/* Quorum — Dark Theme */
:root {
    --bg: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border: #30363d;
    --text: #e6edf3;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --green: #3fb950;
    --red: #f85149;
    --yellow: #d29922;
    --purple: #bc8cff;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
}

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

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

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

/* Navigation */
nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .brand {
    font-weight: 700;
    font-size: 18px;
    color: var(--text);
    margin-right: 32px;
}

nav .brand:hover { text-decoration: none; }

nav a {
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s;
}

nav a:hover {
    color: var(--text);
    background: var(--bg-tertiary);
    text-decoration: none;
}

nav a.active {
    color: var(--accent);
}

/* Main content */
main {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 12px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
}

.card-meta {
    color: var(--text-secondary);
    font-size: 13px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    color: var(--text);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    background: var(--border);
    text-decoration: none;
    color: var(--text);
}

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

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

.btn-danger {
    color: var(--red);
    border-color: var(--red);
}

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

.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

input[type="text"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.15s;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent);
}

textarea { resize: vertical; min-height: 100px; }

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Status badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-active {
    background: rgba(63, 185, 80, 0.15);
    color: var(--green);
}

.badge-completed {
    background: rgba(139, 148, 158, 0.15);
    color: var(--text-secondary);
}

/* Session page */
.session-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.session-header h1 {
    font-size: 22px;
    font-weight: 600;
}

.session-status {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

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

/* Messages */
.messages {
    margin-bottom: 20px;
}

.message {
    padding: 14px 18px;
    margin-bottom: 10px;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

.message-name {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
}

.message-name.moderator { color: var(--purple); }
.message-name.agent { color: var(--accent); }
.message-name.system { color: var(--yellow); }
.message-name.user { color: var(--green); }

.message-content {
    font-size: 14px;
    line-height: 1.7;
}

.message.streaming {
    border-color: var(--accent);
    animation: pulse-border 1.5s ease-in-out infinite;
}

@keyframes pulse-border {
    0%, 100% { border-color: var(--border); }
    50% { border-color: var(--accent); }
}

/* Control panel */
.control-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    position: sticky;
    bottom: 0;
}

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

.control-row:last-child { margin-bottom: 0; }

.control-row input,
.control-row select {
    flex: 1;
}

.control-row .btn { white-space: nowrap; }

/* Grid */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Section headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 18px;
    font-weight: 600;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.empty-state p { margin-bottom: 16px; }

/* Checkbox grid */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 8px;
}

.checkbox-grid label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.15s;
}

.checkbox-grid label:hover {
    border-color: var(--accent);
}

.checkbox-grid input[type="checkbox"] {
    width: auto;
    accent-color: var(--accent);
}

/* Image display */
.generated-image {
    max-width: 100%;
    border-radius: var(--radius);
    margin-top: 12px;
}

/* Responsive */
@media (max-width: 640px) {
    main { padding: 16px; }
    nav { padding: 0 12px; gap: 0; }
    nav a { padding: 8px 10px; font-size: 13px; }
    .grid-2 { grid-template-columns: 1fr; }
    .session-header { flex-direction: column; gap: 12px; }
    .control-row { flex-wrap: wrap; }
    .toc-sidebar {
        position: static;
        width: 100%;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid var(--border);
        margin-bottom: 16px;
    }
    .with-toc { margin-left: 0; }
}

/* TOC Sidebar */
.toc-sidebar {
    position: sticky;
    top: 72px;
    width: 200px;
    min-width: 200px;
    max-height: calc(100vh - 88px);
    overflow-y: auto;
    padding: 12px 0;
}

.toc-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    padding: 0 12px;
}

.toc-list, .toc-agents {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list > li {
    margin-bottom: 4px;
}

.toc-round > a {
    display: block;
    padding: 5px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    border-radius: var(--radius);
    transition: background 0.15s;
}

.toc-round > a:hover {
    background: var(--bg-tertiary);
    text-decoration: none;
}

.toc-agents {
    padding-left: 12px;
    margin-top: 2px;
}

.toc-agents li a {
    display: block;
    padding: 3px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: all 0.15s;
}

.toc-agents li a:hover {
    color: var(--text);
    background: var(--bg-tertiary);
    text-decoration: none;
}

.with-toc {
    flex: 1;
    min-width: 0;
}

/* Toggle buttons (Search, Image) */
.control-toggles {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

.toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.toggle-btn:hover {
    border-color: var(--text-secondary);
    color: var(--text);
}

.toggle-btn.active {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(88, 166, 255, 0.1);
}

/* Toggle labels (create form) */
.toggle-label {
    display: inline-flex;
    cursor: pointer;
}

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

.toggle-label input:checked + .toggle-btn {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(88, 166, 255, 0.1);
}

/* Message rating buttons */
.message-rating {
    display: flex;
    gap: 4px;
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px solid var(--border);
}

.rate-btn {
    background: none;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 2px 8px;
    font-size: 14px;
    cursor: pointer;
    opacity: 0.4;
    transition: all 0.15s;
}

.rate-btn:hover {
    opacity: 0.8;
    border-color: var(--border);
}

.rate-btn.selected {
    opacity: 1;
    border-color: var(--border);
    background: var(--bg-tertiary);
}

.rate-btn.rate-agree.selected {
    border-color: var(--green);
    background: rgba(63, 185, 80, 0.1);
}

.rate-btn.rate-neutral.selected {
    border-color: var(--yellow);
    background: rgba(210, 153, 34, 0.1);
}

.rate-btn.rate-disagree.selected {
    border-color: var(--red);
    background: rgba(248, 81, 73, 0.1);
}

/* Login page */
.login-box {
    max-width: 320px;
    margin: 80px auto;
    padding: 32px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
}

.login-box h2 {
    margin-bottom: 4px;
}

.login-error {
    color: var(--red);
    background: rgba(248, 81, 73, 0.1);
    padding: 8px 12px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 14px;
}