/* === Dark Theme — Second Brain === */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-card: #161b22;
    --bg-input: #0d1117;
    --border: #30363d;
    --border-light: #21262d;
    --text-primary: #ffffff;
    --text-secondary: #c9d1d9;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --accent-dim: #1f6feb;
    --accent-subtle: rgba(56, 139, 253, 0.1);
    --green: #3fb950;
    --green-dim: #238636;
    --red: #f85149;
    --red-dim: #da3633;
    --yellow: #d29922;
    --purple: #bc8cff;
    --orange: #db6d28;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: #79c0ff; }

/* === Layout: sidebar + main === */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* === Sidebar === */
.sidebar {
    width: 240px;
    min-width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 20px 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 50;
}
.sidebar-header {
    padding: 0 16px 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
}
.sidebar-header h1 {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}
.sidebar-header .subtitle {
    font-size: 0.75em;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.sidebar-section {
    padding: 8px 0;
}
.sidebar-section-title {
    font-size: 0.7em;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 4px 16px 8px;
    font-weight: 600;
}
.sidebar-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 16px;
    color: var(--text-secondary);
    font-size: 0.87em;
    transition: all 0.15s;
    border-left: 2px solid transparent;
}
.sidebar-link:hover {
    background: var(--accent-subtle);
    color: var(--text-primary);
}
.sidebar-link.active {
    color: var(--text-primary);
    background: var(--accent-subtle);
    border-left-color: var(--accent);
    font-weight: 500;
}
.sidebar-link .count {
    font-size: 0.8em;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}
.sidebar-divider {
    height: 1px;
    background: var(--border);
    margin: 8px 16px;
}
.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}
.sidebar-footer a {
    font-size: 0.8em;
    color: var(--text-muted);
    display: block;
    padding: 4px 0;
}
.sidebar-footer a:hover { color: var(--text-secondary); }

/* === Main content === */
.main-content {
    margin-left: 240px;
    flex: 1;
    padding: 24px 40px;
}

/* === Top bar === */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.top-bar h2 {
    font-size: 1.3em;
    font-weight: 600;
}
.top-bar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
.top-bar-right .user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85em;
    color: var(--text-secondary);
}
.top-bar-right .user-info img { width: 24px; height: 24px; border-radius: 50%; }
.btn-subtle {
    padding: 5px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.8em;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-subtle:hover { background: var(--border); color: var(--text-primary); }

/* === Flash messages === */
.flash-messages {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 0.9em;
    animation: fadeIn 0.25s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === Type tabs (horizontal) === */
.type-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 3px;
    border: 1px solid var(--border);
}
.type-tab {
    padding: 7px 14px;
    background: transparent;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.85em;
    transition: all 0.15s;
    white-space: nowrap;
}
.type-tab:hover { color: var(--text-primary); background: var(--bg-tertiary); }
.type-tab.active {
    background: var(--accent-dim);
    color: white;
}
.type-tab .count {
    font-size: 0.8em;
    opacity: 0.6;
    margin-left: 4px;
}

/* === Quick capture === */
.quick-capture {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    padding: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
}
.quick-capture input[type="text"] {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9em;
}
.quick-capture input:focus { outline: none; border-color: var(--accent-dim); }
.quick-capture select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 6px;
    font-size: 0.85em;
}
.quick-capture button {
    padding: 8px 16px;
    background: var(--accent-dim);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 500;
    transition: background 0.15s;
}
.quick-capture button:hover { background: var(--accent); }

/* === Sort bar === */
.sort-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
    font-size: 0.8em;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.sort-bar span { margin-right: 4px; }
.sort-bar a {
    padding: 4px 10px;
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 1em;
}
.sort-bar a:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.sort-bar a.active { background: var(--accent-subtle); color: var(--accent); }

/* === Item cards === */
.item-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 8px;
    transition: all 0.2s ease;
    animation: cardIn 0.2s ease;
}
.item-card:hover {
    border-color: var(--border-light);
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.item-card.due { border-left: 3px solid var(--red); }
.item-card.completed { opacity: 0.5; transition: opacity 0.4s; }
.item-card.completed .item-title { text-decoration: line-through; transition: all 0.3s; }
@keyframes cardIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.item-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    user-select: none;
}
.item-header:hover { background: var(--bg-tertiary); border-radius: 8px; }
.item-type-label {
    font-size: 0.65em;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 6px;
    border-radius: 3px;
    margin-right: 10px;
    font-weight: 600;
    flex-shrink: 0;
}
.item-type-label.memory { background: var(--accent-subtle); color: var(--accent); }
.item-type-label.topic { background: rgba(188,140,255,0.12); color: var(--purple); }
.item-type-label.technique { background: rgba(219,109,40,0.12); color: var(--orange); }
.item-type-label.todo { background: rgba(63,185,80,0.12); color: var(--green); }
.item-type-label.note { background: rgba(210,153,34,0.12); color: var(--yellow); }

.item-title {
    font-weight: 500;
    font-size: 0.95em;
    color: var(--text-primary);
    flex: 1;
}
.item-index {
    color: var(--text-muted);
    font-size: 0.8em;
    margin-right: 8px;
    font-variant-numeric: tabular-nums;
}
.item-arrow {
    color: var(--text-muted);
    font-size: 0.7em;
    transition: transform 0.25s ease;
    margin-left: 8px;
}

.item-meta {
    padding: 0 16px 10px;
    font-size: 0.8em;
    color: var(--text-muted);
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}
.item-meta a { font-size: 1em; }

/* === Tag pills === */
.tag-pill {
    display: inline-block;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 0.85em;
    border: 1px solid var(--border);
}

/* === Priority indicators === */
.priority-high { color: var(--red); }
.priority-medium { color: var(--yellow); }
.priority-low { color: var(--green); }

/* === Expandable content === */
.content-area {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.35s ease, opacity 0.25s ease, padding 0.3s ease;
    border-top: 0px solid transparent;
}
.content-area.open {
    max-height: none;
    overflow: visible;
    opacity: 1;
    padding: 16px;
    border-top: 1px solid var(--border);
}

/* === Markdown content === */
.markdown-content {
    padding: 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 12px;
    line-height: 1.7;
    font-size: 0.92em;
    color: var(--text-primary);
}
.markdown-content h1, .markdown-content h2, .markdown-content h3 {
    margin-top: 1em; margin-bottom: 0.5em; color: var(--text-primary);
}
.markdown-content h1 { font-size: 1.3em; }
.markdown-content h2 { font-size: 1.15em; }
.markdown-content h3 { font-size: 1.0em; }
.markdown-content p { margin: 0.5em 0; }
.markdown-content ul, .markdown-content ol { padding-left: 1.5em; margin: 0.5em 0; }
.markdown-content code {
    background: var(--bg-tertiary); color: var(--orange);
    padding: 2px 6px; border-radius: 4px; font-size: 0.88em;
}
.markdown-content pre {
    background: #0d1117; border: 1px solid var(--border);
    padding: 14px; border-radius: 6px; overflow-x: auto;
}
.markdown-content pre code { background: none; padding: 0; color: var(--text-primary); }
.markdown-content blockquote {
    border-left: 3px solid var(--accent-dim); margin: 0.8em 0;
    padding: 0.5em 1em; background: var(--accent-subtle); border-radius: 0 6px 6px 0;
}
.markdown-content a { color: var(--accent); }

/* === Content editor === */
.content-textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.88em;
    resize: vertical;
    line-height: 1.6;
}
.content-textarea:focus { outline: none; border-color: var(--accent-dim); }

.content-buttons { margin-top: 10px; display: flex; gap: 8px; }

/* === Buttons === */
.btn-primary {
    background: var(--accent-dim); color: white;
    padding: 6px 14px; border: none; border-radius: 6px;
    font-size: 0.82em; cursor: pointer; font-weight: 500; transition: all 0.15s;
}
.btn-primary:hover { background: var(--accent); }
.btn-success {
    background: var(--green-dim); color: white;
    padding: 6px 14px; border: none; border-radius: 6px;
    font-size: 0.82em; cursor: pointer; transition: all 0.15s;
}
.btn-success:hover { background: var(--green); }
.btn-danger {
    background: transparent; color: var(--red); border: 1px solid var(--red-dim);
    padding: 5px 12px; border-radius: 6px;
    font-size: 0.82em; cursor: pointer; transition: all 0.15s;
}
.btn-danger:hover { background: rgba(248,81,73,0.1); }
.btn-ghost {
    background: transparent; color: var(--text-secondary);
    border: 1px solid var(--border); padding: 5px 12px;
    border-radius: 6px; font-size: 0.82em; cursor: pointer; transition: all 0.15s;
}
.btn-ghost:hover { background: var(--bg-tertiary); color: var(--text-primary); }

.edit-btn {
    background: var(--bg-tertiary); border: 1px solid var(--border);
    padding: 4px 12px; border-radius: 4px; cursor: pointer;
    font-size: 0.78em; color: var(--text-secondary); transition: all 0.15s;
}
.edit-btn:hover { background: var(--border); color: var(--text-primary); }

/* === Actions row === */
.item-actions {
    padding: 10px 16px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    border-top: 1px solid var(--border);
    font-size: 0.82em;
}
.item-actions a {
    padding: 4px 10px;
    border-radius: 4px;
    color: var(--text-secondary);
    transition: all 0.15s;
}
.item-actions a:hover { background: var(--bg-tertiary); color: var(--text-primary); }

/* === Inline forms in actions === */
.item-actions form { display: inline-flex; align-items: center; gap: 4px; }
.item-actions input[type="date"], .item-actions select {
    padding: 3px 6px; background: var(--bg-input); border: 1px solid var(--border);
    border-radius: 4px; color: var(--text-secondary); font-size: 0.95em;
}
.item-actions input[type="file"] {
    width: 120px; font-size: 0.85em; color: var(--text-muted);
}
.item-actions button {
    padding: 3px 8px; border-radius: 4px; border: 1px solid var(--border);
    background: var(--bg-tertiary); color: var(--text-secondary);
    font-size: 0.95em; cursor: pointer; transition: all 0.15s;
}
.item-actions button:hover { background: var(--border); color: var(--text-primary); }

/* === Add form panel === */
.add-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}
.add-panel h3 {
    font-size: 0.95em; font-weight: 600; color: var(--text-primary);
    margin-bottom: 14px;
}
.add-panel input[type="text"], .add-panel input[type="number"], .add-panel input[type="date"],
.add-panel textarea, .add-panel select {
    width: 100%; padding: 10px 12px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: 6px; color: var(--text-primary);
    font-size: 0.9em; margin-bottom: 10px;
}
.add-panel input:focus, .add-panel textarea:focus, .add-panel select:focus,
.add-panel input[type="number"]:focus, .add-panel input[type="date"]:focus {
    outline: none; border-color: var(--accent-dim);
}
.add-panel textarea { font-family: inherit; resize: vertical; min-height: 80px; }
.add-panel label { font-size: 0.85em; color: var(--text-secondary); }
.add-panel .form-row-inline { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0; }
.add-panel .form-row-inline select, .add-panel .form-row-inline input {
    width: auto; flex: 1; min-width: 120px;
}

.add-btn {
    background: var(--accent-dim); color: white;
    padding: 10px 20px; border: none; border-radius: 6px;
    font-size: 0.9em; cursor: pointer; font-weight: 500;
    transition: all 0.15s;
}
.add-btn:hover { background: var(--accent); }

/* === Stats bar === */
.stats-bar {
    font-size: 0.82em;
    color: var(--text-muted);
    padding: 8px 0;
    margin-bottom: 12px;
    display: flex;
    gap: 16px;
    align-items: center;
}
.stats-bar a { font-size: 1em; }

/* === Tags in sort bar === */
.tag-filter { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }

/* === Quiz chat === */
.quiz-container {
    margin-top: 12px; padding: 12px;
    background: var(--bg-primary); border: 1px solid var(--border);
    border-radius: 6px;
}
.quiz-container h4 {
    font-size: 0.85em; color: var(--text-secondary); margin-bottom: 10px;
}
.chat-messages {
    height: 280px; overflow-y: auto;
    border: 1px solid var(--border); padding: 10px;
    border-radius: 6px; margin-bottom: 10px;
    background: var(--bg-secondary);
}
.message { margin-bottom: 8px; padding: 8px 12px; border-radius: 6px; font-size: 0.88em; }
.message.user-message {
    background: var(--accent-dim); color: white;
    margin-left: 20%; text-align: right;
}
.message.assistant-message {
    background: var(--bg-tertiary); color: var(--text-primary);
    margin-right: 20%;
}

/* === Autocomplete === */
.autocomplete-wrapper { position: relative; display: inline-block; width: 100%; }
.autocomplete-dropdown {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 6px; box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    z-index: 100; max-height: 200px; overflow-y: auto;
}
.autocomplete-item {
    padding: 8px 12px; cursor: pointer; font-size: 0.88em;
    color: var(--text-secondary); transition: background 0.1s;
}
.autocomplete-item:hover { background: var(--accent-subtle); color: var(--text-primary); }

/* === Empty state === */
.empty-state {
    text-align: center; padding: 60px 20px; color: var(--text-muted);
}
.empty-state h3 { font-size: 1.1em; font-weight: 500; margin-bottom: 8px; color: var(--text-secondary); }

/* === Login === */
.login-body {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; background: var(--bg-primary);
}
.login-container {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 12px; padding: 40px; max-width: 400px; width: 100%;
    text-align: center;
}
.login-container h1 { font-size: 1.5em; font-weight: 600; margin-bottom: 8px; }
.login-container .subtitle {
    color: var(--text-muted); font-size: 0.85em; margin-bottom: 24px;
}
.login-container .flash-messages {
    margin: 16px 0; text-align: left;
}
.oauth-section { margin-top: 20px; }

/* === Skill tree === */
.skill-tree { padding: 4px 0; }
.skill-node { position: relative; }
.skill-children { border-left: 1px solid var(--border); margin-left: 16px; }

.skill-header {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    cursor: pointer;
    gap: 12px;
}
.skill-header:hover { background: var(--bg-tertiary); border-radius: 8px; }

.skill-connector {
    width: 16px;
    height: 1px;
    background: var(--border);
    flex-shrink: 0;
    margin-left: -16px;
}

.skill-level-badge {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85em;
    flex-shrink: 0;
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    color: var(--text-secondary);
}
/* Level tiers: level / 10 gives tier 0-10 */
.skill-level-badge.level-0 { border-color: var(--text-muted); color: var(--text-muted); }
.skill-level-badge.level-1 { border-color: var(--text-muted); color: var(--text-muted); }
.skill-level-badge.level-2 { border-color: #4a8; color: #4a8; }
.skill-level-badge.level-3 { border-color: var(--green); color: var(--green); }
.skill-level-badge.level-4 { border-color: #58a6ff; color: #58a6ff; }
.skill-level-badge.level-5 { border-color: var(--accent); color: var(--accent); }
.skill-level-badge.level-6 { border-color: var(--purple); color: var(--purple); background: rgba(188,140,255,0.08); }
.skill-level-badge.level-7 { border-color: var(--purple); color: var(--purple); background: rgba(188,140,255,0.15); }
.skill-level-badge.level-8 { border-color: var(--orange); color: var(--orange); background: rgba(219,109,40,0.1); }
.skill-level-badge.level-9 { border-color: #f0883e; color: #f0883e; background: rgba(240,136,62,0.15); }
.skill-level-badge.level-10 { border-color: var(--red); color: var(--red); background: rgba(248,81,73,0.15); box-shadow: 0 0 8px rgba(248,81,73,0.3); }

.skill-info { flex: 1; min-width: 0; }

.skill-level-bar-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    width: 180px;
}
.skill-level-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}
.skill-level-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-dim), var(--accent));
    border-radius: 3px;
    transition: width 0.4s ease;
}
.skill-level-text {
    font-size: 0.7em;
    color: var(--text-muted);
    white-space: nowrap;
    min-width: 50px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* === Editor side panel === */
.editor-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 45%;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    z-index: 100;
    display: flex;
    flex-direction: column;
    padding: 20px;
}
.editor-panel.open { transform: translateX(0); }
.main-content.with-editor-panel { margin-right: 45%; }
.editor-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.editor-panel-title {
    font-size: 1em;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.editor-panel-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5em;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
}
.editor-panel-close:hover { color: var(--text-primary); }
.editor-panel-form { display: flex; flex-direction: column; flex: 1; }
.editor-panel-textarea {
    flex: 1;
    min-height: 300px;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.88em;
    line-height: 1.6;
    resize: none;
}
.editor-panel-textarea:focus { outline: none; border-color: var(--accent-dim); }
.editor-panel-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}
.note-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    line-height: 1.7;
    font-size: 0.9em;
}
.note-panel-locked {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
@media (max-width: 1024px) {
    .editor-panel { width: 60%; }
    .main-content.with-editor-panel { margin-right: 60%; }
}
@media (max-width: 768px) {
    .editor-panel { width: 100%; }
    .main-content.with-editor-panel { margin-right: 0; display: none; }
}

/* === Folder grid view === */
.folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 8px;
}
.folder-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.15s;
    cursor: pointer;
}
.folder-card:hover {
    border-color: var(--accent-dim);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.folder-card-icon {
    font-size: 2.2em;
    margin-bottom: 8px;
}
.folder-card-name {
    font-size: 0.88em;
    font-weight: 600;
    text-align: center;
    word-break: break-word;
}
.folder-card-count {
    font-size: 0.75em;
    color: var(--text-muted);
    margin-top: 4px;
}

/* === Bookmark cards === */
.bookmark-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 6px;
    transition: all 0.15s;
}
.bookmark-card:hover {
    border-color: var(--accent-dim);
    background: var(--bg-tertiary);
}
.bookmark-info { flex: 1; min-width: 0; }
.bookmark-title {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9em;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.bookmark-title:hover { color: var(--accent); }
.bookmark-url {
    display: block;
    font-size: 0.75em;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}
.bookmark-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 12px;
    flex-shrink: 0;
}

/* === Bulk action bar === */
.bulk-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--accent-dim);
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 0.85em;
    color: var(--text-secondary);
}

/* === Move dialog === */
.move-dialog {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}
.move-dialog-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    min-width: 320px;
    max-width: 400px;
}
.move-dialog-content h3 {
    margin: 0 0 16px;
    font-size: 1em;
    color: var(--text-primary);
}
.move-dialog-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* === Context menu === */
.context-menu {
    position: absolute;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 0;
    min-width: 140px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
    z-index: 300;
}
.context-menu-item {
    padding: 8px 16px;
    font-size: 0.85em;
    color: var(--text-primary);
    cursor: pointer;
}
.context-menu-item:hover {
    background: var(--bg-tertiary);
}

/* Folder card drag-over state */
.folder-card.drag-over {
    border-color: var(--accent);
    background: var(--accent-subtle);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(88,166,255,0.2);
}

/* === Todo-specific === */
.todo-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-radius: 4px;
    margin-right: 10px;
    font-size: 0.75em;
    color: transparent;
    transition: all 0.15s;
    flex-shrink: 0;
    text-decoration: none;
}
.todo-check:hover { border-color: var(--green); }
.todo-check.checked {
    background: var(--green-dim);
    border-color: var(--green-dim);
    color: white;
}

.pin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    font-size: 0.9em;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 3px;
    transition: all 0.15s;
    flex-shrink: 0;
}
.pin-btn:hover { color: var(--accent); background: var(--accent-subtle); }
.pin-btn.pinned { color: var(--accent); }

.todo-subject {
    font-size: 0.75em;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
    white-space: nowrap;
}

/* Todo header chips */
.todo-chips {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
    margin-left: 8px;
}
.todo-chip {
    font-size: 0.7em;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
    border: 1px solid transparent;
}
.chip-subject { background: rgba(139,148,158,0.12); color: var(--text-secondary); border-color: rgba(139,148,158,0.2); }
.chip-folder { background: rgba(139,148,158,0.08); color: var(--text-muted); }
.chip-date { background: rgba(88,166,255,0.1); color: var(--accent); border-color: rgba(88,166,255,0.2); }
.chip-value { background: rgba(88,166,255,0.1); color: var(--accent); border-color: rgba(88,166,255,0.15); }
.chip-effort { background: rgba(188,140,255,0.1); color: var(--purple); border-color: rgba(188,140,255,0.15); }
.chip-time { background: rgba(63,185,80,0.08); color: var(--green); border-color: rgba(63,185,80,0.12); }
.chip-dep { background: rgba(210,153,34,0.1); color: var(--yellow); border-color: rgba(210,153,34,0.15); text-transform: none; }
.chip-tag { background: rgba(63,185,80,0.08); color: var(--green); border-color: rgba(63,185,80,0.15); }

.todo-badge {
    font-size: 0.75em;
    padding: 1px 7px;
    border-radius: 3px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.urgency-critical { background: rgba(248,81,73,0.15); color: var(--red); }
.urgency-high { background: rgba(219,109,40,0.15); color: var(--orange); }
.urgency-medium { background: rgba(210,153,34,0.15); color: var(--yellow); }
.urgency-low { background: rgba(63,185,80,0.1); color: var(--green); }
.value-critical { background: rgba(88,166,255,0.12); color: var(--accent); }
.value-high { background: rgba(88,166,255,0.08); color: var(--accent); }
.value-medium { background: rgba(139,148,158,0.12); color: var(--text-secondary); }
.value-low { background: rgba(139,148,158,0.08); color: var(--text-muted); }
.difficulty { background: rgba(188,140,255,0.1); color: var(--purple); }
.value-badge { background: rgba(88,166,255,0.1); color: var(--accent); }

.net-score {
    font-size: 0.75em;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.net-positive { background: rgba(63,185,80,0.12); color: var(--green); }
.net-negative { background: rgba(248,81,73,0.12); color: var(--red); }
.net-zero { background: rgba(139,148,158,0.08); color: var(--text-muted); }

/* === Global dark inputs (date, number, select) === */
input[type="date"], input[type="number"] {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 0.88em;
    color-scheme: dark;
}
input[type="date"]:focus, input[type="number"]:focus {
    outline: none;
    border-color: var(--accent-dim);
}
.content-area select, .content-area input[type="date"], .content-area input[type="number"],
.form-row-inline select, .form-row-inline input[type="date"], .form-row-inline input[type="number"] {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 0.88em;
    color-scheme: dark;
}
.content-area select:focus, .form-row-inline select:focus {
    outline: none;
    border-color: var(--accent-dim);
}

/* === Daily checklist === */
.checklist-section { margin-bottom: 20px; }
.checklist-section-title {
    font-size: 0.78em;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    font-weight: 600;
    padding: 8px 0 6px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 4px;
}
.checklist-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 12px;
    border-radius: 6px;
    transition: background 0.2s, opacity 0.3s;
}
.checklist-item:hover { background: var(--bg-tertiary); }
.checklist-item.completed { opacity: 0.5; }
.checklist-item.completed .checklist-label {
    text-decoration: line-through;
    color: var(--text-muted);
}
.checklist-label { font-size: 0.92em; }
.completion-bar {
    width: 120px;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    margin-left: 8px;
}
.completion-fill {
    height: 100%;
    background: var(--green);
    border-radius: 3px;
    transition: width 0.3s;
}

/* === Export buttons === */
.export-btn {
    display: block;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9em;
    transition: all 0.15s;
}
.export-btn:hover {
    background: var(--accent-subtle);
    border-color: var(--accent-dim);
    color: var(--accent);
}

/* === List tables === */
.list-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88em;
}
.list-table th {
    text-align: left;
    padding: 8px 12px;
    font-size: 0.78em;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
}
.list-table td {
    padding: 6px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    vertical-align: middle;
}
.list-table tr:hover td {
    background: var(--bg-tertiary);
}
.list-table .add-row td {
    border-bottom: none;
    padding-top: 12px;
}
.list-cell-input {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-primary);
    padding: 4px 6px;
    border-radius: 3px;
    width: 100%;
    font-size: 0.95em;
}
.list-cell-input:focus {
    outline: none;
    border-color: var(--accent-dim);
    background: var(--bg-tertiary);
}
.column-item {
    display: flex;
    align-items: center;
    padding: 6px 8px;
    margin: 2px 0;
    background: var(--bg-tertiary);
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 0.82em;
    color: var(--text-secondary);
    transition: all 0.15s;
}
.column-item:hover { border-color: var(--border); }
.column-item.drag-over { border-color: var(--accent-dim); background: var(--bg-secondary); }

/* === Responsive === */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; padding: 16px; }
    .type-tabs { overflow-x: auto; }
    .quick-capture { flex-wrap: wrap; }
    .item-actions { flex-direction: column; align-items: flex-start; }
}