/* ===== Assnani Dental Chatbot — Styles ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg-primary:#0a0e1a;--bg-secondary:#111827;--bg-card:rgba(17,24,39,.7);
  --accent:#00d4aa;--accent-dim:rgba(0,212,170,.15);--accent-glow:rgba(0,212,170,.3);
  --blue:#0ea5e9;--blue-dim:rgba(14,165,233,.15);
  --red:#ef4444;--orange:#f59e0b;--green:#22c55e;
  --text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;
  --border:rgba(148,163,184,.12);--radius:16px;--radius-sm:10px;
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --shadow:0 8px 32px rgba(0,0,0,.3);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
}
html,body{height:100%;font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);overflow:hidden}

/* Background Glows */
.bg-glow{position:fixed;border-radius:50%;filter:blur(120px);opacity:.08;pointer-events:none;z-index:0}
.bg-glow-1{width:600px;height:600px;background:var(--accent);top:-200px;left:-100px}
.bg-glow-2{width:500px;height:500px;background:var(--blue);bottom:-150px;right:-100px}
.bg-glow-3{width:300px;height:300px;background:#8b5cf6;top:40%;left:50%;transform:translateX(-50%)}

/* App Container */
.app-container{display:flex;flex-direction:column;height:100vh;position:relative;z-index:1}

/* Header */
.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:rgba(17,24,39,.8);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);flex-shrink:0;z-index:10}
.header-left{display:flex;align-items:center;gap:12px}
.logo-icon{font-size:28px;filter:drop-shadow(0 0 8px var(--accent-glow))}
.header-text h1{font-size:18px;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.header-subtitle{font-size:11px;color:var(--text-muted);letter-spacing:.5px;text-transform:uppercase}
.header-right{display:flex;align-items:center;gap:8px}
.status-indicator{display:flex;align-items:center;gap:6px;padding:4px 10px;border-radius:20px;background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2)}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse-dot 2s infinite}
.status-text{font-size:11px;color:var(--green);font-weight:500}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.4}}
.btn-icon{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.btn-icon:hover{background:var(--accent-dim);color:var(--accent);border-color:var(--accent)}

/* Main Content */
.main-content{display:flex;flex:1;overflow:hidden}

/* Chat Area */
.chat-area{flex:1;display:flex;flex-direction:column;min-width:0}
.messages-container{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}
.messages-container::-webkit-scrollbar{width:4px}
.messages-container::-webkit-scrollbar-track{background:transparent}
.messages-container::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}

/* Message Bubbles */
.message{display:flex;gap:10px;max-width:85%;animation:msgIn .4s cubic-bezier(.4,0,.2,1)}
.message-bot{align-self:flex-start}
.message-user{align-self:flex-end;flex-direction:row-reverse}
@keyframes msgIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.message-avatar{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.message-bot .message-avatar{background:var(--accent-dim);border:1px solid rgba(0,212,170,.2)}
.message-user .message-avatar{background:var(--blue-dim);border:1px solid rgba(14,165,233,.2)}
.message-bubble{padding:12px 16px;border-radius:var(--radius);font-size:14px;line-height:1.6;letter-spacing:.01em}
.message-bot .message-bubble{background:var(--bg-card);backdrop-filter:blur(10px);border:1px solid var(--border);color:var(--text-primary)}
.message-user .message-bubble{background:linear-gradient(135deg,rgba(0,212,170,.2),rgba(14,165,233,.15));border:1px solid rgba(0,212,170,.25);color:var(--text-primary)}
.message-bubble strong{color:var(--accent);font-weight:600}
.message-bubble .severity-badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600;margin:0 2px}
.severity-high{background:rgba(239,68,68,.15);color:#ef4444;border:1px solid rgba(239,68,68,.3)}
.severity-moderate{background:rgba(245,158,11,.15);color:#f59e0b;border:1px solid rgba(245,158,11,.3)}
.severity-low{background:rgba(34,197,94,.15);color:#22c55e;border:1px solid rgba(34,197,94,.3)}

/* Typing Indicator */
.typing-indicator{display:flex;align-items:center;gap:10px;padding:0 24px;animation:msgIn .3s ease}
.typing-avatar{width:32px;height:32px;border-radius:10px;background:var(--accent-dim);border:1px solid rgba(0,212,170,.2);display:flex;align-items:center;justify-content:center;font-size:16px}
.typing-dots{display:flex;gap:4px;padding:10px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);backdrop-filter:blur(10px)}
.typing-dots span{width:7px;height:7px;border-radius:50%;background:var(--text-muted);animation:bounce 1.4s infinite}
.typing-dots span:nth-child(2){animation-delay:.2s}
.typing-dots span:nth-child(3){animation-delay:.4s}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}

/* Quick Replies */
.quick-replies-area{padding:8px 24px 16px;display:flex;flex-wrap:wrap;gap:8px;animation:msgIn .3s ease}
.quick-reply-btn{padding:8px 16px;border-radius:20px;border:1px solid var(--border);background:var(--bg-card);backdrop-filter:blur(10px);color:var(--text-primary);font-size:13px;font-family:var(--font);cursor:pointer;transition:var(--transition);white-space:nowrap}
.quick-reply-btn:hover{background:var(--accent-dim);border-color:var(--accent);color:var(--accent);transform:translateY(-1px);box-shadow:0 4px 16px var(--accent-glow)}
.quick-reply-btn.selected{background:var(--accent);color:var(--bg-primary);border-color:var(--accent);font-weight:600}

/* Tooth Chart in Quick Replies */
.tooth-chart-container{width:100%;display:flex;flex-direction:column;align-items:center;gap:8px;padding:8px 0}
.tooth-chart-container p{font-size:12px;color:var(--text-muted)}

/* Upload Area */
.upload-area{padding:8px 24px 16px;animation:msgIn .3s ease}
.upload-dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:var(--transition);background:var(--bg-card);backdrop-filter:blur(10px)}
.upload-dropzone:hover,.upload-dropzone.drag-over{border-color:var(--accent);background:var(--accent-dim)}
.upload-dropzone svg{color:var(--text-muted);transition:var(--transition)}
.upload-dropzone:hover svg{color:var(--accent)}
.upload-text{font-size:14px;color:var(--text-primary);font-weight:500}
.upload-subtext{font-size:12px;color:var(--text-muted)}
.upload-preview{display:flex;flex-direction:column;align-items:center;gap:12px}

/* Multi-Image Preview Grid */
.preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;width:100%;max-height:260px;overflow-y:auto;padding:4px}
.preview-grid::-webkit-scrollbar{width:3px}
.preview-grid::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.preview-item{position:relative;border-radius:var(--radius-sm);border:1px solid var(--border);overflow:hidden;aspect-ratio:1;background:var(--bg-card);display:flex;flex-direction:column;align-items:center;justify-content:center;transition:var(--transition)}
.preview-item:hover{border-color:var(--accent)}
.preview-item img{width:100%;height:100%;object-fit:cover}
.preview-item .pdf-icon{font-size:36px;margin-bottom:2px;opacity:.7}
.preview-name{position:absolute;bottom:0;left:0;right:0;padding:3px 6px;background:rgba(0,0,0,.75);font-size:10px;color:var(--text-secondary);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.preview-remove{position:absolute;top:4px;right:4px;width:22px;height:22px;border-radius:50%;border:none;background:rgba(239,68,68,.85);color:#fff;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition);line-height:1}
.preview-item:hover .preview-remove{opacity:1}
.preview-remove:hover{background:var(--red);transform:scale(1.1)}

/* Upload Actions */
.upload-actions{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:12px}
.btn-upload-add{padding:8px 16px;border-radius:var(--radius-sm);border:1px dashed var(--border);background:transparent;color:var(--text-secondary);font-size:13px;font-family:var(--font);cursor:pointer;display:flex;align-items:center;gap:6px;transition:var(--transition)}
.btn-upload-add:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}
.btn-upload-submit{padding:10px 24px;border-radius:var(--radius-sm);border:none;background:linear-gradient(135deg,var(--accent),#00b894);color:var(--bg-primary);font-size:14px;font-weight:600;font-family:var(--font);cursor:pointer;display:flex;align-items:center;gap:8px;transition:var(--transition)}
.btn-upload-submit:hover{transform:translateY(-1px);box-shadow:0 4px 20px var(--accent-glow)}
.btn-upload-cancel{padding:6px 16px;border:none;background:transparent;color:var(--text-muted);font-size:12px;cursor:pointer;font-family:var(--font)}
.btn-upload-cancel:hover{color:var(--text-primary)}

/* Loader */
.loader-ring{display:inline-flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:13px}
.loader-ring::before{content:'';width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Report Loading Placeholder */
.report-loading{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px;text-align:center;color:var(--text-secondary)}
.report-loading::before{content:'';width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}
.report-loading-text{font-size:13px;line-height:1.5}

/* Input Area */
.input-area{padding:12px 24px 20px;flex-shrink:0}
.input-wrapper{display:flex;gap:8px;padding:6px;border-radius:14px;background:var(--bg-card);border:1px solid var(--border);backdrop-filter:blur(10px);transition:var(--transition)}
.input-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
#user-input{flex:1;padding:8px 12px;border:none;background:transparent;color:var(--text-primary);font-size:14px;font-family:var(--font);outline:none}
#user-input::placeholder{color:var(--text-muted)}
.btn-send{width:38px;height:38px;border-radius:10px;border:none;background:linear-gradient(135deg,var(--accent),#00b894);color:var(--bg-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.btn-send:hover{transform:scale(1.05);box-shadow:0 4px 16px var(--accent-glow)}
.btn-send:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* Side Panel */
.side-panel{width:380px;background:rgba(17,24,39,.9);backdrop-filter:blur(20px);border-left:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;animation:slidePanel .3s ease}
@keyframes slidePanel{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.panel-header h2{font-size:15px;font-weight:600}
.btn-close-panel{width:30px;height:30px}
.panel-content{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:16px}
.panel-content::-webkit-scrollbar{width:4px}
.panel-content::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
.panel-xray{display:flex;flex-direction:column;gap:10px}
.panel-xray img{width:100%;border-radius:var(--radius-sm);border:1px solid var(--border)}
.panel-xray-label{font-size:11px;color:var(--text-muted);text-align:center;margin-top:-6px}
.detection-card{padding:12px;border-radius:var(--radius-sm);background:rgba(255,255,255,.03);border:1px solid var(--border);display:flex;flex-direction:column;gap:6px;transition:var(--transition)}
.detection-card:hover{border-color:var(--accent);background:var(--accent-dim)}
.detection-card-header{display:flex;align-items:center;justify-content:space-between}
.detection-card-class{font-size:13px;font-weight:600;text-transform:capitalize}
.detection-card-conf{font-size:11px;padding:2px 8px;border-radius:8px;background:var(--accent-dim);color:var(--accent);font-weight:600}
.detection-card-detail{font-size:12px;color:var(--text-secondary);line-height:1.5}

/* Report Modal */
.report-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.report-modal{width:90%;max-width:640px;max-height:85vh;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;animation:scaleIn .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow)}
@keyframes scaleIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
.report-header{padding:24px;text-align:center;border-bottom:1px solid var(--border);background:linear-gradient(135deg,rgba(0,212,170,.08),rgba(14,165,233,.08))}
.report-header-icon{font-size:36px;margin-bottom:8px}
.report-header h2{font-size:20px;font-weight:700;margin-bottom:4px}
.report-subtitle{font-size:12px;color:var(--text-muted)}
.report-body{flex:1;overflow-y:auto;padding:20px 24px;display:flex;flex-direction:column;gap:16px}
.report-body::-webkit-scrollbar{width:4px}
.report-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
.report-section{display:flex;flex-direction:column;gap:8px}
.report-section-title{font-size:13px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.5px}
.report-item{padding:12px;border-radius:var(--radius-sm);background:rgba(255,255,255,.03);border:1px solid var(--border);font-size:13px;line-height:1.6;color:var(--text-secondary)}
.report-item strong{color:var(--text-primary)}
.report-footer{padding:16px 24px;border-top:1px solid var(--border)}
.report-disclaimer{font-size:11px;color:var(--text-muted);text-align:center;margin-bottom:12px;line-height:1.5}
.report-actions{display:flex;gap:8px;justify-content:center}
.btn-report{padding:10px 24px;border-radius:var(--radius-sm);border:1px solid var(--border);font-size:13px;font-weight:600;font-family:var(--font);cursor:pointer;transition:var(--transition)}
.btn-report-close{background:transparent;color:var(--text-secondary)}
.btn-report-close:hover{background:rgba(255,255,255,.05);color:var(--text-primary)}
.btn-report-print{background:var(--blue-dim);color:var(--blue);border-color:rgba(14,165,233,.3)}
.btn-report-print:hover{background:rgba(14,165,233,.25);transform:translateY(-1px)}
.btn-report-new{background:linear-gradient(135deg,var(--accent),#00b894);color:var(--bg-primary);border:none}
.btn-report-new:hover{transform:translateY(-1px);box-shadow:0 4px 16px var(--accent-glow)}

/* Responsive */
@media(max-width:768px){
  .side-panel{position:fixed;inset:0;width:100%;z-index:50}
  .messages-container{padding:16px}
  .quick-replies-area{padding:8px 16px 12px}
  .upload-area{padding:8px 16px 12px}
  .input-area{padding:8px 16px 12px}
  .report-modal{width:95%;max-height:90vh}
  .preview-grid{grid-template-columns:repeat(auto-fill,minmax(80px,1fr))}
}

/* Print Styles */
@media print{
  body{background:#fff!important;color:#000!important;overflow:visible!important}
  .bg-glow,.app-container,.report-overlay{display:none!important}
  #print-report-container{display:block!important;padding:20px;font-family:var(--font)}
  #print-report-container *{color:#000!important;border-color:#ccc!important;background:transparent!important}
  #print-report-container .severity-badge{padding:2px 8px;border-radius:4px;font-weight:700}
  #print-report-container .severity-high{color:#dc2626!important;border:1px solid #dc2626!important}
  #print-report-container .severity-moderate{color:#d97706!important;border:1px solid #d97706!important}
  #print-report-container .severity-low{color:#16a34a!important;border:1px solid #16a34a!important}
  #print-report-container .report-section{margin-bottom:16px;page-break-inside:avoid}
  #print-report-container .report-section-title{font-size:14px;font-weight:700;border-bottom:2px solid #000;padding-bottom:4px;margin-bottom:8px}
  #print-report-container .report-item{padding:8px;border:1px solid #ddd;border-radius:4px;margin-bottom:6px;font-size:12px}
}