/* MedScan Assistant — Accessible styles (WCAG 2.1 AA) */
:root {
  --green-dark:#085041;--green-mid:#0F6E56;--green-light:#1D9E75;--green-pale:#E1F5EE;
  --amber-dark:#633806;--amber-mid:#854F0B;--amber-pale:#FAEEDA;
  --blue-dark:#0C447C;--blue-pale:#E6F1FB;
  --red-dark:#791F1F;--red-pale:#FCEBEB;
  --gray-900:#1a1a1a;--gray-700:#3a3a3a;--gray-500:#666;--gray-200:#e8e8e8;--gray-100:#f5f5f5;
  --white:#fff;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
html{font-size:18px}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:#f0f4f2;color:var(--gray-900);line-height:1.6;min-height:100vh}
.app{max-width:560px;margin:0 auto;padding:14px 12px 40px}

/* Header */
.header{background:var(--green-mid);border-radius:16px;padding:14px 16px;display:flex;align-items:center;gap:12px;margin-bottom:14px}
.header-icon{font-size:28px;width:50px;height:50px;background:rgba(255,255,255,0.18);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.header-text{flex:1}
.header-text h1{color:#fff;font-size:1.2rem;font-weight:600;line-height:1.2}
.header-text p{color:rgba(255,255,255,0.78);font-size:0.78rem;margin-top:2px}

/* Market switcher */
.market-switcher{display:flex;gap:6px;flex-shrink:0}
.mkt-btn{background:rgba(255,255,255,0.15);color:#fff;border:1.5px solid rgba(255,255,255,0.3);border-radius:8px;padding:6px 12px;font-size:0.82rem;font-weight:600;cursor:pointer;transition:all 0.15s;white-space:nowrap}
.mkt-btn:hover{background:rgba(255,255,255,0.25)}
.mkt-btn.active{background:#fff;color:var(--green-mid);border-color:#fff}

/* API section */
.api-section{background:var(--white);border:1px solid var(--gray-200);border-radius:14px;padding:14px 16px;margin-bottom:12px}
.api-label{display:flex;align-items:center;gap:6px;font-size:0.88rem;font-weight:600;color:var(--gray-700);margin-bottom:8px}
.api-row{display:flex;gap:8px}
.api-input{flex:1;border:1.5px solid var(--gray-200);border-radius:8px;padding:9px 12px;font-size:0.88rem;font-family:monospace;color:var(--gray-900);background:var(--gray-100);outline:none;transition:border-color 0.2s}
.api-input:focus{border-color:var(--green-light);background:#fff}
.btn-save-key{background:var(--green-mid);color:#fff;border:none;border-radius:8px;padding:9px 16px;font-size:0.88rem;font-weight:600;cursor:pointer;white-space:nowrap;transition:background 0.15s}
.btn-save-key:hover{background:var(--green-dark)}
.api-help{font-size:0.75rem;color:var(--gray-500);margin-top:7px;line-height:1.5}
.api-help a{color:var(--green-mid)}
.api-help code{background:var(--gray-100);padding:1px 5px;border-radius:4px;font-size:0.72rem}
.key-status{font-size:0.82rem;margin-top:7px;min-height:18px;font-weight:500}
.key-status.ok{color:var(--green-mid)}.key-status.err{color:var(--red-dark)}

/* Scan section */
.scan-section{background:var(--white);border:1px solid var(--gray-200);border-radius:14px;padding:18px;margin-bottom:12px}
.scan-hint{font-size:0.88rem;color:var(--gray-500);margin-bottom:12px}
.scan-area{border:2.5px dashed var(--green-light);border-radius:12px;padding:26px 16px;text-align:center;cursor:pointer;transition:background 0.15s,border-color 0.15s;margin-bottom:16px;user-select:none}
.scan-area:hover,.scan-area:focus{background:var(--green-pale);border-color:var(--green-dark);outline:3px solid var(--green-light);outline-offset:2px}
.scan-area.active{background:var(--green-pale);border-style:solid}
.scan-icon{font-size:2.6rem;margin-bottom:8px}
.scan-label{font-size:1.05rem;font-weight:600;color:var(--gray-900)}
.scan-sub{font-size:0.85rem;color:var(--gray-500);margin-top:3px}
.image-preview{width:100%;max-height:190px;object-fit:cover;border-radius:10px;margin-bottom:12px;border:1px solid var(--gray-200)}
.divider{display:flex;align-items:center;gap:10px;margin:12px 0;color:var(--gray-500);font-size:0.82rem}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--gray-200)}
.textarea-input{width:100%;border:1.5px solid var(--gray-200);border-radius:8px;padding:11px 13px;font-size:0.95rem;font-family:inherit;color:var(--gray-900);background:var(--gray-100);resize:vertical;min-height:90px;margin-bottom:12px;outline:none;transition:border-color 0.2s;line-height:1.5}
.textarea-input:focus{border-color:var(--green-light);background:#fff}

/* Buttons */
.btn-primary{width:100%;background:var(--green-mid);color:#fff;border:none;border-radius:12px;padding:15px;font-size:1.05rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:9px;margin-bottom:9px;transition:background 0.15s,transform 0.1s;min-height:52px}
.btn-primary:hover{background:var(--green-dark)}.btn-primary:active{transform:scale(0.98)}.btn-primary:disabled{opacity:0.6;cursor:not-allowed}
.btn-secondary{width:100%;background:transparent;color:var(--green-mid);border:2px solid var(--green-light);border-radius:12px;padding:12px;font-size:0.95rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:background 0.15s;min-height:48px}
.btn-secondary:hover{background:var(--green-pale)}

/* Loading */
.loading-box{background:var(--white);border-radius:14px;padding:28px;text-align:center;margin-bottom:12px;border:1px solid var(--gray-200)}
.spinner{width:40px;height:40px;border:3px solid var(--green-pale);border-top-color:var(--green-light);border-radius:50%;animation:spin 0.8s linear infinite;margin:0 auto 14px}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{font-size:0.95rem;color:var(--gray-500);font-weight:500}

/* Result */
.result-section{background:var(--white);border:1px solid var(--gray-200);border-radius:14px;padding:18px;margin-bottom:12px;animation:fadeIn 0.3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.med-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px;gap:10px;flex-wrap:wrap}
.med-name{font-size:1.4rem;font-weight:700;color:var(--gray-900);line-height:1.2}
.med-subtitle{font-size:0.85rem;color:var(--gray-500);margin-top:3px}

/* Rx/OTC badge */
.rx-badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:0.75rem;font-weight:600;margin-top:5px}
.rx-otc{background:var(--green-pale);color:var(--green-dark)}
.rx-rx{background:#E6F1FB;color:var(--blue-dark)}

/* Expiry badge */
.expiry-badge{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:20px;font-size:0.88rem;font-weight:700;white-space:nowrap}
.badge-ok{background:var(--green-pale);color:var(--green-dark)}
.badge-warn{background:var(--amber-pale);color:var(--amber-dark)}
.badge-exp{background:var(--red-pale);color:var(--red-dark)}
.badge-unk{background:var(--gray-100);color:var(--gray-700)}

/* Info boxes */
.purpose-box{background:var(--blue-pale);border-radius:12px;padding:14px;margin-bottom:12px}
.box-title{font-size:0.78rem;font-weight:700;letter-spacing:0.3px;margin-bottom:6px;text-transform:uppercase}
.purpose-box .box-title{color:var(--blue-dark)}
.warnings-box .box-title{color:var(--amber-mid)}
.interactions-box .box-title{color:var(--green-dark)}
.box-text{font-size:0.95rem;line-height:1.6;color:var(--blue-dark)}

.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:12px}
.info-card{border-radius:12px;padding:13px}
.info-card.full{grid-column:1/-1}
.info-card.green{background:var(--green-pale)}.info-card.amber{background:var(--amber-pale)}.info-card.blue{background:var(--blue-pale)}
.info-card-label{font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:5px}
.info-card.green .info-card-label{color:var(--green-mid)}.info-card.amber .info-card-label{color:var(--amber-mid)}.info-card.blue .info-card-label{color:var(--blue-dark)}
.info-card-value{font-size:0.95rem;font-weight:600;line-height:1.4;white-space:pre-line}
.info-card.green .info-card-value{color:var(--green-dark)}.info-card.amber .info-card-value{color:var(--amber-dark)}.info-card.blue .info-card-value{color:var(--blue-dark)}

.warnings-box{background:var(--amber-pale);border-left:4px solid #EF9F27;border-radius:0 12px 12px 0;padding:13px 15px;margin-bottom:12px}
.warnings-list{list-style:none;display:flex;flex-direction:column;gap:5px}
.warnings-list li{font-size:0.92rem;color:var(--amber-dark);padding-left:18px;position:relative;line-height:1.5}
.warnings-list li::before{content:"⚠";position:absolute;left:0;font-size:0.8rem;top:2px}

.interactions-box{background:var(--green-pale);border-radius:12px;padding:13px 15px;margin-bottom:12px}
.interactions-box .box-text{color:var(--green-dark)}

.seedoctor-box{background:#F3EDFB;border-left:4px solid #8B5CF6;border-radius:0 12px 12px 0;padding:13px 15px;margin-bottom:12px}
.seedoctor-box .box-title{color:#5B21B6}
.seedoctor-list{list-style:none;display:flex;flex-direction:column;gap:5px}
.seedoctor-list li{font-size:0.92rem;color:#4C1D95;padding-left:20px;position:relative;line-height:1.5}
.seedoctor-list li::before{content:"🏥";position:absolute;left:0;font-size:0.78rem;top:2px}

.btn-row{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:4px}
.btn-speak{background:var(--green-mid);color:#fff;border:none;border-radius:12px;padding:14px 10px;font-size:0.95rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:7px;min-height:50px;transition:background 0.15s}
.btn-speak:hover{background:var(--green-dark)}.btn-speak.speaking{background:#A32D2D}
.btn-reset{background:var(--gray-100);color:var(--gray-900);border:1.5px solid var(--gray-200);border-radius:12px;padding:14px 10px;font-size:0.95rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:7px;min-height:50px;transition:background 0.15s}
.btn-reset:hover{background:var(--gray-200)}

.error-box{background:var(--red-pale);border:1.5px solid #F09595;border-radius:12px;padding:13px 15px;margin-bottom:12px;font-size:0.92rem;color:var(--red-dark);display:flex;align-items:flex-start;gap:9px}
.footer{text-align:center;font-size:0.72rem;color:var(--gray-500);margin-top:18px;line-height:1.6}
.footer a{color:var(--green-mid)}

*:focus-visible{outline:3px solid var(--green-light);outline-offset:2px;border-radius:4px}

@media(max-width:400px){
  html{font-size:16px}
  .btn-row{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .info-card.full{grid-column:1}
  .med-header{flex-direction:column}
  .market-switcher{flex-direction:row}
}
@media(prefers-color-scheme:dark){
  body{background:#111;color:#f0f0f0}
  .scan-section,.result-section,.api-section,.loading-box{background:#1e1e1e;border-color:#333}
  .textarea-input,.api-input{background:#2a2a2a;border-color:#444;color:#f0f0f0}
  .btn-reset{background:#2a2a2a;color:#f0f0f0;border-color:#444}
  .btn-reset:hover{background:#333}
  .med-name,.scan-label{color:#f0f0f0}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.01ms !important;transition-duration:0.01ms !important}
}