:root {
    --bg: #1a1b26;
    --bg-surface: #24283b;
    --bg-hover: #292e42;
    --bg-selected: #33394d;
    --text: #c0caf5;
    --text-dim: #565f89;
    --text-muted: #3b4261;
    --accent: #7aa2f7;
    --accent-dim: #3d59a1;
    --green: #9ece6a;
    --red: #f7768e;
    --yellow: #e0af68;
    --orange: #ff9e64;
    --purple: #bb9af7;
    --cyan: #7dcfff;
    --border: #292e42;
    --radius: 6px;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Menlo, monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
    height: 100vh;
    overflow: hidden;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Header */
header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.logo {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.5px;
}

nav {
    display: flex;
    gap: 4px;
}

.nav-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--text-dim);
    padding: 4px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    font-family: var(--font-mono);
    transition: all 0.15s;
}

.nav-btn:hover { color: var(--text); background: var(--bg-hover); }
.nav-btn.active { color: var(--accent); border-color: var(--accent-dim); background: var(--bg); }

#capture-bar {
    flex: 1;
    max-width: 600px;
}

#capture-input {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
}

#capture-input:focus {
    border-color: var(--accent);
}

#capture-input::placeholder {
    color: var(--text-muted);
}

/* Main layout */
main {
    display: grid;
    grid-template-columns: 180px 1fr 320px;
    flex: 1;
    overflow: hidden;
}

/* Tag rail */
#tag-rail {
    border-right: 1px solid var(--border);
    padding: 12px 0;
    overflow-y: auto;
}

.tag-item {
    display: flex;
    justify-content: space-between;
    padding: 6px 16px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-dim);
    transition: all 0.1s;
}

.tag-item:hover { background: var(--bg-hover); color: var(--text); }
.tag-item.active { color: var(--accent); background: var(--bg-selected); }

.tag-name { font-family: var(--font-mono); }
.tag-name::before { content: '#'; color: var(--text-muted); }
.tag-count {
    font-size: 11px;
    color: var(--text-muted);
    min-width: 20px;
    text-align: right;
}

/* Entity list */
#entity-list {
    overflow-y: auto;
    padding: 8px 0;
}

.date-header {
    padding: 8px 20px 4px;
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    text-transform: lowercase;
    letter-spacing: 0.5px;
}

.entity-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    cursor: pointer;
    transition: background 0.1s;
    border-left: 2px solid transparent;
}

.entity-item:hover { background: var(--bg-hover); }
.entity-item.selected {
    background: var(--bg-selected);
    border-left-color: var(--accent);
}

.entity-glyph {
    font-size: 14px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.glyph-note { color: var(--text-dim); }
.glyph-todo { color: var(--green); }
.glyph-event { color: var(--yellow); }
.glyph-snippet { color: var(--accent); }
.glyph-template { color: var(--purple); }
.glyph-checklist { color: var(--orange); }
.glyph-decision { color: var(--cyan); }
.glyph-link { color: var(--red); }

.entity-body {
    flex: 1;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.entity-time {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-dim);
    flex-shrink: 0;
}

.entity-tags {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.entity-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--accent-dim);
    background: rgba(122, 162, 247, 0.1);
    padding: 1px 6px;
    border-radius: 3px;
}

.entity-meta {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    flex-shrink: 0;
    display: flex;
    gap: 8px;
}

.use-badge {
    color: var(--yellow);
    font-size: 10px;
}

/* Detail pane */
#detail-pane {
    border-left: 1px solid var(--border);
    padding: 20px;
    overflow-y: auto;
}

.detail-empty {
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
    margin-top: 40px;
}

.detail-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.detail-glyph { font-size: 20px; }

.detail-id {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.detail-body {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 16px;
    white-space: pre-wrap;
    word-break: break-word;
}

.detail-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.detail-tag {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent);
    background: rgba(122, 162, 247, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
}

.detail-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.action-btn {
    background: var(--bg-hover);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 6px 14px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 12px;
    font-family: var(--font-mono);
    transition: all 0.15s;
}

.action-btn:hover { border-color: var(--accent); color: var(--accent); }
.action-btn.primary { background: var(--accent-dim); border-color: var(--accent); color: white; }
.action-btn.danger { border-color: var(--red); color: var(--red); }
.action-btn.danger:hover { background: rgba(247, 118, 142, 0.1); }

/* Template slot form */
.slot-form { margin: 16px 0; }

.slot-field {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.slot-label {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--purple);
    min-width: 80px;
}

.slot-input {
    flex: 1;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
    outline: none;
}

.slot-input:focus { border-color: var(--purple); }

/* Checklist */
.checklist-step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}

.checklist-step input[type="checkbox"] {
    accent-color: var(--green);
}

.checklist-step.done span {
    text-decoration: line-through;
    color: var(--text-dim);
}

/* Decision card */
.decision-field {
    margin-bottom: 12px;
}

.decision-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--cyan);
    margin-bottom: 4px;
}

.decision-value {
    font-size: 13px;
    color: var(--text);
}

/* Modal */
.modal { display: none; }
.modal.visible { display: flex; }

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 100;
}

.modal-content {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    z-index: 101;
    min-width: 320px;
}

.modal-content h3 {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text);
    margin-bottom: 16px;
    font-weight: 500;
}

.type-picker {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.type-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.15s;
}

.type-btn:hover { border-color: var(--accent); background: var(--bg-hover); }
.type-btn.suggested { border-color: var(--accent-dim); background: rgba(122, 162, 247, 0.05); }

.type-glyph { font-size: 16px; width: 24px; text-align: center; }

.modal-close {
    display: block;
    width: 100%;
    margin-top: 12px;
    padding: 6px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 11px;
    cursor: pointer;
    font-family: var(--font-mono);
}

/* Responsive */
@media (max-width: 900px) {
    main { grid-template-columns: 1fr; }
    #tag-rail { display: none; }
    #detail-pane {
        position: fixed;
        inset: 0;
        top: auto;
        height: 50vh;
        background: var(--bg-surface);
        border-top: 1px solid var(--border);
        border-left: none;
        transform: translateY(100%);
        transition: transform 0.2s;
        z-index: 50;
    }
    #detail-pane.visible { transform: translateY(0); }
}