/* Captain Claw — Skills Browser */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-hover: #30363d;
    --border: #30363d;
    --border-light: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --green: #3fb950;
    --red: #f85149;
    --orange: #f78166;
    --purple: #bc8cff;
    --radius: 8px;
    --radius-sm: 6px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --mono: 'SF Mono', 'Cascadia Code', 'Fira Code', Consolas, 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 ─────────────────────────────────────────── */

.sk-header {
    display: flex;
    align-items: center;
    height: 48px;
    padding: 0 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    gap: 16px;
}

.sk-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.sk-logo-link {
    display: flex;
    align-items: center;
    border-radius: 6px;
}

.sk-logo-link img { border-radius: 5px; }

.sk-header-left h1 {
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
}

.sk-header-center { flex: 1; display: flex; justify-content: center; }

.sk-search {
    width: 100%;
    max-width: 360px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
}
.sk-search:focus {
    outline: none;
    border-color: var(--accent);
}
.sk-search::placeholder { color: var(--text-muted); }

.sk-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.sk-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
}
.sk-nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

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

.sk-layout {
    display: flex;
    height: calc(100vh - 48px);
}

/* ─── Left panel: list ───────────────────────────────── */

.sk-list-panel {
    width: 360px;
    min-width: 260px;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    background: var(--bg-secondary);
}

.sk-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    gap: 8px;
    flex-shrink: 0;
}

.sk-list-count {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}

.sk-list-actions {
    display: flex;
    gap: 6px;
}

.sk-action-btn {
    padding: 4px 10px;
    font-size: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font);
    white-space: nowrap;
}
.sk-action-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent);
}
.sk-action-btn.primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.sk-action-btn.primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}
.sk-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Install form */
.sk-install-form {
    display: flex;
    gap: 6px;
    padding: 8px 14px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-primary);
    flex-shrink: 0;
}
.sk-install-form input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 8px;
    font-size: 12px;
    color: var(--text-primary);
    font-family: var(--mono);
}
.sk-install-form input:focus {
    outline: none;
    border-color: var(--accent);
}
.sk-install-form input::placeholder { color: var(--text-muted); }

/* Skills list */
.sk-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 10px;
}

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

/* Group label */
.sk-group-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 10px 4px 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.sk-group-count {
    font-weight: 400;
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: 0;
}

/* Skill item */
.sk-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 13px;
    margin-bottom: 4px;
}
.sk-item:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
}
.sk-item.selected {
    border-color: var(--accent);
    background: var(--bg-tertiary);
    box-shadow: inset 2px 0 0 var(--accent);
}

.sk-item-icon {
    font-size: 16px;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}

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

.sk-item-name {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sk-item-desc {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 1px;
}

.sk-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}
.sk-dot.active { background: var(--green); }
.sk-dot.inactive { background: var(--text-muted); opacity: 0.5; }
.sk-dot.disabled { background: var(--red); opacity: 0.7; }

/* Disabled skill item */
.sk-item.disabled {
    opacity: 0.5;
}
.sk-item.disabled:hover {
    opacity: 0.75;
}

/* ─── Right panel: detail ────────────────────────────── */

.sk-detail {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-primary);
}

.sk-detail-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 12px;
    color: var(--text-muted);
}
.sk-detail-empty-icon {
    font-size: 48px;
    opacity: 0.3;
}
.sk-detail-empty-text {
    font-size: 14px;
}

.sk-detail-content {
    padding: 24px 32px;
    max-width: 720px;
}

.sk-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.sk-detail-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Toggle button */
.sk-toggle-btn {
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font);
    white-space: nowrap;
    flex-shrink: 0;
}
.sk-toggle-btn.disable {
    background: transparent;
    color: var(--red);
    border-color: var(--red);
}
.sk-toggle-btn.disable:hover {
    background: rgba(248,81,73,0.1);
}
.sk-toggle-btn.enable {
    background: transparent;
    color: var(--green);
    border-color: var(--green);
}
.sk-toggle-btn.enable:hover {
    background: rgba(63,185,80,0.1);
}
.sk-toggle-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.sk-detail-body {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Sections */
.sk-section {
    margin-bottom: 16px;
}

.sk-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

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

.sk-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.sk-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}
.sk-badge.green { background: rgba(63,185,80,0.15); color: var(--green); }
.sk-badge.gray { background: var(--bg-tertiary); color: var(--text-muted); }
.sk-badge.red { background: rgba(248,81,73,0.15); color: var(--red); }
.sk-badge.purple { background: rgba(188,140,255,0.12); color: var(--purple); }

.sk-req-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 3px 0;
    font-size: 13px;
}
.sk-req-row code {
    background: var(--bg-tertiary);
    padding: 1px 6px;
    border-radius: 3px;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-primary);
}

.sk-path {
    display: block;
    font-size: 12px;
    padding: 6px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-family: var(--mono);
    word-break: break-all;
    color: var(--text-secondary);
    user-select: all;
    margin-top: 2px;
}

.sk-detail-body a {
    color: var(--accent);
    text-decoration: none;
}
.sk-detail-body a:hover { text-decoration: underline; }

.hidden { display: none !important; }

/* ─── Scrollbar ──────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }