/* ============================================================
   CHAT — premium ko'rinish. Saytning "Charcoal & Sky" rang
   tokenlaridan foydalanadi (light/dark ikkalasida ham to'g'ri
   ishlaydi), lekin burchak radiusi saytning umumiy --radius
   (18px, juda yumaloq) qiymatidan ANIQ KICHIKROQ — qirrali
   emas, lekin sezilarli darajada tortilgan (premium SaaS uslubi).
   ============================================================ */

.chat-app {
    --chat-radius: 10px;
    --chat-radius-sm: 8px;
}

.chat-page-head { margin-bottom: 1.1rem; }
.chat-page-title { margin: 0 0 2px; font-weight: 800; }
.chat-page-sub { margin: 0; color: var(--text-muted); font-size: 0.85rem; }

/* — Guruh bo'limi (inbox) — */
.chat-group-card {
    background: var(--paper-2);
    border: 1px solid var(--border-soft);
    border-radius: var(--chat-radius);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    margin-bottom: 1rem;
}
[data-bs-theme="dark"] .chat-group-card { background: var(--charcoal-2); }

.chat-group-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem 1.1rem;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.10), rgba(79, 70, 229, 0.06));
    border-bottom: 1px solid var(--border-soft);
}
.chat-group-head-main { display: flex; align-items: baseline; gap: 0.55rem; min-width: 0; }
.chat-group-name {
    font-family: "Sora", "Inter", sans-serif;
    font-weight: 700;
    font-size: 0.98rem;
    color: var(--text-strong);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chat-group-meta { font-size: 0.76rem; color: var(--text-muted); flex-shrink: 0; }
.chat-group-unread {
    flex-shrink: 0;
    min-width: 22px; height: 22px; padding: 0 7px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 999px;
    background: var(--blue-dim);
    color: #fff;
    font-size: 0.72rem; font-weight: 700;
}

.chat-list { display: flex; flex-direction: column; }
.chat-list-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.1rem;
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid var(--border-soft);
    transition: background 0.12s ease;
}
.chat-list-item:last-child { border-bottom: none; }
.chat-list-item:hover { background: rgba(14, 165, 233, 0.06); }
[data-bs-theme="dark"] .chat-list-item:hover { background: rgba(14, 165, 233, 0.10); }

.chat-avatar {
    flex-shrink: 0;
    width: 42px; height: 42px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.95rem;
    color: #fff;
    background: linear-gradient(135deg, var(--blue-light), var(--blue-dim));
}
.chat-avatar-1 { background: linear-gradient(135deg, var(--blue-light), var(--blue-dim)); }
.chat-avatar-2 { background: linear-gradient(135deg, var(--violet-light), var(--indigo-dark)); }
.chat-avatar-3 { background: linear-gradient(135deg, var(--emerald-light), var(--emerald-dim)); }
.chat-avatar-4 { background: linear-gradient(135deg, var(--amber-light), var(--amber-dim)); }

.chat-list-body { flex: 1; min-width: 0; }
.chat-list-top { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.chat-list-name {
    font-weight: 600; font-size: 0.92rem; color: var(--text-strong);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chat-list-time { flex-shrink: 0; font-size: 0.72rem; color: var(--text-muted); }
.chat-list-preview {
    font-size: 0.82rem; color: var(--text-muted);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chat-list-empty { font-style: italic; }

.chat-unread-badge {
    flex-shrink: 0;
    min-width: 20px; height: 20px; padding: 0 6px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 999px;
    background: var(--danger);
    color: #fff;
    font-size: 0.7rem; font-weight: 700;
}

/* — Suhbat oynasi (thread) — */
.chat-thread-card {
    background: var(--paper-2);
    border: 1px solid var(--border-soft);
    border-radius: var(--chat-radius);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}
[data-bs-theme="dark"] .chat-thread-card { background: var(--charcoal-2); }

.chat-thread-head {
    display: flex; align-items: center; gap: 0.65rem;
    padding: 0.9rem 1.1rem;
    border-bottom: 1px solid var(--border-soft);
}
.chat-thread-head-name { font-weight: 700; font-size: 0.95rem; color: var(--text-strong); }
.chat-thread-head-role { font-size: 0.76rem; color: var(--text-muted); }

.chat-messages {
    padding: 1rem 1.1rem;
    max-height: 55vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.chat-bubble-row { display: flex; }
.chat-bubble-row.mine { justify-content: flex-end; }
.chat-bubble {
    max-width: 75%;
    padding: 0.5rem 0.75rem;
    font-size: 0.88rem;
    line-height: 1.4;
}
.chat-bubble-text {
    display: block;
    white-space: pre-wrap;
    word-wrap: break-word;
}
.chat-bubble-row:not(.mine) .chat-bubble {
    background: var(--paper);
    border: 1px solid var(--border-soft);
    color: var(--text-body);
    border-radius: var(--chat-radius) var(--chat-radius) var(--chat-radius) 2px;
}
[data-bs-theme="dark"] .chat-bubble-row:not(.mine) .chat-bubble { background: var(--charcoal); }
.chat-bubble-row.mine .chat-bubble {
    background: linear-gradient(135deg, var(--blue-light), var(--blue-dim));
    color: #062033;
    border-radius: var(--chat-radius) var(--chat-radius) 2px var(--chat-radius);
}
.chat-bubble-time {
    display: block;
    margin-top: 3px;
    font-size: 0.68rem;
    text-align: right;
    opacity: 0.65;
}

.chat-empty { text-align: center; color: var(--text-muted); font-size: 0.85rem; padding: 1.5rem 0; }

.chat-input-row {
    display: flex;
    gap: 0.5rem;
    padding: 0.85rem 1.1rem;
    border-top: 1px solid var(--border-soft);
}
.chat-input {
    flex: 1;
    resize: none;
    border: 1px solid var(--border-soft);
    border-radius: var(--chat-radius-sm);
    padding: 0.55rem 0.8rem;
    font-size: 0.88rem;
    background: var(--paper);
    color: var(--text-body);
}
[data-bs-theme="dark"] .chat-input { background: var(--ink); }
.chat-input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.18); }

.chat-send-btn {
    flex-shrink: 0;
    border: none;
    border-radius: var(--chat-radius-sm);
    padding: 0 1.1rem;
    font-weight: 700;
    font-size: 0.85rem;
    color: #fff;
    background: linear-gradient(135deg, var(--blue-light), var(--blue-dim));
    cursor: pointer;
    transition: filter 0.12s ease;
}
.chat-send-btn:hover { filter: brightness(1.06); }
.chat-send-btn:disabled { opacity: 0.6; cursor: not-allowed; }