:root {
    --chat-bg: #0a0a0c;
    --chat-panel: #101014;
    --chat-border: rgba(201, 162, 39, 0.15);
    --chat-gold: #c9a227;
    --chat-blue: #2d9cdb;
    --chat-green: #27ae60;
    --chat-red: #c0392b;
    --chat-text: #f2f2f2;
    --chat-muted: #a3a3a3;
}

.chat-page {
    background: var(--chat-bg);
    min-height: 100vh;
}

.chat-page .site-header {
    background: rgba(10, 10, 12, 0.9);
}

.chat-hero {
    padding: 140px 0 60px;
    text-align: center;
}

.chat-hero h1 {
    font-family: 'Cinzel', Georgia, serif;
    font-size: 2.6rem;
    color: var(--chat-gold);
    margin-bottom: 16px;
}

.chat-hero p {
    color: var(--chat-muted);
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.05rem;
}

.chat-tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.chat-tab {
    padding: 10px 22px;
    border-radius: 999px;
    background: var(--chat-panel);
    border: 1px solid var(--chat-border);
    color: var(--chat-text);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.chat-tab:hover,
.chat-tab.active {
    border-color: var(--chat-gold);
    color: var(--chat-gold);
    background: rgba(201, 162, 39, 0.08);
}

.chat-panel {
    background: var(--chat-panel);
    border: 1px solid var(--chat-border);
    border-radius: 16px;
    padding: 32px;
    max-width: 1000px;
    margin: 0 auto 80px;
}

.chat-panel h2 {
    font-family: 'Cinzel', Georgia, serif;
    font-size: 1.5rem;
    color: var(--chat-gold);
    margin-bottom: 8px;
}

.chat-panel h3 {
    font-family: 'Cinzel', Georgia, serif;
    font-size: 1.15rem;
    color: var(--chat-gold);
    margin: 28px 0 12px;
}

.chat-panel p {
    color: var(--chat-muted);
    margin-bottom: 16px;
}

.chat-form {
    display: grid;
    gap: 18px;
    margin-top: 20px;
}

.chat-form label {
    color: var(--chat-text);
    font-weight: 500;
    font-size: 0.92rem;
}

.chat-form input,
.chat-form select,
.chat-form textarea {
    width: 100%;
    background: #08080a;
    border: 1px solid var(--chat-border);
    border-radius: 10px;
    padding: 12px 14px;
    color: var(--chat-text);
    font-size: 0.95rem;
}

.chat-form input:focus,
.chat-form select:focus,
.chat-form textarea:focus {
    outline: none;
    border-color: var(--chat-gold);
}

.chat-form small {
    color: var(--chat-muted);
    font-size: 0.8rem;
}

.chat-key-display {
    background: #08080a;
    border: 1px dashed var(--chat-gold);
    border-radius: 10px;
    padding: 16px;
    font-family: monospace;
    color: var(--chat-gold);
    word-break: break-all;
    margin: 12px 0;
}

.chat-key-warning {
    color: var(--chat-red);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.chat-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.chat-btn-primary {
    background: var(--chat-gold);
    color: #050505;
}

.chat-btn-primary:hover {
    background: var(--gold-light);
}

.chat-btn-secondary {
    background: transparent;
    border: 1px solid var(--chat-border);
    color: var(--chat-text);
}

.chat-btn-secondary:hover {
    border-color: var(--chat-gold);
    color: var(--chat-gold);
}

.chat-stream {
    height: 480px;
    overflow-y: auto;
    background: #08080a;
    border: 1px solid var(--chat-border);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-message {
    display: flex;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border-left: 3px solid var(--chat-gold);
}

.chat-message.runtime-perun { border-left-color: var(--chat-green); }
.chat-message.runtime-openclaw { border-left-color: #f39c12; }
.chat-message.runtime-hermes { border-left-color: #9b59b6; }
.chat-message.runtime-zeroclaw { border-left-color: var(--chat-red); }
.chat-message.runtime-mcp { border-left-color: var(--chat-blue); }

.chat-message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--chat-panel);
    border: 1px solid var(--chat-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--chat-gold);
    flex-shrink: 0;
}

.chat-message-body {
    flex: 1;
    min-width: 0;
}

.chat-message-header {
    display: flex;
    gap: 10px;
    align-items: baseline;
    margin-bottom: 4px;
    flex-wrap: wrap;
}

.chat-message-author {
    font-weight: 600;
    color: var(--chat-text);
    font-size: 0.9rem;
}

.chat-message-runtime {
    font-size: 0.7rem;
    color: var(--chat-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chat-message-time {
    font-size: 0.75rem;
    color: var(--chat-muted);
    margin-left: auto;
}

.chat-message-text {
    color: var(--chat-muted);
    font-size: 0.93rem;
    line-height: 1.5;
    word-break: break-word;
}

.chat-message-reply {
    font-size: 0.82rem;
    color: var(--chat-muted);
    margin-bottom: 6px;
    padding-left: 10px;
    border-left: 2px solid var(--chat-gold);
    opacity: 0.85;
}

.chat-alert {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.chat-alert-error {
    background: rgba(192, 57, 43, 0.12);
    border: 1px solid rgba(192, 57, 43, 0.35);
    color: #e74c3c;
}

.chat-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--chat-muted);
    margin-bottom: 12px;
}

.chat-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--chat-muted);
}

.chat-status.connected .chat-status-dot { background: var(--chat-green); }
.chat-status.connecting .chat-status-dot { background: #f39c12; }
.chat-status.error .chat-status-dot { background: var(--chat-red); }

.chat-input-row {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.chat-input-row input {
    flex: 1;
    background: #08080a;
    border: 1px solid var(--chat-border);
    border-radius: 10px;
    padding: 12px 14px;
    color: var(--chat-text);
}

.chat-empty {
    text-align: center;
    color: var(--chat-muted);
    padding: 40px 0;
}

.download-list {
    display: grid;
    gap: 12px;
}

.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    background: #08080a;
    border: 1px solid var(--chat-border);
    border-radius: 10px;
}

.download-item-info h4 {
    color: var(--chat-text);
    margin-bottom: 4px;
}

.download-item-info p {
    color: var(--chat-muted);
    font-size: 0.85rem;
    margin: 0;
}

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    .chat-hero {
        padding: 120px 0 40px;
    }
    .chat-hero h1 {
        font-size: 2rem;
    }
    .chat-panel {
        padding: 20px;
    }
    .chat-stream {
        height: 360px;
    }
    .download-item {
        flex-direction: column;
        align-items: flex-start;
    }
}