/* Search Block - iOS-style Card */
.search-block {
background: var(--bg-primary);
border-radius: var(--radius-xl);
padding: 2rem;
box-shadow: var(--shadow-md);
margin-bottom: 2rem;
border: 1px solid var(--border-color);
position: relative;
overflow: hidden;
}
/* Hero Section in Search */
.search-hero {
text-align: center;
margin-bottom: 2rem;
}
.search-title {
font-size: 2.5rem;
font-weight: 700;
background: var(--gradient-primary);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
margin-bottom: 0.5rem;
line-height: 1.2;
}
.search-subtitle {
font-size: 1.1rem;
color: var(--text-secondary);
font-weight: 400;
}
.search-subtitle strong {
color: var(--primary-color);
font-weight: 600;
}
@media (max-width: 768px) {
.search-hero {
margin-bottom: 1.5rem;
}
.search-title {
font-size: 1.75rem;
}
.search-subtitle {
font-size: 0.9rem;
}
}
/* Search Input with Wrapper */
.search-input-container {
position: relative;
display: flex;
gap: 0.75rem;
align-items: center;
flex-wrap: wrap;
margin-bottom: 1rem;
transition: all 0.3s ease;
}
/* Make search input sticky when panel is active */
body.panel-open .search-input-container {
position: sticky;
top: 0;
z-index: 100;
background: var(--bg-primary);
padding: 1rem;
margin: -1rem -1rem 1rem -1rem;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
border-radius: var(--radius-lg);
backdrop-filter: blur(10px);
}
body.panel-open .search-input {
background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(240,244,255,0.95) 100%);
box-shadow: 0 2px 8px rgba(32, 128, 128, 0.15);
}
/* Search Toolbar - Compact Layout */
.search-toolbar {
display: flex;
flex-direction: column;
gap: 0.5rem;
margin-bottom: 1rem;
padding: 0.5rem 0.75rem;
background: var(--bg-tertiary);
border-radius: var(--radius-lg);
border: 1px solid var(--border-color);
}
.toolbar-row {
display: flex;
align-items: center;
gap: 0.5rem;
flex-wrap: wrap;
}
.toolbar-row.main-toolbar {
gap: 0.5rem;
}
.toolbar-separator {
width: 1px;
height: 32px;
background: var(--border-color);
margin: 0 0.5rem;
display: block;
}
.toolbar-row.filter-row {
padding-top: 0.75rem;
margin-top: 0.25rem;
border-top: 1px dashed var(--border-color);
animation: filterSlideDown 0.3s ease-out;
}
@keyframes filterSlideDown {
from {
opacity: 0;
max-height: 0;
padding-top: 0;
margin-top: 0;
}
to {
opacity: 1;
max-height: 100px;
padding-top: 0.75rem;
margin-top: 0.25rem;
}
}
.search-type-group {
display: flex;
gap: 0.5rem;
flex: 1;
flex-wrap: wrap;
align-items: center;
width: 100%;
}
.search-toggle {
display: flex;
align-items: center;
justify-content: center;
gap: 0.4rem;
padding: 0.5rem 0.85rem;
height: 38px;
flex: 1;
min-width: 90px;
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: var(--radius-md);
color: var(--text-secondary);
font-size: 0.875rem;
font-weight: 500;
cursor: pointer;
transition: all 0.2s ease;
white-space: nowrap;
}
.search-toggle:hover {
border-color: var(--primary-color);
color: var(--primary-color);
background: var(--bg-secondary);
transform: translateY(-1px);
}
.search-toggle.active {
background: var(--gradient-primary);
color: white;
border-color: transparent;
box-shadow: 0 2px 8px rgba(32, 128, 128, 0.3);
}
.search-toggle i,
.search-toggle svg {
width: 16px;
height: 16px;
flex-shrink: 0;
}
.search-toggle span {
font-size: 0.875rem;
white-space: nowrap;
}
.action-buttons {
display: flex;
gap: 0.5rem;
align-items: center;
flex-shrink: 0;
}
.action-buttons .search-toggle {
flex: 0 0 auto;
min-width: auto;
}
/* Prevent action buttons from getting active state from search-toggle click */
.action-buttons .search-toggle:not(.search-submit-btn).active {
background: var(--bg-primary);
color: var(--text-secondary);
border-color: var(--border-color);
box-shadow: none;
}
/* Keep search submit button highlighted */
.search-submit-btn {
background: var(--gradient-primary) !important;
color: white !important;
border-color: transparent !important;
font-weight: 600;
box-shadow: 0 2px 8px rgba(32, 128, 128, 0.3) !important;
}
.search-submit-btn:hover {
transform: translateY(-2px) !important;
box-shadow: 0 4px 12px rgba(32, 128, 128, 0.4) !important;
}
.filter-tags {
display: flex;
gap: 0.35rem;
flex-wrap: wrap;
}
.filter-tag {
padding: 0.3rem 0.65rem;
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: var(--radius-sm);
color: var(--text-secondary);
font-size: 0.75rem;
font-weight: 500;
cursor: pointer;
transition: all 0.2s ease;
}
.filter-tag:hover {
border-color: var(--accent-color);
color: var(--accent-color);
}
.filter-tag.active {
background: var(--accent-color);
color: white;
border-color: transparent;
}
/* Search Mode Toggles - Legacy support */
.search-mode-toggles {
display: flex;
flex-direction: column;
gap: 0.5rem;
margin-bottom: 1rem;
padding: 0.75rem;
background: var(--bg-tertiary);
border-radius: var(--radius-lg);
border: 1px solid var(--border-color);
}
.search-mode-toggles .toggle-group {
display: flex;
align-items: center;
gap: 0.5rem;
flex-wrap: wrap;
}
.search-mode-toggles .toggle-label {
font-size: 0.85rem;
font-weight: 600;
color: var(--text-secondary);
margin-right: 0.25rem;
white-space: nowrap;
}
.search-toggle {
display: inline-flex;
align-items: center;
gap: 0.35rem;
padding: 0.4rem 0.75rem;
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: var(--radius-md);
color: var(--text-secondary);
font-size: 0.85rem;
font-weight: 500;
cursor: pointer;
transition: all 0.2s ease;
}
.search-toggle svg {
width: 14px;
height: 14px;
}
.search-toggle:hover {
border-color: var(--primary-color);
color: var(--primary-color);
background: var(--bg-secondary);
}
.search-toggle.active {
background: var(--gradient-primary);
color: white;
border-color: transparent;
box-shadow: var(--shadow-sm);
}
.lang-toggle {
display: inline-flex;
align-items: center;
justify-content: center;
min-width: 32px;
padding: 0.35rem 0.5rem;
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: var(--radius-sm);
color: var(--text-secondary);
font-size: 0.75rem;
font-weight: 600;
cursor: pointer;
transition: all 0.2s ease;
}
.lang-toggle:hover {
border-color: var(--accent-color);
color: var(--accent-color);
}
.lang-toggle.active {
background: var(--accent-color);
color: white;
border-color: transparent;
}
.lang-options {
padding-top: 0.5rem;
border-top: 1px dashed var(--border-color);
margin-top: 0.25rem;
}
/* Dark mode adjustments */
[data-theme="dark"] .search-mode-toggles {
background: var(--bg-tertiary);
}
[data-theme="dark"] .search-toggle,
[data-theme="dark"] .lang-toggle {
background: var(--bg-secondary);
}
/* Radical Lookup Panel */
.radical-lookup-panel {
display: none;
flex-direction: column;
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: var(--radius-lg);
box-shadow: var(--shadow-lg);
margin-top: 1rem;
max-height: 400px;
overflow: hidden;
}
.radical-lookup-panel.active {
display: flex;
}
.radical-panel-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 0.75rem 1rem;
background: var(--gradient-primary);
color: white;
}
.radical-panel-header h4 {
display: flex;
align-items: center;
gap: 0.5rem;
font-size: 0.95rem;
font-weight: 600;
margin: 0;
}
.radical-panel-header h4 svg {
width: 18px;
height: 18px;
}
.radical-panel-header .close-panel {
background: rgba(255,255,255,0.2);
border: none;
color: white;
padding: 0.25rem;
border-radius: var(--radius-sm);
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
}
.radical-panel-header .close-panel:hover {
background: rgba(255,255,255,0.3);
}
.radical-panel-header .close-panel svg {
width: 16px;
height: 16px;
}
.radical-strokes-nav {
display: flex;
flex-wrap: wrap;
gap: 0.25rem;
padding: 0.5rem;
background: var(--bg-tertiary);
border-bottom: 1px solid var(--border-color);
}
.stroke-btn {
padding: 0.25rem 0.5rem;
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: var(--radius-sm);
font-size: 0.75rem;
cursor: pointer;
transition: all 0.2s;
}
.stroke-btn:hover {
border-color: var(--primary-color);
color: var(--primary-color);
}
.stroke-btn.active {
background: var(--primary-color);
color: white;
border-color: transparent;
}
.radical-grid {
display: flex;
flex-direction: column;
gap: 0.5rem;
padding: 0.75rem;
overflow-y: auto;
max-height: 200px;
}
.radical-group {
display: flex;
flex-wrap: wrap;
gap: 0.25rem;
}
.radical-btn {
width: 36px;
height: 36px;
display: flex;
align-items: center;
justify-content: center;
background: var(--bg-secondary);
border: 1px solid var(--border-color);
border-radius: var(--radius-sm);
font-size: 1.1rem;
font-family: var(--font-chinese);
cursor: pointer;
transition: all 0.2s;
}
.radical-btn:hover {
background: var(--bg-tertiary);
border-color: var(--primary-color);
transform: scale(1.1);
}
.radical-btn.active {
background: var(--primary-color);
color: white;
border-color: transparent;
box-shadow: var(--shadow-sm);
}
.radical-results {
padding: 0.75rem;
border-top: 1px solid var(--border-color);
background: var(--bg-secondary);
max-height: 150px;
overflow-y: auto;
}
.radical-results .hint,
.radical-results .loading,
.radical-results .error,
.radical-results .no-result {
font-size: 0.85rem;
color: var(--text-tertiary);
text-align: center;
padding: 0.5rem;
}
.radical-results-header {
font-size: 0.85rem;
color: var(--text-secondary);
margin-bottom: 0.5rem;
}
.radical-chars-grid {
display: flex;
flex-wrap: wrap;
gap: 0.35rem;
}
.radical-char-btn {
display: flex;
flex-direction: column;
align-items: center;
gap: 0.1rem;
padding: 0.35rem;
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: var(--radius-sm);
cursor: pointer;
transition: all 0.2s;
min-width: 48px;
}
.radical-char-btn:hover {
border-color: var(--primary-color);
background: var(--bg-tertiary);
transform: translateY(-2px);
}
.radical-char-btn .char {
font-size: 1.25rem;
font-family: var(--font-chinese);
line-height: 1.2;
}
.radical-char-btn .reading {
font-size: 0.65rem;
color: var(--text-tertiary);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
max-width: 44px;
}
/* Dark mode for radical panel */
[data-theme="dark"] .radical-lookup-panel {
background: var(--bg-secondary);
}
[data-theme="dark"] .radical-btn {
background: var(--bg-tertiary);
}
[data-theme="dark"] .radical-char-btn {
background: var(--bg-tertiary);
}
.search-input-wrapper {
flex: 1;
min-width: 300px;
position: relative;
display: flex;
align-items: center;
}
.search-input-icon {
position: absolute;
left: 1rem;
color: var(--text-tertiary);
pointer-events: none;
width: 20px;
height: 20px;
}
.search-input {
flex: 1;
width: 100%;
padding: 1rem 1.25rem 1rem 3rem;
border: 2px solid var(--border-color);
border-radius: var(--radius-lg);
font-size: 1.125rem;
transition: all 0.3s ease;
background: var(--bg-primary);
}
.search-input:focus {
outline: none;
border-color: var(--primary-color);
box-shadow: var(--shadow-glow);
}
.search-input-wrapper .mode-btn.auto-only {
position: absolute;
right: 0.5rem;
width: 36px;
height: 36px;
background: var(--bg-tertiary);
border-radius: var(--radius-md);
}
/* Quick Actions */
.search-actions {
display: flex;
gap: 0.75rem;
justify-content: center;
margin-bottom: 1.25rem;
flex-wrap: wrap;
}
.action-btn {
display: flex;
align-items: center;
gap: 0.5rem;
padding: 0.75rem 1.25rem;
background: var(--bg-tertiary);
border: 1px solid var(--border-color);
border-radius: var(--radius-lg);
color: var(--text-secondary);
font-size: 0.95rem;
font-weight: 500;
cursor: pointer;
transition: all 0.3s ease;
}
.action-btn:hover {
background: var(--bg-primary);
border-color: var(--primary-color);
color: var(--primary-color);
transform: translateY(-2px);
box-shadow: var(--shadow-md);
}
.action-btn i {
width: 18px;
height: 18px;
}
/* Filter Tags */
.search-filters {
display: flex;
gap: 0.5rem;
align-items: center;
flex-wrap: wrap;
}
.filter-label {
font-size: 0.875rem;
color: var(--text-tertiary);
font-weight: 500;
margin-right: 0.25rem;
}
.search-mode-toggle {
display: flex;
gap: 0.25rem;
background: var(--bg-tertiary);
padding: 0.25rem;
border-radius: var(--radius-md);
}
.mode-btn {
padding: 0.5rem 0.75rem;
border: none;
background: transparent;
color: var(--text-secondary);
border-radius: var(--radius-sm);
cursor: pointer;
font-size: 0.875rem;
font-weight: 500;
transition: all 0.2s;
}
.mode-btn:hover {
color: var(--text-primary);
}
.mode-btn.active {
background: white;
color: var(--primary-color);
box-shadow: var(--shadow-sm), 0 0 10px rgba(32, 128, 128, 0.2);
}
/* Auto-only icon button variant */
.mode-btn.auto-only {
width: 44px;
height: 44px;
display: inline-flex;
align-items: center;
justify-content: center;
padding: 0;
border-radius: 10px;
background: var(--bg-primary);
color: var(--text-secondary);
box-shadow: var(--shadow-sm);
}
.mode-btn.auto-only .auto-icon {
width: 20px;
height: 20px;
}
/* Rotating animation when active/working */
.mode-btn.auto-only.busy {
animation: rotate-icon 1s linear infinite;
}
@keyframes rotate-icon {
from { transform: rotate(0deg); }
to { transform: rotate(360deg); }
}
/* Screen-reader only text */
.sr-only { position: absolute !important; height: 1px; width: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }
/* Responsive translation modal: on desktop use centered modal full-viewport, on mobile show inline container */
.translation-modal-overlay {
display: none;
position: fixed;
inset: 0;
background: var(--bg-overlay);
z-index: 1100;
align-items: center;
justify-content: center;
padding: 1.5rem;
}
.translation-modal-overlay.active { display: flex; }
.translation-modal-content {
background: var(--bg-primary);
border-radius: var(--radius-lg);
width: 100%;
max-width: 900px;
max-height: 90vh;
overflow-y: auto;
box-shadow: var(--shadow-xl);
position: relative;
padding: 1rem;
}
/* Mobile inline container (displayed under search input) */
.translation-inline-container {
display: none;
width: 100%;
margin-top: 0.75rem;
}
.translation-inline-container.active { display: block; }
@media (max-width: 900px) {
/* On small screens use inline container; disable modal overlay */
.translation-modal-overlay { display: none !important; }
.translation-inline-container { display: block; }
}
.btn-handwriting {
padding: 1rem 1.5rem;
background: var(--gradient-secondary);
color: white;
border: none;
border-radius: var(--radius-lg);
font-weight: 600;
cursor: pointer;
transition: all 0.3s ease;
box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
}
.btn-handwriting:hover {
transform: translateY(-2px);
box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
}
.btn-search {
display: flex;
align-items: center;
gap: 0.5rem;
padding: 1rem 1.75rem;
background: var(--gradient-primary);
color: white;
border: none;
border-radius: var(--radius-lg);
font-weight: 600;
font-size: 1rem;
cursor: pointer;
transition: all 0.3s ease;
box-shadow: 0 4px 15px rgba(32, 128, 128, 0.3);
white-space: nowrap;
}
.btn-search i {
width: 18px;
height: 18px;
}
.btn-search:hover {
transform: translateY(-2px);
box-shadow: 0 6px 20px rgba(32, 128, 128, 0.4);
}
/* Remove old search-filters margin-top since we moved it */
.search-filters {
display: flex;
gap: 0.5rem;
flex-wrap: wrap;
align-items: center;
}
.filter-tag {
padding: 0.5rem 1rem;
border: 1px solid var(--border-color);
background: var(--bg-primary);
color: var(--text-secondary);
border-radius: var(--radius-md);
cursor: pointer;
font-size: 0.875rem;
transition: all 0.2s;
}
.filter-tag:hover {
border-color: var(--primary-color);
color: var(--primary-color);
}
.filter-tag.active {
background: var(--primary-color);
border-color: var(--primary-color);
color: white;
}
/* Autocomplete */
.search-input-container {
position: relative; /* Make container relative for absolute positioning */
}
.autocomplete-dropdown {
position: absolute;
top: 100%;
left: 0;
right: 0;
background: var(--bg-primary);
border: 1px solid var(--border-light);
border-radius: var(--radius-lg);
box-shadow: var(--shadow-xl), 0 0 30px rgba(32, 128, 128, 0.15);
margin-top: 0.5rem;
max-height: 400px;
overflow-y: auto;
z-index: 9999;
animation: slideDown 0.25s ease-out;
}
@keyframes slideDown {
from {
opacity: 0;
transform: translateY(-10px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
.autocomplete-list {
padding: 0.5rem 0;
}
.autocomplete-item {
padding: 0.75rem 1rem;
cursor: pointer;
transition: all 0.2s ease;
display: flex;
align-items: center;
gap: 0.875rem;
border-bottom: 1px solid var(--border-light);
position: relative;
}
.autocomplete-item:last-child {
border-bottom: none;
}
.autocomplete-item.recommended {
background: linear-gradient(to right, rgba(32, 128, 128, 0.08), transparent);
}
.autocomplete-item:hover,
.autocomplete-item.active {
background: linear-gradient(to right, var(--bg-tertiary), var(--bg-primary));
border-left: 3px solid var(--primary-color);
padding-left: calc(1rem - 3px);
}
.autocomplete-item .chinese {
font-size: 1.25rem;
font-weight: 600;
font-family: 'Noto Sans SC', sans-serif;
background: var(--gradient-primary);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
min-width: 3rem;
}
.autocomplete-item .pinyin {
font-size: 0.875rem;
color: var(--primary-color);
font-style: italic;
font-weight: 500;
}
.autocomplete-item .meaning {
font-size: 0.875rem;
color: var(--text-secondary);
flex: 1;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.autocomplete-item .recommend-badge {
font-size: 0.75rem;
color: var(--accent-color);
margin-left: auto;
flex-shrink: 0;
}
/* Responsive autocomplete */
@media (max-width: 768px) {
.autocomplete-dropdown {
max-height: 240px; /* Smaller on mobile */
}
.autocomplete-item {
padding: 0.5rem 0.75rem;
gap: 0.5rem;
}
.autocomplete-item .chinese {
font-size: 1rem;
min-width: 2rem;
}
.autocomplete-item .pinyin,
.autocomplete-item .meaning {
font-size: 0.75rem;
}
}
/* History Dropdown */
.history-dropdown {
position: absolute;
top: 100%;
left: 0;
right: 0;
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: var(--radius-lg);
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
margin-top: 0.25rem;
max-height: 350px;
overflow-y: auto;
z-index: 1000;
}
.history-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 0.75rem 1rem;
border-bottom: 1px solid var(--border-color);
background: var(--bg-tertiary);
font-weight: 600;
font-size: 0.875rem;
color: var(--text-secondary);
}
.btn-clear-history {
padding: 0.25rem;
border: none;
background: transparent;
color: var(--text-tertiary);
cursor: pointer;
border-radius: var(--radius-sm);
transition: all 0.2s;
}
.btn-clear-history:hover {
background: var(--border-color);
color: var(--danger-color);
}
.history-list {
padding: 0.25rem 0;
}
.history-item {
display: flex;
align-items: center;
justify-content: space-between;
padding: 0.75rem 1rem;
cursor: pointer;
transition: all 0.15s ease;
border-bottom: 1px solid var(--bg-tertiary);
}
.history-item:last-child {
border-bottom: none;
}
.history-item:hover {
background: var(--bg-tertiary);
}
.history-content {
display: flex;
align-items: center;
gap: 0.75rem;
flex: 1;
}
.history-icon {
width: 16px;
height: 16px;
color: var(--text-tertiary);
}
.history-term {
font-size: 0.875rem;
color: var(--text-primary);
flex: 1;
}
.history-term mark {
background: rgba(59, 130, 246, 0.2);
color: var(--primary-color);
padding: 0.125rem 0.25rem;
border-radius: var(--radius-sm);
}
.history-date {
font-size: 0.75rem;
color: var(--text-tertiary);
margin-left: auto;
}
.btn-remove-history {
padding: 0.25rem;
border: none;
background: transparent;
color: var(--text-tertiary);
cursor: pointer;
border-radius: var(--radius-sm);
opacity: 0;
transition: all 0.2s;
}
.history-item:hover .btn-remove-history {
opacity: 1;
}
.btn-remove-history:hover {
background: var(--border-color);
color: var(--danger-color);
}
/* Responsive history */
@media (max-width: 768px) {
.history-dropdown {
max-height: 240px;
}
.history-item {
padding: 0.5rem 0.75rem;
gap: 0.5rem;
}
.history-content {
gap: 0.5rem;
}
.history-term,
.history-date {
font-size: 0.75rem;
}
}
/* Full History Modal */
#historyModal {
justify-content: center;
align-items: center;
}
.history-modal-content {
background: var(--bg-primary);
border-radius: var(--radius-xl);
width: 90%;
max-width: 600px;
max-height: 85vh;
display: flex;
flex-direction: column;
overflow: hidden;
box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}
.history-modal-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 1.25rem 1.5rem;
border-bottom: 1px solid var(--border-color);
background: var(--bg-tertiary);
}
.history-modal-header h2 {
font-size: 1.25rem;
font-weight: 600;
display: flex;
align-items: center;
gap: 0.5rem;
margin: 0;
}
.history-modal-header h2 svg {
width: 20px;
height: 20px;
color: var(--primary-color);
}
.history-modal-filters {
display: flex;
gap: 0.5rem;
padding: 1rem 1.5rem;
border-bottom: 1px solid var(--border-color);
flex-wrap: wrap;
}
.filter-btn {
padding: 0.5rem 1rem;
border: 1px solid var(--border-color);
background: var(--bg-primary);
border-radius: var(--radius-full);
font-size: 0.875rem;
cursor: pointer;
transition: all 0.2s;
color: var(--text-secondary);
}
.filter-btn:hover {
background: var(--bg-tertiary);
border-color: var(--primary-color);
}
.filter-btn.active {
background: var(--primary-color);
color: white;
border-color: var(--primary-color);
}
.history-modal-body {
flex: 1;
overflow-y: auto;
padding: 0.5rem 0;
}
.history-empty {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 3rem;
color: var(--text-tertiary);
}
.history-empty svg {
width: 48px;
height: 48px;
margin-bottom: 1rem;
opacity: 0.5;
}
.history-date-group {
margin-bottom: 0.5rem;
}
.history-date-header {
padding: 0.5rem 1.5rem;
font-size: 0.75rem;
font-weight: 600;
color: var(--text-tertiary);
text-transform: uppercase;
letter-spacing: 0.05em;
background: var(--bg-tertiary);
position: sticky;
top: 0;
z-index: 1;
}
.history-modal-item {
display: flex;
align-items: center;
gap: 1rem;
padding: 0.875rem 1.5rem;
cursor: pointer;
transition: all 0.15s ease;
border-bottom: 1px solid var(--bg-tertiary);
}
.history-modal-item:hover {
background: var(--bg-tertiary);
}
.history-modal-item .item-icon {
width: 36px;
height: 36px;
display: flex;
align-items: center;
justify-content: center;
background: var(--bg-tertiary);
border-radius: var(--radius-md);
color: var(--text-secondary);
}
.history-modal-item .item-icon svg {
width: 18px;
height: 18px;
}
.history-modal-item .item-content {
flex: 1;
display: flex;
flex-direction: column;
gap: 0.25rem;
}
.history-modal-item .item-term {
font-size: 0.9375rem;
color: var(--text-primary);
font-weight: 500;
}
.history-modal-item .item-meta {
display: flex;
gap: 0.75rem;
font-size: 0.75rem;
color: var(--text-tertiary);
}
.history-modal-item .item-type {
padding: 0.125rem 0.5rem;
background: var(--bg-primary);
border-radius: var(--radius-sm);
}
.history-modal-item .btn-delete-item {
padding: 0.375rem;
border: none;
background: transparent;
color: var(--text-tertiary);
cursor: pointer;
border-radius: var(--radius-sm);
opacity: 0;
transition: all 0.2s;
}
.history-modal-item:hover .btn-delete-item {
opacity: 1;
}
.history-modal-item .btn-delete-item:hover {
background: rgba(239, 68, 68, 0.1);
color: var(--danger-color);
}
.history-modal-footer {
display: flex;
justify-content: space-between;
align-items: center;
padding: 1rem 1.5rem;
border-top: 1px solid var(--border-color);
background: var(--bg-tertiary);
}
.history-count {
font-size: 0.875rem;
color: var(--text-tertiary);
}
.history-actions {
display: flex;
gap: 0.75rem;
}
.history-actions .btn-secondary,
.history-actions .btn-danger {
display: flex;
align-items: center;
gap: 0.5rem;
padding: 0.5rem 1rem;
font-size: 0.875rem;
border-radius: var(--radius-md);
cursor: pointer;
transition: all 0.2s;
}
.history-actions .btn-secondary {
background: var(--bg-primary);
border: 1px solid var(--border-color);
color: var(--text-secondary);
}
.history-actions .btn-secondary:hover {
background: var(--bg-tertiary);
border-color: var(--primary-color);
}
.history-actions .btn-danger {
background: rgba(239, 68, 68, 0.1);
border: 1px solid rgba(239, 68, 68, 0.3);
color: var(--danger-color);
}
.history-actions .btn-danger:hover {
background: var(--danger-color);
color: white;
}
.history-actions svg {
width: 16px;
height: 16px;
}
/* Nav Dropdown for Topics */
.nav-dropdown {
position: relative;
}
.nav-dropdown-trigger {
display: flex;
align-items: center;
gap: 0.25rem;
}
.nav-chevron {
width: 16px;
height: 16px;
transition: transform 0.2s;
}
.nav-dropdown:hover .nav-chevron {
transform: rotate(180deg);
}
.nav-dropdown-menu {
position: absolute;
top: 100%;
left: 0;
min-width: 200px;
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: var(--radius-lg);
box-shadow: var(--shadow-lg);
opacity: 0;
visibility: hidden;
transform: translateY(10px);
transition: all 0.2s ease;
z-index: 100;
padding: 0.5rem 0;
}
.nav-dropdown:hover .nav-dropdown-menu {
opacity: 1;
visibility: visible;
transform: translateY(0);
}
.nav-dropdown-menu a {
display: block;
padding: 0.75rem 1rem;
color: var(--text-secondary);
text-decoration: none;
transition: all 0.15s;
font-size: 0.875rem;
}
.nav-dropdown-menu a:hover {
background: var(--bg-tertiary);
color: var(--primary-color);
}
.nav-dropdown-menu a i {
margin-right: 0.5rem;
}
/* Responsive History Modal */
@media (max-width: 640px) {
.history-modal-content {
width: 100%;
max-width: none;
height: 100%;
max-height: 100%;
border-radius: 0;
}
.history-modal-filters {
padding: 0.75rem 1rem;
}
.filter-btn {
padding: 0.375rem 0.75rem;
font-size: 0.8125rem;
}
.history-modal-item {
padding: 0.75rem 1rem;
}
.history-modal-footer {
flex-direction: column;
gap: 0.75rem;
}
.history-actions {
width: 100%;
}
.history-actions button {
flex: 1;
justify-content: center;
}
.nav-dropdown-menu {
position: fixed;
top: auto;
bottom: 0;
left: 0;
right: 0;
width: 100%;
border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
}
/* Content Grid */
.content-grid {
display: grid;
gap: 1.5rem;
align-items: start;
}
@media (max-width: 1024px) {
.content-grid {
grid-template-columns: 1fr;
}
}
/* Handwriting Block - Now as overlay */
.handwriting-block {
display: none;
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
background: var(--bg-primary);
border-radius: var(--radius-xl);
padding: 1.5rem;
box-shadow: var(--shadow-xl);
z-index: 1000;
max-width: 420px;
width: 90vw;
max-height: 90vh;
overflow-y: auto;
}
.handwriting-block.active {
display: block;
}
/* Overlay backdrop for handwriting */
.handwriting-overlay {
display: none;
position: fixed;
inset: 0;
background: var(--bg-overlay);
z-index: 999;
}
.handwriting-overlay.active {
display: block;
}
.block-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 1rem;
}
.block-header h3 {
font-size: 1.125rem;
font-weight: 600;
}
.btn-close {
width: 2rem;
height: 2rem;
border: none;
background: var(--bg-tertiary);
border-radius: var(--radius-md);
cursor: pointer;
font-size: 1.125rem;
}
.btn-close:hover {
background: var(--danger-color);
color: white;
}
#handwritingCanvas {
width: 100%;
border: 2px solid var(--border-color);
border-radius: var(--radius-lg);
background: white;
cursor: crosshair;
}
.handwriting-controls {
display: flex;
gap: 0.5rem;
margin-top: 1rem;
}
.btn-primary {
flex: 1;
padding: 0.75rem;
background: var(--primary-color);
color: white;
border: none;
border-radius: var(--radius-md);
font-weight: 600;
cursor: pointer;
transition: all 0.2s;
}
.btn-primary:hover {
background: var(--primary-hover);
}
.btn-secondary {
flex: 1;
padding: 0.75rem;
background: var(--bg-tertiary);
color: var(--text-primary);
border: none;
border-radius: var(--radius-md);
font-weight: 600;
cursor: pointer;
transition: all 0.2s;
}
.btn-secondary:hover {
background: var(--border-color);
}
.handwriting-results {
margin-top: 1rem;
min-height: 80px;
}
/* Advanced Handwriting Results Grid */
.hw-results-grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 0.5rem;
margin-bottom: 0.75rem;
}
.hw-char-btn {
position: relative;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 0.75rem 0.5rem;
background: var(--bg-secondary);
border: 2px solid var(--border-color);
border-radius: var(--radius-md);
cursor: pointer;
transition: all 0.2s ease;
min-height: 60px;
}
.hw-char-btn:hover {
background: var(--bg-tertiary);
border-color: var(--primary-color);
transform: translateY(-2px);
box-shadow: var(--shadow-md);
}
.hw-char-btn.primary {
background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
border-color: var(--primary-color);
color: white;
}
.hw-char-btn.primary:hover {
background: linear-gradient(135deg, var(--primary-hover), #4338ca);
transform: translateY(-3px);
box-shadow: var(--shadow-glow);
}
.hw-char-btn.selected {
transform: scale(0.95);
background: var(--success-color);
border-color: var(--success-color);
color: white;
}
.hw-char-btn .hw-char {
font-family: var(--font-chinese);
font-size: 1.75rem;
line-height: 1;
font-weight: 400;
}
.hw-char-btn.primary .hw-char {
color: white;
}
.hw-char-btn .hw-confidence {
position: absolute;
top: 4px;
right: 4px;
font-size: 0.65rem;
opacity: 0.7;
}
.hw-char-btn .hw-confidence.high {
color: var(--success-color);
}
.hw-char-btn .hw-confidence.medium {
color: var(--warning-color);
}
.hw-char-btn .hw-confidence.low {
color: var(--text-tertiary);
}
.hw-char-btn.primary .hw-confidence {
color: rgba(255, 255, 255, 0.8);
}
/* Meta info */
.hw-meta {
display: flex;
justify-content: space-between;
font-size: 0.75rem;
color: var(--text-tertiary);
padding-top: 0.5rem;
border-top: 1px solid var(--border-color);
}
/* Hint and messages */
.hw-hint {
text-align: center;
color: var(--text-tertiary);
font-size: 0.875rem;
padding: 1.5rem 0;
}
.hw-no-result {
text-align: center;
color: var(--warning-color);
font-size: 0.9rem;
padding: 1rem 0 0.5rem;
}
/* Old styles for backward compatibility */
.hw-candidates {
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.hw-candidate {
display: flex;
align-items: center;
justify-content: space-between;
gap: 1rem;
padding: 0.75rem;
border: 1px solid var(--border-color);
border-radius: var(--radius-md);
cursor: pointer;
transition: all 0.2s;
}
.hw-candidate:hover {
background: var(--bg-tertiary);
border-color: var(--primary-color);
transform: translateX(4px);
}
.hw-info {
flex: 1;
}
/* Loading state for recognize button */
.btn-primary:disabled {
opacity: 0.7;
cursor: wait;
}
/* Enhanced canvas styling */
#handwritingCanvas {
touch-action: none;
-webkit-touch-callout: none;
-webkit-user-select: none;
user-select: none;
width: 100%;
max-width: 320px;
aspect-ratio: 1;
display: block;
margin: 0 auto;
border: 2px solid var(--border-color);
border-radius: var(--radius-lg);
background: white;
cursor: crosshair;
}
/* Dark mode canvas */
[data-theme="dark"] #handwritingCanvas {
background: #1a1a2e;
border-color: var(--border-color);
}
/* Handwriting instruction */
.hw-instruction {
font-size: 0.8rem;
color: var(--text-tertiary);
text-align: center;
margin-bottom: 0.75rem;
}
/* Language selector */
.hw-language-select {
display: flex;
align-items: center;
gap: 0.5rem;
margin-top: 0.75rem;
padding-top: 0.75rem;
border-top: 1px solid var(--border-color);
}
.hw-language-select label {
font-size: 0.8rem;
color: var(--text-secondary);
white-space: nowrap;
}
.hw-language-select select {
flex: 1;
padding: 0.4rem 0.6rem;
border: 1px solid var(--border-color);
border-radius: var(--radius-sm);
background: var(--bg-secondary);
color: var(--text-primary);
font-size: 0.8rem;
cursor: pointer;
}
.hw-language-select select:focus {
outline: none;
border-color: var(--primary-color);
}
/* Button icons in handwriting controls */
.handwriting-controls .btn-secondary,
.handwriting-controls .btn-primary {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 0.4rem;
}
.handwriting-controls .btn-secondary i,
.handwriting-controls .btn-primary i {
width: 16px;
height: 16px;
}