/* V16 bổ sung theo cấu trúc V15: nhật ký theo ngày, nhắc lịch và quét khách. */
.guest-hero-copy h1 .hero-line{display:block;white-space:nowrap}
.guest-hero-copy h1 .hero-line em{color:#ffdc71;font-style:normal}
.guest-quick-scan{margin:34px auto;padding:clamp(24px,4vw,48px);border-radius:34px;background:linear-gradient(135deg,#263884,#4358ca 55%,#6761dc);color:#fff;box-shadow:0 24px 60px rgba(35,51,128,.22)}
.guest-quick-scan .eyebrow,.guest-quick-scan h2,.guest-quick-scan p,.guest-quick-scan label{color:#fff}
.guest-scan-heading{max-width:780px;margin-bottom:24px}.guest-scan-heading h2{font-size:clamp(30px,4vw,52px);margin:.2em 0}
.guest-scan-layout{display:grid;grid-template-columns:minmax(220px,340px) minmax(0,1fr);gap:28px;align-items:start}
.guest-scan-photo,.guest-scan-fields{padding:22px;border:1px solid rgba(255,255,255,.25);border-radius:24px;background:rgba(255,255,255,.1)}
.guest-one-shot{aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden;margin-bottom:14px;border:2px dashed rgba(255,255,255,.55);border-radius:20px;background:rgba(255,255,255,.1)}
.guest-one-shot img{width:100%;height:100%;object-fit:cover}.guest-one-shot>div{display:grid;justify-items:center;gap:8px}.guest-one-shot svg{width:42px;height:42px}.guest-one-shot b{font-size:20px}.guest-one-shot small{color:#dbe4ff}
.guest-scan-fields input,.guest-scan-fields select,.guest-scan-fields textarea{background:#fff;color:#17245e}.guest-scan-result{margin-top:24px;color:#17245e}.guest-scan-result:empty{display:none}.guest-scan-result .scan-result{padding:22px;border-radius:24px;background:#f3f5ff}
.guest-scan-result .ai-feedback-panel{display:none}
.diary-day summary small{margin-left:6px}.diary-day-body{display:grid;gap:14px}.diary-day-body>section{padding:14px;border-radius:16px;background:rgba(255,255,255,.45)}
@media(max-width:760px){.guest-hero-copy h1{font-size:clamp(39px,11vw,58px);line-height:.98}.guest-scan-layout{grid-template-columns:1fr}.guest-quick-scan{border-radius:24px}.guest-hero-copy h1 .hero-line{letter-spacing:-.045em}}
@media(max-width:390px){.guest-hero-copy h1{font-size:36px}}

.guest-one-shot{position:relative}.guest-one-shot video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.guest-camera-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.guest-camera-actions .btn{cursor:pointer}.guest-camera-actions [hidden],.guest-one-shot [hidden]{display:none!important}

.rx-tooth-crop{width:min(94vw,780px);max-height:95vh;border:0;border-radius:22px;padding:18px;background:#fff;color:#17245e;box-shadow:0 20px 80px #0006}.rx-tooth-crop::backdrop{background:#071333cc}.rx-tooth-crop h2{margin:0 0 8px;font-size:24px}.rx-tooth-crop p{margin:8px 0 12px}.rx-tooth-crop canvas{display:block;max-width:100%;max-height:62vh;width:auto;height:auto;margin:auto;touch-action:none;cursor:crosshair;border-radius:10px}.rx-crop-buttons{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px;margin-top:12px}

.guest-one-shot #guestTeethGuide{position:absolute;left:17%;top:38%;width:66%;height:28%;z-index:5;border:3px solid #ffdb45;border-radius:22px;box-shadow:0 0 0 200vmax rgba(5,12,33,.65),inset 0 0 0 1px #fff;touch-action:none;cursor:move;display:flex;align-items:flex-end;justify-content:center;pointer-events:auto}.guest-one-shot #guestTeethGuide[hidden]{display:none!important}#guestTeethGuide span{background:#17245ee0;color:white;padding:3px 7px;font-size:12px;border-radius:6px;line-height:1.25;text-align:center;pointer-events:none;transform:translateY(110%)}