:root {
    --db-bg: #0a0e1a;
    --db-panel: #10152400;
    --db-card: rgba(255,255,255,0.035);
    --db-line: rgba(255,255,255,0.08);
    --db-blue: #3b82f6;
    --db-blue-deep: #2563eb;
    --db-text: #e8ecf5;
    --db-text-dim: #8992a8;
    --db-green: #4ade80;
    --font-display: 'Chakra Petch', sans-serif;
    --font-body: 'Inter', sans-serif;
}
* { box-sizing: border-box; }
body.dashboard {
    margin: 0;
    background: var(--db-bg);
    color: var(--db-text);
    font-family: var(--font-body);
    min-height: 100vh;
}

.db-shell {
    display: flex;
    min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.db-sidebar {
    width: 220px;
    flex-shrink: 0;
    border-right: 1px solid var(--db-line);
    display: flex;
    flex-direction: column;
    padding: 20px 14px;
    position: sticky;
    top: 0;
    height: 100vh;
}
.db-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px 22px;
}
.db-brand svg { color: var(--db-blue); flex-shrink: 0; }
.db-brand .db-brand-text { font-family: var(--font-display); font-weight: 700; font-size: 16px; letter-spacing: 1px; }
.db-brand .db-brand-text span { color: var(--db-blue); }

.db-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.db-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 10px;
    border-radius: 8px;
    color: var(--db-text-dim);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.15s, color 0.15s;
}
.db-nav-item svg { flex-shrink: 0; }
.db-nav-item:hover { background: rgba(255,255,255,0.04); color: var(--db-text); }
.db-nav-item.active { background: rgba(59,130,246,0.14); color: var(--db-blue); }

.db-user {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 10px 8px;
    border-top: 1px solid var(--db-line);
    margin-top: 10px;
}
.db-user-avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--db-blue), var(--db-blue-deep));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 13px; flex-shrink: 0;
}
.db-user-name { font-size: 13px; font-weight: 600; }
.db-user-sub { font-size: 11px; color: var(--db-text-dim); }
.db-user-menu { margin-left: auto; }
.db-logout {
    display: block;
    font-size: 11.5px;
    color: var(--db-text-dim);
    text-decoration: none;
    padding: 6px 8px 0;
}
.db-version { font-size: 10.5px; color: var(--db-text-dim); opacity: 0.6; padding: 10px 8px 0; }

/* ---------- Main column ---------- */
.db-main {
    flex: 1;
    min-width: 0;
    padding: 22px 26px 40px;
}
.db-topbar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 16px;
    margin-bottom: 26px;
}
.db-status-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--db-line);
    border-radius: 20px;
    padding: 6px 13px;
    font-size: 12.5px;
    color: var(--db-text-dim);
}
.db-status-chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--db-green); }

.db-greeting h1 { font-family: var(--font-display); font-size: 26px; margin: 0 0 4px; }
.db-greeting p { color: var(--db-text-dim); font-size: 14px; margin: 0 0 20px; }

.db-input-card {
    background: var(--db-card);
    border: 1px solid var(--db-line);
    border-radius: 14px;
    padding: 14px 16px 12px;
    margin-bottom: 22px;
}
.db-input-card textarea {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--db-text);
    font-family: var(--font-body);
    font-size: 15px;
    resize: none;
    outline: none;
    min-height: 26px;
    max-height: 140px;
}
.db-input-card textarea::placeholder { color: var(--db-text-dim); }
.db-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}
.db-chip-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--db-line);
    color: var(--db-text-dim);
    border-radius: 20px;
    padding: 6px 12px;
    font-size: 12.5px;
    cursor: pointer;
}
.db-chip-btn.active { color: var(--db-blue); border-color: rgba(59,130,246,0.4); background: rgba(59,130,246,0.1); }
.db-send-btn {
    margin-left: auto;
    width: 34px; height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--db-blue), var(--db-blue-deep));
    border: none;
    color: white;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
}

.db-section-title {
    font-size: 14px;
    font-weight: 700;
    margin: 26px 0 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.db-section-title a { color: var(--db-blue); font-size: 12.5px; font-weight: 500; text-decoration: none; }

.db-quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}
.db-quick-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--db-card);
    border: 1px solid var(--db-line);
    border-radius: 10px;
    padding: 12px 14px;
    color: var(--db-text);
    font-size: 13px;
    cursor: pointer;
    text-align: left;
}
.db-quick-btn svg { color: var(--db-blue); flex-shrink: 0; }

.db-list { display: flex; flex-direction: column; gap: 8px; }
.db-list-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    background: var(--db-card);
    border: 1px solid var(--db-line);
    border-radius: 10px;
    padding: 13px 16px;
    font-size: 13.5px;
}
.db-list-row .db-list-time { color: var(--db-text-dim); font-size: 11.5px; flex-shrink: 0; }
.db-empty-note { color: var(--db-text-dim); font-size: 13px; padding: 10px 2px; }

/* ---------- Right panel ---------- */
.db-right {
    width: 250px;
    flex-shrink: 0;
    padding: 22px 20px;
    border-left: 1px solid var(--db-line);
}
.db-card {
    background: var(--db-card);
    border: 1px solid var(--db-line);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}
.db-card h3 { font-size: 13.5px; margin: 0 0 12px; }
.db-stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 12.5px;
    color: var(--db-text-dim);
    padding: 6px 0;
}
.db-stat-row strong { color: var(--db-text); font-weight: 600; }
.db-stat-row .good { color: var(--db-green); }
.db-quote { font-size: 13px; line-height: 1.6; font-style: italic; color: var(--db-text); margin: 0 0 8px; }
.db-quote-author { font-size: 12px; color: var(--db-blue); }

@media (max-width: 980px) {
    .db-right { display: none; }
}
@media (max-width: 720px) {
    .db-sidebar { display: none; }
    .db-main { padding: 16px; }
}

/* ---------- Auth pages (login/register) ---------- */
.db-auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.db-auth-card { width: 100%; max-width: 360px; background: var(--db-card); border: 1px solid var(--db-line); border-radius: 14px; padding: 30px 26px; }
.db-auth-brand { display: flex; align-items: center; gap: 8px; justify-content: center; margin-bottom: 6px; }
.db-auth-brand svg { color: var(--db-blue); }
.db-auth-title { font-family: var(--font-display); font-weight: 700; font-size: 18px; text-align: center; margin: 4px 0 4px; }
.db-auth-sub { color: var(--db-text-dim); font-size: 13px; text-align: center; margin-bottom: 20px; }
.db-auth-form input { width: 100%; background: rgba(255,255,255,0.03); border: 1px solid var(--db-line); border-radius: 8px; padding: 12px 14px; color: var(--db-text); font-size: 16px; margin-bottom: 12px; }
.db-auth-form input:focus { outline: none; border-color: var(--db-blue); }
.db-auth-form button { width: 100%; background: linear-gradient(135deg, var(--db-blue), var(--db-blue-deep)); border: none; color: white; border-radius: 8px; padding: 13px; font-weight: 600; font-size: 14.5px; cursor: pointer; margin-top: 4px; }
.db-auth-switch { text-align: center; font-size: 13px; color: var(--db-text-dim); margin-top: 14px; }
.db-auth-switch a { color: var(--db-blue); text-decoration: none; }
.db-auth-error { background: rgba(248,113,113,0.1); border: 1px solid rgba(248,113,113,0.3); color: #f87171; font-size: 13px; padding: 10px 12px; border-radius: 6px; margin-bottom: 14px; }