/* Captain Claw — Deep Memory Dashboard */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-hover: #30363d;
    --border: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --green: #3fb950;
    --red: #f85149;
    --yellow: #d29922;
    --orange: #f78166;
    --purple: #bc8cff;
    --radius: 8px;
    --radius-sm: 6px;
    --radius-lg: 16px;
    --header-height: 48px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

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

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

/* ─── Header ──────────────────────────────────────────── */

.dm-header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    flex-shrink: 0;
}

.dm-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dm-header-left h1 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.dm-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.dm-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dm-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background 0.15s;
}

.dm-nav-link:hover {
    color: var(--accent);
    background: var(--bg-tertiary);
}

.dm-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-muted);
    padding: 2px 10px;
    background: var(--bg-tertiary);
    border-radius: 12px;
}

.dm-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}

.dm-status-dot.connected { background: var(--green); }
.dm-status-dot.error { background: var(--red); }

/* ─── Layout ──────────────────────────────────────────── */

.dm-layout {
    display: flex;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}

/* ─── Panel 1: Sidebar ────────────────────────────────── */

.dm-sidebar {
    width: 220px;
    min-width: 180px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    flex-shrink: 0;
    padding: 12px 0;
}

.dm-sidebar::-webkit-scrollbar { width: 5px; }
.dm-sidebar::-webkit-scrollbar-track { background: transparent; }
.dm-sidebar::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 3px; }

/* Stats card */
.dm-stats-card {
    margin: 0 12px 16px;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.dm-stats-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.dm-stats-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3px 0;
    font-size: 12px;
}

.dm-stats-label { color: var(--text-secondary); }
.dm-stats-value {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-primary);
}

/* Filter sections */
.dm-filter-section {
    margin-bottom: 12px;
}

.dm-filter-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    padding: 0 16px;
    margin-bottom: 4px;
}

.dm-filter-list {
    display: flex;
    flex-direction: column;
}

.dm-filter-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 16px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    transition: background 0.1s;
    border-left: 3px solid transparent;
    user-select: none;
}

.dm-filter-item:hover { background: var(--bg-hover); }

.dm-filter-item.selected {
    background: var(--bg-tertiary);
    border-left-color: var(--accent);
    color: var(--text-primary);
    font-weight: 600;
}

.dm-filter-count {
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: var(--bg-primary);
    padding: 0 6px;
    border-radius: 8px;
    flex-shrink: 0;
}

/* Tag chips in sidebar */
.dm-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 4px 16px;
}

.dm-tag-chip {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.1s;
    user-select: none;
}

.dm-tag-chip:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.dm-tag-chip.selected {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ─── Panel 2: Document List ──────────────────────────── */

.dm-list-panel {
    width: 360px;
    min-width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
}

.dm-list-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.dm-search {
    flex: 1;
    padding: 7px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
}

.dm-search:focus { border-color: var(--accent); }
.dm-search::placeholder { color: var(--text-muted); }

.dm-add-btn {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 20px;
    font-weight: 300;
    cursor: pointer;
    transition: background 0.15s;
    flex-shrink: 0;
    line-height: 1;
}

.dm-add-btn:hover { background: var(--accent-hover); }

.dm-item-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.dm-item-list::-webkit-scrollbar { width: 6px; }
.dm-item-list::-webkit-scrollbar-track { background: transparent; }
.dm-item-list::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 3px; }

.dm-loading {
    padding: 24px 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.dm-list-empty {
    padding: 32px 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.dm-list-empty-sub {
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-muted);
    opacity: 0.7;
}

.dm-list-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 10px 14px;
    cursor: pointer;
    transition: background 0.1s;
    border-bottom: 1px solid var(--border);
    border-left: 3px solid transparent;
}

.dm-list-item:hover { background: var(--bg-hover); }

.dm-list-item.selected {
    background: var(--bg-tertiary);
    border-left-color: var(--accent);
}

.dm-list-item-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dm-list-item-sub {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dm-list-item-badges {
    display: flex;
    gap: 6px;
    margin-top: 2px;
    flex-wrap: wrap;
}

.dm-list-footer {
    padding: 6px 14px;
    border-top: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    flex-shrink: 0;
}

/* ─── Panel 3: Detail ─────────────────────────────────── */

.dm-detail {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* Empty / not-connected states */
.dm-empty, .dm-not-connected {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-muted);
}

.dm-empty-icon { font-size: 48px; opacity: 0.5; }
.dm-empty-text { font-size: 14px; }
.dm-empty-sub { font-size: 12px; opacity: 0.7; }

/* Detail view */
.dm-detail-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.dm-detail-toolbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--bg-secondary);
    gap: 16px;
}

.dm-detail-title-area {
    flex: 1;
    min-width: 0;
}

.dm-detail-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dm-detail-meta {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

.dm-detail-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.dm-detail-info {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    padding: 10px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.dm-info-item {
    font-size: 12px;
    color: var(--text-secondary);
}

.dm-info-label {
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.4px;
    margin-right: 4px;
}

/* Chunks area */
.dm-chunks-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.dm-chunks-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.dm-chunks-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.dm-chunks-count {
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 1px 8px;
    border-radius: 8px;
}

.dm-chunks-list {
    flex: 1;
    overflow-y: auto;
    padding: 12px 20px;
}

.dm-chunks-list::-webkit-scrollbar { width: 6px; }
.dm-chunks-list::-webkit-scrollbar-track { background: transparent; }
.dm-chunks-list::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 3px; }

.dm-chunk {
    margin-bottom: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.dm-chunk-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-secondary);
}

.dm-chunk-idx {
    font-weight: 600;
    color: var(--accent);
    font-family: var(--font-mono);
}

.dm-chunk-lines {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 10px;
}

.dm-chunk-text {
    padding: 10px 12px;
    background: var(--bg-primary);
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 300px;
    overflow-y: auto;
}

.dm-chunk-text::-webkit-scrollbar { width: 5px; }
.dm-chunk-text::-webkit-scrollbar-track { background: transparent; }
.dm-chunk-text::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 3px; }

/* ─── Index Form ──────────────────────────────────────── */

.dm-index-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.dm-form-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--bg-secondary);
}

.dm-form-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.dm-form-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.dm-form-fields {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
}

.dm-form-group {
    margin-bottom: 14px;
}

.dm-form-row {
    display: flex;
    gap: 12px;
}

.dm-form-half {
    flex: 1;
}

.dm-form-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.dm-form-label .required {
    color: var(--red);
    margin-left: 2px;
}

.dm-input, .dm-textarea {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
}

.dm-input:focus, .dm-textarea:focus { border-color: var(--accent); }
.dm-input::placeholder, .dm-textarea::placeholder { color: var(--text-muted); }

.dm-textarea {
    min-height: 120px;
    resize: vertical;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
}

/* ─── Buttons ─────────────────────────────────────────── */

.dm-btn {
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: var(--font);
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: all 0.15s;
    white-space: nowrap;
}

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

.dm-btn.secondary {
    background: transparent;
    color: var(--text-secondary);
}
.dm-btn.secondary:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.dm-btn.danger {
    background: transparent;
    color: var(--red);
    border-color: var(--border);
}
.dm-btn.danger:hover {
    background: var(--red);
    color: #fff;
    border-color: var(--red);
}

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

/* ─── Badges ──────────────────────────────────────────── */

.dm-badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.dm-badge.source-manual    { background: #bc8cff20; color: var(--purple); border: 1px solid #bc8cff30; }
.dm-badge.source-web_fetch { background: #58a6ff20; color: var(--accent); border: 1px solid #58a6ff30; }
.dm-badge.source-pdf       { background: #f7816620; color: var(--orange); border: 1px solid #f7816630; }
.dm-badge.source-scale     { background: #3fb95020; color: var(--green);  border: 1px solid #3fb95030; }
.dm-badge.source-default   { background: #6e768115; color: var(--text-secondary); border: 1px solid #6e768120; }

.dm-badge.chunks {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    font-family: var(--font-mono);
}

.dm-tag-sm {
    display: inline-block;
    padding: 0 6px;
    border-radius: 8px;
    font-size: 9px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

/* ─── Modal ───────────────────────────────────────────── */

.dm-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.dm-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    min-width: 360px;
    max-width: 480px;
}

.dm-modal-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.dm-modal-body {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.dm-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ─── Toast ───────────────────────────────────────────── */

.dm-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 10px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--text-primary);
    z-index: 1001;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.2s, transform 0.2s;
    pointer-events: none;
}

.dm-toast.show { opacity: 1; transform: translateY(0); }
.dm-toast.success { border-color: var(--green); }
.dm-toast.error   { border-color: var(--red); }

/* ─── Responsive ──────────────────────────────────────── */

@media (max-width: 1000px) {
    .dm-sidebar { display: none; }
}

@media (max-width: 700px) {
    .dm-layout { flex-direction: column; }
    .dm-list-panel {
        width: 100%;
        min-width: unset;
        max-height: 250px;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}