* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Theme variables */
:root {
    --bg: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-panel: #12122a;
    --border: #2a2a3a;
    --border-hover: #3a3a5a;
    --text: #e0e0e0;
    --text-secondary: #888;
    --text-muted: #666;
    --text-dim: #555;
    --accent: #667eea;
    --accent2: #764ba2;
    --toggle-bg: #333;
    --toggle-knob: #666;
    --overlay: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] {
    --bg: #f5f5fa;
    --bg-card: #ffffff;
    --bg-panel: #f0f0f8;
    --border: #d0d0e0;
    --border-hover: #b0b0c8;
    --text: #1a1a2e;
    --text-secondary: #555;
    --text-muted: #777;
    --text-dim: #999;
    --accent: #5568d8;
    --accent2: #6a3f99;
    --toggle-bg: #ccc;
    --toggle-knob: #999;
    --overlay: rgba(0, 0, 0, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

.header-logo {
    width: 120px;
    height: 120px;
    margin-bottom: 0.5rem;
}

header h1 {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

h2 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

/* Top-left buttons */
.top-left-buttons {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 100;
    display: flex;
    gap: 0.5rem;
}

.theme-toggle,
.share-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
    -webkit-tap-highlight-color: transparent;
}

.theme-toggle {
    font-size: 1.3rem;
    line-height: 1;
}

.theme-toggle:hover,
.share-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Share modal */
.share-overlay {
    position: fixed;
    inset: 0;
    background: var(--overlay);
    z-index: 400;
}

.share-overlay.hidden,
.share-modal.hidden {
    display: none;
}

.share-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 500;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    width: 300px;
    max-width: 90vw;
}

.share-modal h3 {
    color: var(--text);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.share-modal-close {
    position: absolute;
    top: 0.5rem;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: color 0.2s;
}

.share-modal-close:hover {
    color: var(--text);
}

.share-qr {
    margin-bottom: 1rem;
}

.share-qr img {
    border-radius: 8px;
    background: white;
    padding: 8px;
}

.share-url-row {
    display: flex;
    gap: 0.5rem;
}

.share-url-row input {
    flex: 1;
    padding: 0.5rem 0.6rem;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.8rem;
    min-width: 0;
}

.share-url-row button {
    padding: 0.5rem 0.8rem;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border: none;
    border-radius: 6px;
    color: white;
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.2s;
}

.share-url-row button:hover {
    opacity: 0.9;
}

/* Welcome section */
.welcome-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.welcome-section.hidden {
    display: none;
}

.welcome-section h2 {
    border-bottom: none;
    padding-bottom: 0;
    color: var(--text);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.welcome-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.welcome-examples {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
    margin-bottom: 1.25rem;
}

.welcome-steps {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
}

.welcome-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.welcome-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.welcome-cta {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.95rem;
}

/* Dates section */
.dates-section {
    margin-bottom: 3rem;
}

.collapsible-header {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.collapse-arrow {
    font-size: 0.6em;
    transition: transform 0.2s;
    display: inline-block;
}

.collapsible-header.collapsed .collapse-arrow {
    transform: rotate(-90deg);
}

.collapsible-content {
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease;
    max-height: 2000px;
    opacity: 1;
}

.collapsible-content.collapsed {
    max-height: 0;
    opacity: 0;
    margin: 0;
    padding: 0;
}

#dates-list {
    margin-bottom: 1rem;
}

/* Tag group sections in dates list */
.tag-group {
    margin-bottom: 0.5rem;
}

.tag-group-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    user-select: none;
    padding: 0.4rem 0.2rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.tag-group-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.tag-group-label {
    font-weight: 600;
    color: var(--text);
}

.tag-group-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.tag-group-header .collapse-arrow {
    font-size: 0.5em;
    transition: transform 0.2s;
    display: inline-block;
    margin-left: auto;
}

.tag-group-header.collapsed .collapse-arrow {
    transform: rotate(-90deg);
}

.tag-group-content {
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease;
    max-height: 2000px;
    opacity: 1;
}

.tag-group-content.collapsed {
    max-height: 0;
    opacity: 0;
    margin: 0;
    padding: 0;
}

.date-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
}

.date-item-info {
    display: flex;
    flex-direction: column;
}

.date-item-label {
    font-weight: 600;
    color: var(--text);
}

.date-item-value {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Date edit form */
.date-item-edit-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.25rem 0;
}

.date-item-edit-form.hidden {
    display: none;
}

.date-item-info.hidden {
    display: none;
}

.date-item-actions.hidden {
    display: none;
}

.date-item-edit-form input,
.date-item-edit-form select {
    padding: 0.5rem 0.6rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.9rem;
}

.date-item-edit-form input:focus,
.date-item-edit-form select:focus {
    outline: none;
    border-color: var(--accent);
}

.edit-buttons {
    display: flex;
    gap: 0.5rem;
}

.edit-save {
    padding: 0.4rem 0.8rem;
    background: #2ecc71;
    border: none;
    border-radius: 6px;
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: opacity 0.2s;
}

.edit-save:hover {
    opacity: 0.85;
}

.edit-cancel {
    padding: 0.4rem 0.8rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.edit-cancel:hover {
    border-color: var(--border-hover);
    color: var(--text);
}

.date-item-edit {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem 0.4rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.date-item-edit:hover {
    color: var(--accent);
}

.date-item-actions {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.date-item-toggle,
.date-item-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem 0.4rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.date-item-delete:hover {
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

/* Mini toggle slider for date visibility */
.date-item-toggle {
    padding: 0.25rem;
}

.mini-slider {
    display: block;
    width: 34px;
    height: 18px;
    border-radius: 9px;
    position: relative;
    transition: background 0.2s;
}

.mini-knob {
    display: block;
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    top: 2px;
    transition: left 0.2s, background 0.2s;
}

.date-item-toggle.on .mini-slider,
.tag-group-toggle.on .mini-slider {
    background: rgba(46, 204, 113, 0.3);
}

.date-item-toggle.on .mini-knob,
.tag-group-toggle.on .mini-knob {
    left: 18px;
    background: #2ecc71;
}

.date-item-toggle.off .mini-slider,
.tag-group-toggle.off .mini-slider {
    background: rgba(231, 76, 60, 0.3);
}

.date-item-toggle.off .mini-knob,
.tag-group-toggle.off .mini-knob {
    left: 2px;
    background: #e74c3c;
}

.tag-group-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.15rem;
    margin-left: 0.3rem;
}

.date-item-hidden {
    opacity: 0.5;
}

/* Add date panel */
.add-date-panel {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-panel);
    border: 1px dashed var(--border);
    border-radius: 10px;
}

.add-date-panel-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.add-date-form {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.add-date-form select {
    padding: 0.6rem 0.8rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.95rem;
    cursor: pointer;
}

.add-date-form select:focus {
    outline: none;
    border-color: var(--accent);
}

.add-date-form input[type="text"],
.add-date-form input[type="date"] {
    flex: 1;
    min-width: 150px;
    padding: 0.6rem 0.8rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.95rem;
}

.add-date-form input:focus {
    outline: none;
    border-color: var(--accent);
}

.add-date-form button {
    padding: 0.6rem 1.2rem;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.add-date-form button:hover {
    opacity: 0.9;
}

/* Settings gear button */
.settings-gear {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 100;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.settings-gear:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* Settings panel */
.settings-overlay {
    position: fixed;
    inset: 0;
    background: var(--overlay);
    z-index: 200;
    transition: opacity 0.2s;
}

.settings-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background: var(--bg-panel);
    border-left: 1px solid var(--border);
    z-index: 300;
    padding: 1.5rem;
    overflow-y: auto;
    transform: translateX(0);
    transition: transform 0.25s ease;
}

.settings-panel.hidden,
.settings-overlay.hidden {
    display: none;
}

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

.settings-panel-header h3 {
    font-size: 1.2rem;
    color: var(--text);
}

.settings-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: color 0.2s;
}

.settings-close:hover {
    color: var(--text);
}

#settings-toggles {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.settings-group-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 1rem;
    margin-bottom: 0.25rem;
}

.settings-group-label:first-child {
    margin-top: 0;
}

.settings-info {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
}

.settings-info-logo {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.settings-info-text {
    font-size: 0.7rem;
}

.lang-toggle {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    flex: 1;
    padding: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.lang-btn:hover:not(.active) {
    border-color: var(--accent);
    color: var(--text-secondary);
}

.setting-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.6rem 1rem;
    cursor: pointer;
    transition: border-color 0.2s;
    overflow: hidden;
}

.setting-toggle:hover {
    border-color: var(--border-hover);
}

.setting-toggle input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    width: 36px;
    height: 20px;
    background: var(--toggle-bg);
    border-radius: 10px;
    position: relative;
    flex-shrink: 0;
    transition: background 0.2s;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--toggle-knob);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all 0.2s;
}

.setting-toggle input:checked + .toggle-slider {
    background: var(--accent);
}

.setting-toggle input:checked + .toggle-slider::after {
    left: 18px;
    background: white;
}

.toggle-label {
    font-weight: 600;
    color: var(--text);
    font-size: 0.9rem;
    white-space: nowrap;
}

.toggle-desc {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Anagrams section */
.anagrams-section {
    margin-bottom: 2rem;
}

.anagrams-section.hidden {
    display: none;
}

.anagrams-section h2 {
    font-size: 1.1rem;
    color: var(--text-muted);
    border-bottom: 1px dashed var(--border);
}

.anagram-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.anagram-card strong {
    color: var(--text);
}

/* Milestone filters */
.milestone-filters {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.filter-btn {
    padding: 0.4rem 0.8rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.filter-btn.combo-filter-btn {
    margin-left: auto;
    border-style: dashed;
    font-size: 0.8rem;
}

.filter-btn.combo-filter-btn.active {
    border-style: solid;
}

.filter-btn:hover:not(.active) {
    border-color: var(--accent);
    color: var(--text-secondary);
}

/* Milestones */
.milestones-section {
    margin-bottom: 3rem;
}

.milestone-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem 1.2rem;
    margin-bottom: 0.75rem;
    transition: border-color 0.2s;
}

.milestone-card:hover {
    border-color: var(--border-hover);
}

.milestone-card.past {
    opacity: 0.7;
}

.milestone-card.today {
    border-color: #f1c40f;
    box-shadow: 0 0 15px rgba(241, 196, 15, 0.1);
}

.milestone-card.upcoming-soon {
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.1);
}

.milestone-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.4rem;
    margin-bottom: 0.4rem;
    flex-wrap: wrap;
}

.milestone-title {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
}

.milestone-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-fibonacci {
    background: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
}

.badge-power2 {
    background: rgba(52, 152, 219, 0.15);
    color: #3498db;
}

.badge-birthday {
    background: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
}

.badge-round {
    background: rgba(155, 89, 182, 0.15);
    color: #9b59b6;
}

.badge-perfectpower {
    background: rgba(230, 126, 34, 0.15);
    color: #e67e22;
}

.badge-repdigit {
    background: rgba(26, 188, 156, 0.15);
    color: #1abc9c;
}

.badge-sequential {
    background: rgba(52, 73, 94, 0.15);
    color: #5d8aa8;
}

.badge-famous {
    background: rgba(230, 126, 34, 0.15);
    color: #e67e22;
}

.badge-simple {
    background: rgba(241, 196, 15, 0.15);
    color: #f1c40f;
}

.chip-prefix {
    opacity: 0.6;
    font-weight: 400;
    font-size: 0.85em;
}

.milestone-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.15rem;
    font-style: italic;
}

.milestone-date-label {
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.milestone-date {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.milestone-countdown {
    font-size: 0.8rem;
    color: var(--accent);
    margin-top: 0.25rem;
}

.milestone-countdown.past-label {
    color: var(--text-secondary);
}

/* Calendar export */
.milestone-date-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.cal-export-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.cal-export-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.bulk-export-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    margin-bottom: 1rem;
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.bulk-export-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    border-style: solid;
}

.load-more-btn {
    display: block;
    width: 100%;
    padding: 0.75rem;
    margin-top: 0.75rem;
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: 10px;
    color: var(--accent);
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.load-more-btn:hover {
    background: var(--bg-hover, var(--bg-card));
    border-color: var(--accent);
}

.no-milestones {
    color: var(--text-dim);
    text-align: center;
    padding: 2rem;
    font-style: italic;
}

/* Tag chips */
.tag-chip {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.1rem 0.45rem;
    border-radius: 4px;
    background: color-mix(in srgb, var(--tag-color) 18%, transparent);
    color: var(--tag-color);
    vertical-align: middle;
    margin-left: 0.3rem;
}

/* Date type chip on milestone cards */
.date-type-chip {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 500;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 0.3rem;
    opacity: 0.85;
}
.date-type-geboorte {
    background: rgba(231, 76, 60, 0.12);
    color: #e74c3c;
}
.date-type-ontmoeting {
    background: rgba(52, 152, 219, 0.12);
    color: #3498db;
}
.date-type-werk {
    background: rgba(230, 126, 34, 0.12);
    color: #e67e22;
}
.date-type-anders {
    background: rgba(149, 165, 166, 0.12);
    color: #95a5a6;
}

/* Tag toggle chips for multi-tag selection */
.tag-chips-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.2rem 0;
}

.tag-toggle-chip {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    border: 1.5px solid color-mix(in srgb, var(--tag-color, var(--text-muted)) 40%, transparent);
    background: transparent;
    color: color-mix(in srgb, var(--tag-color, var(--text-muted)) 70%, var(--text-primary));
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.15s;
}

.tag-toggle-chip.active {
    background: color-mix(in srgb, var(--tag-color) 18%, transparent);
    border-color: var(--tag-color);
    color: var(--tag-color);
    opacity: 1;
}

.tag-toggle-chip.active.primary {
    background: color-mix(in srgb, var(--tag-color) 30%, transparent);
    border-width: 2px;
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--tag-color) 30%, transparent);
}

.tag-toggle-chip.tag-add-new {
    border-style: dashed;
    opacity: 0.5;
}

.tag-toggle-chip.tag-add-new:hover {
    opacity: 0.8;
}

.tag-custom-input {
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    background: var(--bg-card);
    color: var(--text-primary);
}

.tag-custom-input.hidden {
    display: none;
}

/* Tag management in settings */
/* Category management */
.managed-categories-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 0.3rem 0;
}

.managed-cat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.managed-cat-label {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.managed-cat-protected {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.managed-cat-edit,
.managed-tag-edit {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0 0.3rem;
    line-height: 1;
}

.managed-cat-edit:hover,
.managed-tag-edit:hover {
    color: var(--primary);
}

.managed-cat-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0 0.3rem;
    line-height: 1;
}

.managed-cat-delete:hover {
    color: #e74c3c;
}

.managed-cat-add {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.2rem;
}

.managed-cat-input {
    flex: 1;
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    background: var(--bg-card);
    color: var(--text-primary);
}

.managed-cat-add-btn {
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--primary);
    border-radius: 6px;
    background: var(--primary);
    color: white;
    font-size: 0.85rem;
    cursor: pointer;
}

.managed-cat-add-btn:hover {
    opacity: 0.9;
}

.managed-tags-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 0.3rem 0;
}

.managed-tag-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.managed-tag-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0 0.3rem;
    line-height: 1;
}

.managed-tag-delete:hover {
    color: #e74c3c;
}

.managed-tag-add {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.2rem;
}

.managed-tag-input {
    flex: 1;
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    background: var(--bg-card);
    color: var(--text-primary);
}

.managed-tag-add-btn {
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--primary);
    border-radius: 6px;
    background: var(--primary);
    color: white;
    font-size: 0.85rem;
    cursor: pointer;
}

.managed-tag-add-btn:hover {
    opacity: 0.9;
}

/* Tag filter buttons */
.tag-filters {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tag-filter-btn {
    padding: 0.3rem 0.7rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s;
}

.tag-filter-btn:hover:not(.active) {
    border-color: var(--border-hover);
}

.tag-filter-btn.active {
    background: var(--tag-color, var(--accent));
    border-color: var(--tag-color, var(--accent));
    color: white;
}

/* Responsive */
@media (max-width: 600px) {
    header h1 {
        font-size: 2.2rem;
    }

    .add-date-form {
        flex-direction: column;
    }

    .add-date-form input[type="text"],
    .add-date-form input[type="date"] {
        min-width: 100%;
    }

}