--color-success);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.action-btn.play-btn:hover:not(:disabled) {
    background-color: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.action-btn.play-btn:disabled {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-tertiary);
    cursor: not-allowed;
    box-shadow: none;
}

.action-btn.play-btn.loading .btn-icon { display: none; }

.action-btn.play-btn.loading .loading-icon {
    display: inline-flex;
    animation: spin 1s linear infinite;
}

.action-btn.play-btn .loading-icon { display: none; }
.action-btn.play-btn .btn-icon { display: inline-flex; }

.action-btn.link-btn {
    background-color: var(--color-bg-secondary);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.action-btn.link-btn:hover {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-1px);
}

.result-card.special-display {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-bg));
    border-color: var(--color-primary);
}

.special-display-images {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.special-display-main-image {
    width: 100%;
    max-width: 280px;
    height: auto;
    border-radius: var(--radius-lg);
    margin-bottom: 12px;
    box-shadow: var(--shadow-md);
    transition: transform var(--duration-normal) var(--ease-out);
}

.special-display-main-image:hover { transform: scale(1.02); }

.special-display-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.special-tag {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration-fast) ease;
}

.special-tag:hover { transform: scale(1.1); }

.special-member-images {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.member-image {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration-fast) ease;
}

.member-image:hover { transform: scale(1.1); }

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    animation: fadeIn var(--duration-normal) ease;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

.loading-text {
    font-size: 15px;
    color: var(--color-text-secondary);
}

.no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    animation: fadeInUp var(--duration-slow) var(--ease-out);
}

.no-results .material-icons-round {
    font-size: 56px;
    color: var(--color-text-tertiary);
    opacity: 0.5;
    margin-bottom: 16px;
    animation: bounce 2s infinite;
}

.no-results h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.no-results p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.toast {
    position: fixed;
    top: 80px;
    right: 24px;
    min-width: 280px;
    max-width: 400px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    color: #fff;
    z-index: 1000;
    animation: slideInRight var(--duration-slow) var(--ease-out);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.toast.info { background-color: var(--color-primary); }
.toast.success { background-color: var(--color-success); }
.toast.warning { background-color: var(--color-warning); }
.toast.error { background-color: var(--color-error); }

.toast .material-icons-round {
    font-size: 20px;
    flex-shrink: 0;
}

.status-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.status-btn {
    padding: 8px 16px;
    background-color: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-btn:hover:not(:disabled) {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.status-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.status-btn.primary:hover:not(:disabled) { background-color: var(--color-primary-hover); }

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

.status-btn.secondary {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text);
}

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

.status-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 24px;
    margin: 16px 0;
    box-shadow: var(--shadow-md);
    animation: fadeInUp var(--duration-slow) var(--ease-out);
}

.status-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pagination {
    margin-top: 32px;
    padding: 20px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.pagination-info {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.pagination-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    font-family: inherit;
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-btn .material-icons-round { font-size: 18px; }

.pagination-pages {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pagination-page-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 8px;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    font-family: inherit;
}

.pagination-page-btn:hover:not(.active) {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-primary);
}

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

.pagination-ellipsis {
    color: var(--color-text-tertiary);
    padding: 0 4px;
}

.status-info {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.status-info p { margin-bottom: 8px; }
.status-info strong { color: var(--color-text); }

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@media (max-width: 768px) {
    .app-bar-content {
        padding: 12px 16px;
        gap: 12px;
    }

    .app-bar-left { gap: 10px; }
    .app-title { font-size: 17px; }

    .back-btn {
        padding: 6px 10px;
        font-size: 13px;
    }

    .back-btn span:first-child { font-size: 18px; }

    .search-container { padding: 16px; }

    .search-box,
    .search-history { padding: 16px; }

    .search-controls {
        flex-direction: column;
        gap: 10px;
    }

    .input-wrapper {
        flex: 1 1 auto;
        min-width: 0;
    }

    .search-input,
    .search-select,
    .search-btn { width: 100%; }

    .search-btn {
        min-height: 44px;
        justify-content: center;
    }

    .result-meta,
    .result-actions { flex-direction: column; }

    .meta-chip,
    .action-btn {
        width: 100%;
        justify-content: center;
    }

    .toast {
        left: 16px;
        right: 16px;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .app-bar-content { padding: 10px 12px; }
    .app-title { font-size: 15px; }

    .back-btn {
        padding: 5px 8px;
        font-size: 12px;
    }

    .back-btn span:first-child { font-size: 16px; }
    .back-btn span:last-child { display: none; }

    .search-input {
        font-size: 16px;
        padding: 12px 12px 12px 40px;
    }

    .input-wrapper .material-icons-round {
        left: 12px;
        font-size: 18px;
    }

    .search-select {
        font-size: 14px;
        padding: 12px;
    }

    .search-btn {
        font-size: 14px;
        padding: 12px 20px;
    }
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track { background: var(--color-bg-secondary); }

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover { background: var(--color-text-tertiary); }