:root{--bg: #0b0f1a;--bg-card: #111827;--bg-card2: #161f30;--border: #1e2d45;--border-hi: #2a3f5f;--teal: #0ea5e9;--teal-dim: #0369a1;--teal-glow: rgba(14, 165, 233, .15);--red: #ef4444;--red-dim: #991b1b;--red-glow: rgba(239, 68, 68, .15);--green: #22c55e;--green-dim: #166534;--green-glow: rgba(34, 197, 94, .15);--text-1: #f1f5f9;--text-2: #94a3b8;--text-3: #64748b;--radius: 12px;--radius-lg: 18px;font-family:Inter,system-ui,sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text-1);min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.main{flex:1;display:grid;grid-template-columns:1fr;gap:24px;max-width:860px;width:100%;margin:0 auto;padding:32px 20px 40px}.main-upload-only .upload-card{grid-column:1 / -1;justify-self:center;width:100%;max-width:640px}@media (min-width: 760px){.main{grid-template-columns:1fr 1fr;align-items:start}}.header{background:#0b0f1af2;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:100}.header-inner{max-width:860px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:12px}.logo-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--teal-dim),#06b6d4);border-radius:10px;display:grid;place-items:center;color:#fff}.logo-name{font-size:17px;font-weight:700;letter-spacing:-.3px}.logo-sub{font-size:11px;color:var(--text-3);margin-top:1px}.header-badge{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--text-3);background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:5px 12px}.badge-dot{width:7px;height:7px;background:var(--green);border-radius:50%;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.card,.upload-card,.result-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}.drop-zone{border:2px dashed var(--border-hi);border-radius:var(--radius);min-height:320px;padding:56px 32px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;color:var(--text-3)}.drop-zone:hover,.drop-zone.dragging{border-color:var(--teal);background:var(--teal-glow);color:var(--teal)}.drop-icon{margin-bottom:16px;color:inherit}.drop-title{font-size:16px;font-weight:600;color:var(--text-1);margin-bottom:6px}.drop-sub{font-size:13px;color:var(--text-3);margin-bottom:14px}.drop-hint{display:flex;gap:10px;justify-content:center;font-size:11px;color:var(--text-3)}.preview-container{display:flex;flex-direction:column;align-items:center;gap:12px}.preview-label{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--teal);font-weight:500}.xray-preview{width:100%;max-width:300px;border-radius:var(--radius);border:1px solid var(--border);filter:grayscale(100%) brightness(.9) contrast(1.1)}.reset-btn{display:flex;align-items:center;gap:6px;background:none;border:1px solid var(--border);color:var(--text-3);border-radius:8px;padding:7px 14px;font-size:12px;cursor:pointer;transition:all .15s}.reset-btn:hover{border-color:var(--teal);color:var(--teal)}.analyze-btn{width:100%;margin-top:16px;background:linear-gradient(135deg,var(--teal-dim),#0891b2);color:#fff;border:none;border-radius:10px;padding:13px;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .15s,transform .1s}.analyze-btn:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}.analyze-btn:disabled{opacity:.5;cursor:not-allowed}.analyze-btn.secondary{background:var(--bg-card2);border:1px solid var(--border);color:var(--text-2);margin-top:16px}.btn-inner{display:flex;align-items:center;justify-content:center;gap:8px}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{margin-top:12px;display:flex;align-items:center;gap:8px;background:#ef44441a;border:1px solid var(--red-dim);color:#fca5a5;border-radius:8px;padding:10px 14px;font-size:13px}.result-card{display:flex;flex-direction:column;gap:20px}.result-pneumonia{border-color:var(--red-dim);background:linear-gradient(180deg,rgba(239,68,68,.06) 0%,var(--bg-card) 60%)}.result-normal{border-color:var(--green-dim);background:linear-gradient(180deg,rgba(34,197,94,.06) 0%,var(--bg-card) 60%)}.verdict-banner{display:flex;align-items:center;gap:14px}.verdict-icon{width:56px;height:56px;flex-shrink:0;border-radius:14px;display:grid;place-items:center}.result-pneumonia .verdict-icon{background:var(--red-glow);border:1px solid var(--red-dim);color:#f87171}.result-normal .verdict-icon{background:var(--green-glow);border:1px solid var(--green-dim);color:#4ade80}.verdict-label{font-size:22px;font-weight:800;letter-spacing:-.5px}.result-pneumonia .verdict-label{color:#f87171}.result-normal .verdict-label{color:#4ade80}.verdict-sub{font-size:13px;color:var(--text-3);margin-top:3px}.confidence-section{display:flex;flex-direction:column;gap:8px}.confidence-header{display:flex;justify-content:space-between;font-size:13px;color:var(--text-2)}.confidence-pct{font-weight:700;color:var(--text-1)}.confidence-track{height:8px;background:var(--border);border-radius:99px;overflow:hidden}.confidence-fill{height:100%;border-radius:99px;transition:width .8s cubic-bezier(.25,1,.5,1)}.result-pneumonia .confidence-fill{background:linear-gradient(90deg,var(--red-dim),var(--red))}.result-normal .confidence-fill{background:linear-gradient(90deg,var(--green-dim),var(--green))}.confidence-tier{font-size:11px;color:var(--text-3);text-align:right}.prob-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.prob-card{background:var(--bg-card2);border:1px solid var(--border);border-radius:10px;padding:14px}.prob-value{font-size:22px;font-weight:800;letter-spacing:-.5px}.prob-name{font-size:11px;color:var(--text-3);margin:3px 0 10px;text-transform:uppercase;letter-spacing:.6px}.prob-bar-wrap{height:4px;background:var(--border);border-radius:99px;overflow:hidden}.prob-bar{height:100%;border-radius:99px;transition:width .8s ease}.prob-normal .prob-value,.prob-normal .prob-bar{color:var(--green);background:var(--green)}.prob-pneum .prob-value,.prob-pneum .prob-bar{color:var(--red);background:var(--red)}.result-img-wrap{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px}.result-img{width:100%;max-width:260px;border-radius:10px;border:1px solid var(--border);filter:grayscale(100%) brightness(.85) contrast(1.2)}.result-img-label{font-size:11px;color:var(--text-3)}.clinical-note{display:flex;align-items:flex-start;gap:8px;background:#ffffff08;border:1px solid var(--border);border-radius:8px;padding:12px;font-size:12px;color:var(--text-3);line-height:1.5}.clinical-note svg{flex-shrink:0;margin-top:1px}.footer{text-align:center;padding:24px 20px;border-top:1px solid var(--border);font-size:12px;color:var(--text-3);display:flex;flex-direction:column;gap:4px}.disclaimer{color:#92400e}