:root {
    --bg-page: #ffffff;
    --bg-page-subtle: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    
    --border-color: #e2e8f0;
    --border-subtle: #f1f5f9;
    --border-focus: #2563eb;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-sub: #334155;
    
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    
    --success: #16a34a;
    --success-light: #f0fdf4;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --warning: #d97706;
    --warning-light: #fffbeb;
    
    --radius-sharp: 4px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    --top-bar-height: 60px;
    --dock-height: 86px;
}

                                                         
body.dark-mode {
    --bg-page: #0b0f19;
    --bg-page-subtle: #111827;
    --bg-card: #111827;
    --bg-card-hover: #172033;
    
    --border-color: #1f2937;
    --border-subtle: #1e293b;
    --border-focus: #3b82f6;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-sub: #cbd5e1;
    
    --primary-light: rgba(37, 99, 235, 0.15);
    --success-light: rgba(22, 163, 74, 0.15);
    --danger-light: rgba(220, 38, 38, 0.15);
    --warning-light: rgba(217, 119, 6, 0.15);
}

                
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    width: 100%;
    height: 100%;
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
    overflow: hidden;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.chat-app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    width: 100%;
    background-color: var(--bg-page);
}

                                                                             
                                                
                                                                                
.chat-top-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    height: var(--top-bar-height);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.bar-left {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.nav-back-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    background-color: var(--primary-light);
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sharp);
    border: 1px solid var(--border-color);
    transition: all 0.15s ease;
}

.nav-back-pill:hover {
    background-color: var(--border-color);
    color: var(--primary);
}

.brand-divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
}

.chat-identity {
    display: flex;
    align-items: center;
    gap: 8px;
}

.exam-tag {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.01em;
}

.exam-tag i {
    color: var(--primary);
}

                        
.sharp-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 8px;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: var(--radius-sharp);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.badge-blue {
    background-color: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(37, 99, 235, 0.25);
}

.badge-green {
    background-color: var(--success-light);
    color: var(--success);
    border: 1px solid rgba(22, 163, 74, 0.25);
}

.badge-green-sm {
    background-color: var(--success-light);
    color: var(--success);
    font-size: 0.68rem;
    padding: 2px 6px;
    border: 1px solid rgba(22, 163, 74, 0.2);
}

.status-live-dot {
    width: 6px;
    height: 6px;
    background-color: var(--success);
    border-radius: 50%;
    animation: livePulse 2s infinite ease-in-out;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.2); }
}

.badge-primary {
    background-color: var(--primary);
    color: #ffffff;
}

.badge-dark {
    background-color: var(--bg-page-subtle);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.bar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.hud-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sharp);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.15s ease;
}

.hud-pill:hover {
    background-color: var(--bg-page-subtle);
    border-color: var(--text-muted);
}

.hud-icon-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sharp);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.15s ease;
}

.hud-icon-btn:hover {
    background-color: var(--bg-page-subtle);
    color: var(--primary);
}

                                                                             
                                      
                                                                                
.chat-main-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    background-color: var(--bg-page);
    padding: 24px 20px 100px 20px;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.chat-main-scroll::-webkit-scrollbar {
    width: 6px;
}
.chat-main-scroll::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: var(--radius-sharp);
}

.chat-content-limiter {
    max-width: 880px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

                                                                             
                                       
                                                                                
.welcome-hero-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    padding: 26px 28px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 8px;
    animation: fadeIn 0.25s ease-out;
}

.welcome-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.welcome-badge-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.welcome-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.welcome-subtitle {
    font-size: 0.93rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: 18px;
}

                          
.categories-sharp-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.category-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background-color: var(--bg-page-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-sub);
    cursor: pointer;
    transition: all 0.15s ease;
}

.category-chip:hover {
    background-color: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.text-blue { color: #2563eb; }
.text-emerald { color: #16a34a; }
.text-indigo { color: #4f46e5; }
.text-amber { color: #d97706; }
.text-rose { color: #e11d48; }
.text-purple { color: #9333ea; }
.text-yellow { color: #ca8a04; }

                           
.guardrail-warning-box {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background-color: var(--warning-light);
    border: 1px solid rgba(217, 119, 6, 0.3);
    border-radius: var(--radius-sharp);
    padding: 12px 16px;
    color: #9a3412;
    font-size: 0.84rem;
    line-height: 1.5;
    margin-bottom: 22px;
}

body.dark-mode .guardrail-warning-box {
    color: #fde047;
    border-color: rgba(250, 204, 21, 0.3);
}

.guardrail-warning-box i {
    font-size: 1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

                                   
.prompt-cards-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.section-label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.prompt-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.sharp-prompt-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    padding: 14px 16px;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sharp-prompt-card:hover {
    border-color: var(--primary);
    background-color: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.card-head {
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-icon {
    font-size: 0.9rem;
}

.card-category {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.03em;
}

.card-heading {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.35;
}

.card-summary {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.45;
}

                                                                             
                                            
                                                                                
.chat-messages-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

                       
.msg-card-user {
    background-color: var(--bg-page-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    padding: 14px 18px;
    animation: fadeIn 0.2s ease-out;
}

                           
.msg-card-ai {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-sharp);
    padding: 18px 22px;
    box-shadow: var(--shadow-sm);
    animation: fadeIn 0.2s ease-out;
}

                                
.msg-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}

.msg-author-block {
    display: flex;
    align-items: center;
    gap: 8px;
}

.msg-author-badge {
    font-size: 0.78rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.user-badge {
    color: var(--text-sub);
}

.ai-badge {
    color: var(--primary);
}

.msg-time {
    font-size: 0.74rem;
    color: var(--text-muted);
}

.msg-body {
    font-size: 0.94rem;
    line-height: 1.65;
    color: var(--text-main);
    word-break: break-word;
}

                                    
.msg-body h1, .msg-body h2, .msg-body h3, .msg-body h4 {
    margin: 14px 0 8px;
    font-weight: 700;
    color: var(--text-main);
}
.msg-body h1 { font-size: 1.25rem; }
.msg-body h2 { font-size: 1.1rem; }
.msg-body h3 { font-size: 1rem; }

.msg-body p {
    margin-bottom: 10px;
}
.msg-body p:last-child {
    margin-bottom: 0;
}

.msg-body ul, .msg-body ol {
    margin: 8px 0 12px 22px;
}
.msg-body li {
    margin-bottom: 4px;
}

.msg-body strong {
    font-weight: 700;
    color: var(--text-main);
}

.msg-body code {
    background-color: var(--bg-page-subtle);
    border: 1px solid var(--border-color);
    padding: 2px 6px;
    border-radius: var(--radius-sharp);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.88em;
    color: var(--primary);
}

.msg-body pre {
    background-color: #0f172a;
    color: #f8fafc;
    padding: 14px;
    border-radius: var(--radius-sharp);
    overflow-x: auto;
    margin: 10px 0;
    font-size: 0.88rem;
}
.msg-body pre code {
    background: none;
    border: none;
    color: inherit;
    padding: 0;
}

.msg-body blockquote {
    border-left: 3px solid var(--primary);
    background-color: var(--primary-light);
    padding: 8px 14px;
    margin: 10px 0;
    font-style: italic;
    color: var(--text-sub);
    border-radius: 0 var(--radius-sharp) var(--radius-sharp) 0;
}

.msg-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 0.88rem;
}
.msg-body th, .msg-body td {
    border: 1px solid var(--border-color);
    padding: 9px 12px;
    text-align: left;
}
.msg-body th {
    background-color: var(--bg-page-subtle);
    font-weight: 700;
}

.msg-body hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 14px 0;
}

                                            
.msg-actions-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    padding-top: 10px;
    border-top: 1px solid var(--border-subtle);
}

.sharp-action-btn {
    background-color: var(--bg-page-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    color: var(--text-sub);
    padding: 5px 12px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s ease;
}

.sharp-action-btn:hover {
    background-color: var(--border-color);
    color: var(--primary);
}

                                                                             
                                         
                                                                                
.sharp-thinking-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-sharp);
    padding: 14px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    animation: fadeIn 0.2s ease;
}

.thinking-header {
    display: flex;
    align-items: center;
    gap: 10px;
}

.thinking-label {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.thinking-dots {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
}

.thinking-dots .dot {
    width: 6px;
    height: 6px;
    background-color: var(--primary);
    border-radius: 50%;
    animation: bounceDot 1.4s infinite ease-in-out;
}
.thinking-dots .dot:nth-child(1) { animation-delay: 0s; }
.thinking-dots .dot:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots .dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounceDot {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.3; }
    30% { transform: translateY(-4px); opacity: 1; }
}

                                                                             
                                         
                                                                                
.chat-bottom-dock {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 90;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 10px 20px calc(10px + env(safe-area-inset-bottom));
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.04);
}

.dock-content-limiter {
    max-width: 880px;
    margin: 0 auto;
    width: 100%;
}

.voice-listening-alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--danger-light);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: var(--radius-sharp);
    color: var(--danger);
    padding: 7px 14px;
    margin-bottom: 8px;
    font-size: 0.84rem;
    font-weight: 600;
}

.wave-bars {
    display: flex;
    align-items: center;
    gap: 3px;
}
.wave-bars span {
    width: 3px;
    height: 12px;
    background-color: var(--danger);
    animation: waveBounce 1s infinite ease-in-out;
}
.wave-bars span:nth-child(2) { animation-delay: 0.2s; height: 16px; }
.wave-bars span:nth-child(3) { animation-delay: 0.4s; height: 9px; }
.wave-bars span:nth-child(4) { animation-delay: 0.1s; height: 14px; }
.wave-bars span:nth-child(5) { animation-delay: 0.3s; height: 11px; }

@keyframes waveBounce {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1.3); }
}

.btn-stop-voice {
    background-color: var(--danger);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sharp);
    padding: 3px 8px;
    cursor: pointer;
    font-size: 0.75rem;
}

.sharp-input-form {
    width: 100%;
}

.sharp-input-box {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    background-color: var(--bg-card);
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-sharp);
    padding: 5px 6px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

body.dark-mode .sharp-input-box {
    border-color: #374151;
}

.sharp-input-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.sharp-textarea {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    outline: none;
    resize: none;
    overflow-y: auto;
    max-height: 160px;
    min-height: 26px;
    padding: 4px 2px;
    font-family: inherit;
    font-size: 0.94rem;
    color: var(--text-main);
    line-height: 1.5;
}

.sharp-textarea::placeholder {
    color: var(--text-muted);
    font-size: 0.88rem;
}

.sharp-input-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sharp-mic-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sharp);
    border: 1px solid var(--border-color);
    background-color: var(--bg-page-subtle);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.15s ease;
}

.sharp-mic-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.sharp-mic-btn.recording {
    background-color: var(--danger);
    color: #ffffff;
    border-color: var(--danger);
}

.sharp-send-btn {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    padding: 0;
    border-radius: var(--radius-sharp);
    border: none;
    background-color: var(--primary);
    color: #ffffff;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
}

.sharp-send-btn:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.sharp-send-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    background-color: var(--text-muted);
}

.dock-disclaimer {
    text-align: center;
    font-size: 0.74rem;
    color: var(--text-muted);
    margin-top: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

                                                                             
                                    
                                                                                
.sharp-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 16px;
    animation: fadeIn 0.15s ease-out;
}

.sharp-modal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sharp);
    width: 100%;
    max-width: 520px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-badge {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-sharp);
    background-color: var(--primary-light);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
}

.modal-top h2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
}
.modal-close:hover {
    color: var(--text-main);
}

.modal-content {
    padding: 20px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-lead {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.rules-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.rule-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.rule-bullet {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-sharp);
    background-color: var(--success-light);
    color: var(--success);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.rule-text {
    font-size: 0.85rem;
    color: var(--text-main);
    line-height: 1.45;
}

.guardrail-modal-notice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background-color: var(--warning-light);
    border: 1px solid rgba(217, 119, 6, 0.3);
    border-radius: var(--radius-sharp);
    color: #9a3412;
    padding: 12px;
    font-size: 0.82rem;
    line-height: 1.45;
}
body.dark-mode .guardrail-modal-notice {
    color: #fde047;
}

.modal-bottom {
    padding: 12px 20px 16px;
    border-top: 1px solid var(--border-color);
    text-align: right;
}

.btn-modal-confirm {
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sharp);
    padding: 8px 18px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.15s ease;
}
.btn-modal-confirm:hover {
    background-color: var(--primary-hover);
}

               
.hidden {
    display: none !important;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

                                                                             
                           
                                                                                
@media (max-width: 768px) {
    .chat-top-bar {
        padding: 0 12px;
        gap: 10px;
    }
    .nav-back-pill span {
        display: none;
    }
    .nav-back-pill {
        padding: 7px 10px;
    }
    .exam-tag {
        font-size: 0.88rem;
    }
    .sharp-badge {
        font-size: 0.65rem;
        padding: 2px 5px;
    }
    .hud-pill span {
        display: none;
    }
    .hud-pill {
        padding: 7px 10px;
    }
    .chat-main-scroll {
        padding: 14px 12px 100px 12px;
    }
    .welcome-hero-card {
        padding: 18px 16px;
    }
    .welcome-title {
        font-size: 1.2rem;
    }
    .prompt-cards-grid {
        grid-template-columns: 1fr;
    }
    .chat-bottom-dock {
        padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
    }
    .msg-card-ai, .msg-card-user {
        padding: 14px 16px;
    }
}

/* Free limit hisobchishi */
.sharp-free-counter {
    display: inline-flex;
    align-items: center;
    padding: 5px 11px;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.14);
    color: #818cf8;
    font-size: 0.74rem;
    font-weight: 700;
    white-space: nowrap;
}

.sharp-free-counter.is-exhausted {
    background: rgba(239, 68, 68, 0.16);
    color: #f87171;
}

@media (max-width: 520px) {
    .sharp-free-counter {
        font-size: 0.68rem;
        padding: 4px 9px;
    }
    /* Telefonda input yanada ixcham va kvadratroq bo'ladi */
    .sharp-input-box {
        padding: 4px 5px;
        gap: 5px;
    }
    .sharp-send-btn,
    .sharp-mic-btn {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
        font-size: 0.85rem;
    }
    .sharp-textarea {
        font-size: 16px; /* iOS klaviatura avtomatik zoom qilmasligi uchun */
        max-height: 132px;
    }
}

/* ═══════════════════════════════════════════════════════════
   KLAVIATURA bilan hisobga olish (telefon)
   100dvh klavatura balandligini hisobga OLMAYDI — shuning
   uchun pastdagi input klaviatura ostida qolib ketadi.
   visualViewport orqali --kb o'lchanadi va konteyner
   qisqartiriladi → input klaviatura ustiga ko'tariladi.
   ═══════════════════════════════════════════════════════════ */
.chat-app-container{
  --kb: 0px;
  height: calc(100vh - var(--kb));
  height: calc(100dvh - var(--kb));
}
body.dict-kb-open .chat-app-container{
  transition: height .18s ease-out;
}
/* klaviatura ochiqligi — xabarlar maydoni qisqaradi */
body.dict-kb-open .chat-main-scroll{
  padding-bottom:6px !important;
}
/* xavfsiz zona (iOS) */
@supports (padding: max(0px)){
  .chat-app-container{
    height: calc(100dvh - var(--kb) - env(safe-area-inset-bottom, 0px));
  }
}