/* ══════════════════════════════════════════
   CITY MITRA — Chat Interface V2 (Polished)
   ══════════════════════════════════════════ */

.chat-app {
    display: flex;
    height: 100vh;
    background: var(--surface-warm);
    overflow: hidden;
}

/* ─── Sidebar ─── */
.chat-sidebar {
    width: 260px;
    background: linear-gradient(180deg, #1a0f00 0%, var(--surface-dark) 100%);
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
    overflow: hidden;
}

.sidebar-header {
    padding: 16px 16px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.sidebar-logo {
    width: 28px;
    height: 28px;
    border-radius: 6px;
}

.sidebar-brand {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: white;
}
.sidebar-brand span { color: var(--orange-lt); }

.sidebar-new-chat {
    margin: 0 12px 12px;
    padding: 10px;
    background: var(--orange);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}
.sidebar-new-chat:hover {
    background: var(--orange-deep);
}

/* Chat history */
.sidebar-history {
    flex: 1;
    overflow-y: auto;
    padding: 0 8px;
    min-height: 0;
}
.sidebar-history::-webkit-scrollbar { width: 3px; }
.sidebar-history::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.sidebar-section-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.3);
    padding: 8px 10px 4px;
}

.sidebar-chat-item {
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    cursor: pointer;
    transition: all 0.15s;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 2px;
}
.sidebar-chat-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.85);
}
.sidebar-chat-item.active {
    background: rgba(234, 88, 12, 0.15);
    color: var(--orange-lt);
}

/* Sidebar footer */
.sidebar-footer {
    padding: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
}

.sidebar-city-select {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}
.sidebar-city-select:hover { background: rgba(255, 255, 255, 0.08); }
.sidebar-city-select .city-emoji { font-size: 16px; }
.sidebar-city-select .city-name { flex: 1; font-weight: 500; }
.sidebar-city-select .chevron { font-size: 10px; opacity: 0.5; }

/* Sidebar City Dropdown - properly contained */
.sidebar-city-dropdown-wrap {
    position: relative;
    margin-top: 6px;
    display: none;
}
.sidebar-city-dropdown-wrap.open { display: block; }

.sidebar-city-dropdown-wrap .city-search-input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    font-size: 12px;
    font-family: var(--font-sans);
    outline: none;
    background: rgba(255,255,255,0.06);
    color: white;
    margin-bottom: 4px;
}
.sidebar-city-dropdown-wrap .city-search-input::placeholder { color: rgba(255,255,255,0.3); }

.sidebar-city-dropdown-wrap .city-list {
    max-height: 160px;
    overflow-y: auto;
}
.sidebar-city-dropdown-wrap .city-list::-webkit-scrollbar { width: 3px; }
.sidebar-city-dropdown-wrap .city-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }

.sidebar-city-dropdown-wrap .city-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    color: rgba(255,255,255,0.6);
    transition: background 0.15s;
}
.sidebar-city-dropdown-wrap .city-item:hover { background: rgba(255,255,255,0.06); color: white; }
.sidebar-city-dropdown-wrap .city-item.active { background: rgba(234,88,12,0.15); color: var(--orange-lt); }
.sidebar-city-dropdown-wrap .city-item-emoji { font-size: 14px; }
.sidebar-city-dropdown-wrap .city-item-state { font-size: 10px; color: rgba(255,255,255,0.3); }

.sidebar-plan-info {
    padding: 6px 0;
    font-size: 11px;
    color: rgba(255,255,255,0.25);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    color: var(--orange-lt);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.15s;
    text-decoration: none;
}
.sidebar-link:hover { background: rgba(234, 88, 12, 0.1); }

/* ─── Main Chat Area ─── */
.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--surface-warm);
}

/* Chat header */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    border-bottom: 1px solid var(--ink-20);
    background: white;
    flex-shrink: 0;
    min-height: 48px;
}

.chat-header-title {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ink);
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.chat-header-btn {
    padding: 5px 10px;
    font-size: 12px;
    color: var(--ink-60);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}
.chat-header-btn:hover { background: var(--ink-10); color: var(--ink); }

/* Chat messages area */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 0;
}
.chat-messages::-webkit-scrollbar { width: 5px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--ink-30); border-radius: 4px; }

.chat-messages-inner {
    width: 100%;
    max-width: 740px;
}

/* Welcome state */
.chat-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 16px 20px;
}

.chat-welcome-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    margin-bottom: 20px;
    box-shadow: 0 6px 20px rgba(234, 88, 12, 0.3);
}

.chat-welcome h1 {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 6px;
}

.chat-welcome p {
    font-size: 0.9rem;
    color: var(--ink-60);
    max-width: 460px;
    margin-bottom: 28px;
}

/* Suggestion cards */
.chat-suggestions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: 100%;
    max-width: 620px;
    margin-bottom: 20px;
}

.suggestion-card {
    padding: 14px 16px;
    background: rgba(234, 88, 12, 0.05);
    border: 1px solid rgba(234, 88, 12, 0.1);
    border-radius: var(--radius-sm);
    text-align: left;
    font-size: 13.5px;
    color: var(--ink);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    line-height: 1.4;
}
.suggestion-card:hover {
    background: rgba(234, 88, 12, 0.1);
    border-color: var(--orange);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.1);
}

/* Vibe chips */
.chat-vibes-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-50);
    margin-bottom: 10px;
}

.chat-vibes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.vibe-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    background: white;
    border: 1px solid var(--ink-20);
    border-radius: var(--radius-full);
    font-size: 12.5px;
    font-weight: 500;
    color: var(--ink);
    cursor: pointer;
    transition: all 0.2s;
}
.vibe-chip:hover {
    border-color: var(--orange);
    background: var(--orange-xlt);
    color: var(--orange);
}

/* Chat conversation */
.chat-conversation {
    display: none;
    flex-direction: column;
    gap: 20px;
    padding: 16px 0;
}
.chat-conversation.active { display: flex; }

/* Message bubbles */
.msg-row {
    display: flex;
    gap: 10px;
    animation: fade-in-up 0.3s ease;
}
.msg-row.user { justify-content: flex-end; }

.msg-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 3px;
}

.msg-avatar.bot-avatar {
    background: var(--orange);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
}

.msg-content { max-width: 78%; }

.msg-sender {
    font-size: 11px;
    font-weight: 600;
    color: var(--ink-60);
    margin-bottom: 3px;
}
.msg-sender .powered {
    color: var(--orange);
    font-size: 10px;
}

/* ── Bot Message Styling (Rich Response) ── */
.msg-bubble {
    padding: 14px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.6;
}

.msg-bubble.bot {
    background: white;
    border: 1px solid var(--ink-20);
    color: var(--ink);
    border-radius: 4px 14px 14px 14px;
}
/* When containing a card, remove bubble padding */
.msg-bubble.bot:has(.response-card) {
    padding: 0;
    border: none;
    background: transparent;
}

/* ═══ Response Card (structured info) ═══ */
.response-card {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--ink-20);
    background: white;
}

.response-card-header {
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--city-accent, var(--orange)), color-mix(in srgb, var(--city-accent, var(--orange)) 80%, black));
    color: white;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.response-card-icon { font-size: 16px; }

.response-card-body {
    padding: 16px 18px;
    font-size: 14px;
    color: var(--ink-80);
    line-height: 1.65;
    border-bottom: 1px solid var(--ink-10);
}
.response-card-body strong { color: var(--ink); font-weight: 700; }

.response-para {
    margin-bottom: 12px;
    font-size: 13.8px;
    color: var(--ink-80);
    line-height: 1.65;
}
.response-para:last-child {
    margin-bottom: 0;
}

/* ═══ Feature Bullets (clean, readable list for detailed places) ═══ */
.response-feature-list {
    list-style: none;
    padding: 0;
    margin: 12px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.response-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 12px;
    background: #FAF8F5;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--orange);
    font-size: 13.5px;
    color: var(--ink);
    line-height: 1.5;
}

.response-feature-item .rfi-icon {
    color: var(--orange);
    font-size: 11px;
    margin-top: 3px;
    flex-shrink: 0;
}

.response-feature-item .rfi-text {
    flex: 1;
}

.response-card-fields {
    padding: 8px 16px 12px;
}

.response-field {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--ink-05);
    font-size: 13.5px;
}
.response-field:last-child { border-bottom: none; }

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

.rf-label {
    font-weight: 600;
    color: var(--ink-60);
    min-width: 55px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.rf-value {
    flex: 1;
    color: var(--ink);
    font-weight: 500;
}

.response-link {
    color: var(--orange) !important;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.15s;
}
.response-link:hover { opacity: 0.7; text-decoration: underline; }

.response-card-links {
    padding: 10px 16px 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-top: 1px solid var(--ink-10);
}

.response-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: var(--orange-xlt);
    border: 1px solid rgba(234, 88, 12, 0.15);
    border-radius: var(--radius-full);
    color: var(--orange);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s;
}
.response-link-btn:hover { background: rgba(234, 88, 12, 0.15); }

/* ═══ Response Tags (department lists & clickable landmarks) ═══ */
.response-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px;
    background: #FAF8F5;
    border-top: 1px solid var(--ink-10);
}

.response-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 15px;
    background: white;
    border: 1.5px solid var(--ink-20);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--ink);
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    user-select: none;
    outline: none;
}

.response-tag:hover {
    background: #FFF7ED;
    border-color: var(--orange);
    color: var(--orange);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.2);
}

.response-tag:active {
    transform: scale(0.96);
    background: var(--orange-xlt);
}

.tag-search-icon {
    font-size: 11px;
    opacity: 0.55;
    transition: transform 0.2s, opacity 0.2s;
}

.response-followups {
    background: #FFFBF5;
    border-top: 1px dashed rgba(234, 88, 12, 0.25);
    padding: 12px 16px;
    gap: 8px;
}

.response-followup-pill {
    background: white;
    border: 1px solid rgba(234, 88, 12, 0.25);
    color: var(--orange-deep);
    font-weight: 600;
}

.response-followup-pill:hover {
    background: var(--orange);
    color: white;
    border-color: var(--orange);
}

/* ═══ Response List (helplines, short lists, clickable items) ═══ */
.response-card-list {
    padding: 8px 16px 12px;
}

.response-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--ink-05);
    font-size: 13.5px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}
.response-list-item:last-child { border-bottom: none; }

.response-list-item.clickable {
    cursor: pointer;
}

.response-list-item.clickable:hover {
    background: #FFF7ED;
    border-color: rgba(234, 88, 12, 0.2);
    transform: translateX(4px);
}

.response-list-item.clickable:hover .rli-text {
    color: var(--orange);
    font-weight: 600;
}

.rli-action-hint {
    font-size: 11px;
    font-weight: 700;
    color: var(--orange);
    background: rgba(234, 88, 12, 0.12);
    padding: 3px 8px;
    border-radius: var(--radius-full);
    opacity: 0;
    transform: translateX(-4px);
    transition: all 0.2s;
    flex-shrink: 0;
}

.response-list-item.clickable:hover .rli-action-hint {
    opacity: 1;
    transform: translateX(0);
}

.rli-bullet {
    color: var(--orange);
    font-weight: 700;
    font-size: 16px;
    margin-right: 8px;
    flex-shrink: 0;
}

.rli-text {
    flex: 1;
    color: var(--ink-70);
    font-weight: 500;
}

.rli-number {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 14px;
    background: var(--orange);
    color: white;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: all 0.15s;
    flex-shrink: 0;
    margin-left: 12px;
}
.rli-number:hover {
    background: var(--orange-deep);
    transform: scale(1.02);
}

/* ═══ Generic bot bubble styles ═══ */
.msg-bubble.bot ul {
    list-style: none;
    padding: 0;
    margin: 6px 0;
}

.clickable-bullet {
    cursor: pointer;
    padding: 5px 10px;
    margin: 3px 0;
    border-radius: 6px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
}

.clickable-bullet:hover {
    background: #FFF7ED;
    color: var(--orange);
    transform: translateX(4px);
    font-weight: 600;
}
.msg-bubble.bot ul li {
    padding: 4px 0 4px 20px;
    position: relative;
    font-size: 13.5px;
    color: var(--ink-70);
}
.msg-bubble.bot ul li::before {
    content: '•';
    position: absolute;
    left: 4px;
    color: var(--orange);
    font-weight: 700;
}
.msg-bubble.bot a {
    color: var(--orange);
    text-decoration: none;
    font-weight: 500;
}
.msg-bubble.bot a:hover { text-decoration: underline; }
.msg-bubble.bot hr {
    border: none;
    height: 1px;
    background: var(--ink-10);
    margin: 12px 0;
}
.msg-bubble.bot strong { color: var(--ink); font-weight: 700; }

.msg-bubble.user {
    background: var(--orange);
    color: white;
    border-radius: 14px 4px 14px 14px;
    margin-left: auto;
    font-size: 14px;
}

.msg-time {
    font-size: 10px;
    color: var(--ink-50);
    margin-top: 3px;
}

.msg-actions {
    display: flex;
    gap: 6px;
    margin-top: 6px;
}

.msg-action-btn {
    padding: 3px 8px;
    font-size: 11px;
    color: var(--ink-60);
    border: 1px solid var(--ink-20);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}
.msg-action-btn:hover {
    border-color: var(--orange);
    color: var(--orange);
    background: var(--orange-xlt);
}

/* Typing indicator */
.typing-indicator {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
}
.typing-indicator.active { display: flex; }

.typing-dots {
    display: flex;
    gap: 4px;
    padding: 10px 14px;
    background: white;
    border: 1px solid var(--ink-20);
    border-radius: 4px 12px 12px 12px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--ink-30);
    border-radius: 50%;
    animation: typing-bounce 1.4s infinite ease-in-out;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
    0%, 80%, 100% { transform: translateY(0); background: var(--ink-30); }
    40% { transform: translateY(-5px); background: var(--orange); }
}

/* ─── Chat Input Area ─── */
.chat-input-area {
    padding: 12px 20px 16px;
    display: flex;
    justify-content: center;
    background: var(--surface-warm);
    flex-shrink: 0;
}

.chat-input-wrap {
    width: 100%;
    max-width: 740px;
}

.chat-input-container {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    padding: 10px 14px;
    background: white;
    border: 1.5px solid var(--ink-20);
    border-radius: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.chat-input-container:focus-within {
    border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.08), 0 2px 8px rgba(0,0,0,0.04);
}

.chat-textarea {
    flex: 1;
    border: none;
    outline: none;
    resize: none;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--ink);
    background: transparent;
    max-height: 100px;
    min-height: 22px;
    line-height: 1.5;
}
.chat-textarea::placeholder { color: var(--ink-50); }

.chat-send-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--orange);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(234, 88, 12, 0.3);
}
.chat-send-btn:hover { background: var(--orange-deep); transform: scale(1.05); }
.chat-send-btn:disabled { background: var(--ink-30); cursor: default; box-shadow: none; }
.chat-send-btn svg { width: 16px; height: 16px; }

.chat-lang-toggle {
    padding: 5px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    color: var(--ink-60);
    border: 1px solid var(--ink-20);
    cursor: pointer;
    transition: all 0.15s;
    flex-shrink: 0;
}
.chat-lang-toggle:hover { border-color: var(--orange); color: var(--orange); }

.chat-disclaimer {
    text-align: center;
    font-size: 11px;
    color: var(--ink-50);
    margin-top: 6px;
}

/* ─── Proximity Alert Toast ─── */
.proximity-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: white;
    border: 1px solid var(--orange-lt);
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    max-width: 420px;
    width: 90%;
    z-index: 1000;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.proximity-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.proximity-toast-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--orange-xlt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}
.proximity-toast-content { flex: 1; }
.proximity-toast-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--ink);
}
.proximity-toast-desc {
    font-size: 12px;
    color: var(--ink-60);
    margin-top: 2px;
}
.proximity-toast-close {
    cursor: pointer;
    color: var(--ink-50);
    font-size: 18px;
    padding: 4px;
}

/* ─── City Theme Accent Bar ─── */
.city-theme-bar {
    height: 3px;
    background: var(--city-accent, var(--orange));
    flex-shrink: 0;
}

/* ─── Mobile Responsive ─── */
@media (max-width: 768px) {
    .chat-sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        bottom: 0;
        z-index: 100;
        transition: left 0.3s ease;
    }
    .chat-sidebar.open { left: 0; }

    .chat-sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 99;
    }
    .chat-sidebar-overlay.active { display: block; }

    .chat-suggestions { grid-template-columns: 1fr; }
    .chat-messages { padding: 16px 10px; }
    .chat-input-area { padding: 10px; }
    .msg-content { max-width: 88%; }
}