/* ===== Nhi Xanh – giao diện đặt khám nhi ===== */
:root{
  --bg:#f2faf8; --card:#fff; --ink:#123b3a; --muted:#5f7f7d; --line:#dcefeb;
  --pri:#14a38b; --pri-d:#0d7f6c; --pri-l:#e0f5f0; --sun:#ffc94d; --sun-l:#fff5d9;
  --pink:#ff8fa3; --pink-l:#ffe8ec; --sky:#5ab8ff; --sky-l:#e6f4ff; --red:#d6455d; --r:20px;
  --shadow:0 6px 24px rgba(18,59,58,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:Nunito,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5;padding-bottom:84px}
button,input,select{font:inherit;color:inherit}
a{color:var(--pri-d)}
.wrap{max-width:980px;margin:0 auto;padding:0 16px}
.muted{color:var(--muted);font-size:14px}

/* header */
header{background:linear-gradient(135deg,var(--pri),#2bc4a6);color:#fff;padding:18px 0 64px;border-radius:0 0 32px 32px;position:relative;overflow:hidden}
header::before,header::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.12)}
header::before{width:220px;height:220px;right:-60px;top:-80px}
header::after{width:120px;height:120px;left:-30px;bottom:-50px}
.brand{display:flex;align-items:center;gap:12px;position:relative;z-index:1}
.logo{width:48px;height:48px;border-radius:16px;background:#fff;display:grid;place-items:center;flex:none}
.brand h1{font-size:17px;font-weight:900;line-height:1.2}
.brand p{font-size:13px;opacity:.92}
.topnav{display:none;gap:4px;margin-left:auto}
.topnav button{background:rgba(255,255,255,.15);border:0;color:#fff;padding:8px 14px;border-radius:999px;font-weight:700;cursor:pointer;white-space:nowrap}
.topnav button.on{background:#fff;color:var(--pri-d)}
.hello{position:relative;z-index:1;margin-top:18px}
.hello h2{font-size:24px;font-weight:900}
.hello p{opacity:.92;font-size:14px}

main{margin-top:-44px;position:relative;z-index:2}
.view{display:none;animation:fade .25s ease}
.view.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.card h3{font-size:17px;font-weight:800;margin-bottom:12px;display:flex;align-items:center;gap:8px}

/* đang khám / chuẩn bị */
.now{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ticket{border-radius:18px;padding:16px;min-width:0}
.ticket.cur{background:var(--pri-l)}
.ticket.nxt{background:var(--sun-l)}
.ticket .lbl{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.ticket .num{font-size:44px;font-weight:900;line-height:1.05;margin:4px 0}
.ticket.cur .num{color:var(--pri-d)}
.ticket.nxt .num{color:#b8860b}
.ticket .who{font-weight:700;font-size:14px;overflow:hidden;text-overflow:ellipsis}
.ticket .more{font-size:12px;color:var(--muted);font-weight:700}
.pulse{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--pri);box-shadow:0 0 0 0 rgba(20,163,139,.6);animation:pl 1.6s infinite}
.pulse.off{background:#c7d4d2;animation:none}
@keyframes pl{70%{box-shadow:0 0 0 8px rgba(20,163,139,0)}100%{box-shadow:0 0 0 0 rgba(20,163,139,0)}}
.stats{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.chip{background:var(--bg);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700}

/* danh sách */
.qhead{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px}
.qhead h3{margin:0}
.btn-ghost{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-weight:700;font-size:13px;cursor:pointer}
.btn-ghost:disabled{opacity:.5}
.filters{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;margin-bottom:8px}
.filters button{border:0;background:var(--bg);border-radius:999px;padding:6px 12px;font-weight:700;font-size:13px;white-space:nowrap;cursor:pointer}
.filters button.on{background:var(--ink);color:#fff}
.q{list-style:none}
.q li{display:flex;align-items:center;gap:12px;padding:12px 4px;border-bottom:1px dashed var(--line)}
.q li:last-child{border:0}
.q .no{width:56px;height:52px;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-weight:900;font-size:18px;flex:none;background:var(--sky-l);color:#1f78c1;line-height:1.1}
.q .no small{font-size:10px;font-weight:700;opacity:.8}
.q li.s3 .no{background:var(--pri);color:#fff}
.q li.s2 .no{background:var(--sun);color:#5a4200}
.q li.near .no{box-shadow:0 0 0 3px var(--sun)}
.q li.mine{background:var(--pink-l);border-radius:14px}
.q .info{flex:1;min-width:0}
.q .nm{font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.q .sub{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tag{font-size:11px;font-weight:800;padding:3px 8px;border-radius:999px;white-space:nowrap}
.tag.s3{background:var(--pri-l);color:var(--pri-d)}
.tag.s2{background:var(--sun-l);color:#8a6400}
.tag.s1{background:var(--sky-l);color:#1f78c1}
.tag.near{background:var(--sun);color:#5a4200}
.empty{text-align:center;padding:20px;color:var(--muted);justify-content:center}
.skel{height:52px;border-radius:16px;background:linear-gradient(90deg,#eef6f4 25%,#f7fbfa 50%,#eef6f4 75%);background-size:200% 100%;animation:sk 1.2s infinite;margin:10px 0}
@keyframes sk{to{background-position:-200% 0}}
.err-box{background:var(--pink-l);border-radius:14px;padding:12px 14px;font-size:14px;margin-bottom:10px}

/* form */
.field{margin-bottom:14px}
.field label{display:block;font-weight:800;font-size:14px;margin-bottom:6px}
.field label small{font-weight:600;color:var(--muted)}
.field input,.field select{width:100%;border:2px solid var(--line);border-radius:14px;padding:12px 14px;background:#fff;outline:none;transition:border .15s;font-size:16px}
.field input:focus,.field select:focus{border-color:var(--pri)}
.field .err{color:var(--red);font-size:12px;margin-top:4px;display:none}
.field.bad input,.field.bad select{border-color:#ff9db0}
.field.bad .err{display:block}
.row2{display:grid;grid-template-columns:1fr;gap:0 12px}
.sec-t{font-size:12px;font-weight:900;color:var(--pri-d);text-transform:uppercase;letter-spacing:.06em;margin:4px 0 12px;display:flex;align-items:center;gap:8px}
.sec-t::after{content:"";flex:1;height:2px;background:var(--line);border-radius:2px}
.dayinfo{display:flex;align-items:center;gap:12px;background:var(--pri-l);border-radius:14px;padding:12px 14px;margin-bottom:14px;font-weight:700}
.dayinfo b{font-size:18px;color:var(--pri-d)}
.slots{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.slot{border:2px solid var(--line);background:#fff;border-radius:14px;padding:10px 4px;text-align:center;font-weight:800;font-size:13px;cursor:pointer;transition:.15s}
.slot.on{border-color:var(--pri);background:var(--pri-l);color:var(--pri-d)}
.btn{display:block;width:100%;border:0;background:var(--pri);color:#fff;font-weight:900;font-size:16px;padding:15px;border-radius:16px;cursor:pointer;box-shadow:0 6px 16px rgba(20,163,139,.3);transition:.15s;text-align:center;text-decoration:none}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}
.btn.alt{background:var(--ink);box-shadow:none}
.btn.line{background:#fff;color:var(--pri-d);border:2px solid var(--pri-l);box-shadow:none}
.note{background:var(--sun-l);border-radius:14px;padding:12px 14px;font-size:13px;margin:14px 0}
.warn{background:var(--pink-l);border-radius:14px;padding:12px 14px;font-size:14px;margin-bottom:14px}
.warn b{color:var(--red)}
.spin{display:inline-block;width:16px;height:16px;border:2.5px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:rt .7s linear infinite;vertical-align:-3px;margin-right:6px}
@keyframes rt{to{transform:rotate(360deg)}}

/* kết quả đăng ký */
.success{text-align:center}
.success .big{font-size:76px;font-weight:900;color:var(--pri-d);line-height:1;margin:4px 0 8px}
.success .lbl{font-size:12px;font-weight:900;color:var(--muted);letter-spacing:.08em}
.barcode{background:#fff;border:2px dashed var(--line);border-radius:16px;padding:10px;margin:14px auto;max-width:300px}
.barcode img{display:block;width:100%;height:auto;image-rendering:pixelated}
.success .kv{text-align:left;background:var(--bg);border-radius:14px;padding:12px 14px;margin:12px 0;font-size:14px}
.success .actions{display:grid;gap:8px;margin-top:12px}

/* tra cứu */
.search{display:flex;gap:8px}
.search input{flex:1;min-width:0;border:2px solid var(--line);border-radius:14px;padding:12px 14px;outline:none;font-size:16px}
.search input:focus{border-color:var(--pri)}
.search button{border:0;background:var(--pri);color:#fff;font-weight:800;border-radius:14px;padding:0 18px;cursor:pointer;white-space:nowrap}
.result{margin-top:16px}
.rcard{border-radius:18px;background:linear-gradient(135deg,var(--pri-l),#fff);border:2px solid var(--pri-l);padding:16px;display:flex;gap:16px;align-items:center;margin-bottom:10px}
.rcard .big{font-size:40px;font-weight:900;color:var(--pri-d);line-height:1;min-width:76px;text-align:center}
.rcard .big small{display:block;font-size:11px;color:var(--muted);font-weight:800;letter-spacing:.05em}
.kv{font-size:14px;min-width:0;word-break:break-word}
.kv b{font-weight:800}
.miss{background:var(--pink-l);border-radius:18px;padding:16px;font-size:14px}
.miss p{margin-bottom:6px}

/* hướng dẫn */
.steps{list-style:none;counter-reset:s}
.steps li{counter-increment:s;display:flex;gap:14px;padding:12px 0}
.steps li::before{content:counter(s);width:36px;height:36px;border-radius:12px;background:var(--pri);color:#fff;font-weight:900;display:grid;place-items:center;flex:none}
.steps b{display:block}
.faq details{border-bottom:1px dashed var(--line);padding:12px 0}
.faq details:last-child{border:0}
.faq summary{font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;color:var(--pri);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);font-size:14px;margin-top:6px}

/* bác sĩ & liên hệ */
.doc{display:flex;gap:16px;align-items:center}
.avatar{width:84px;height:84px;border-radius:26px;background:linear-gradient(135deg,var(--pink-l),var(--sky-l));display:grid;place-items:center;flex:none}
.creds{list-style:none;margin-top:12px}
.creds li{display:flex;gap:10px;padding:6px 0;font-size:14px}
.creds li::before{content:"✓";color:var(--pri);font-weight:900}
.contact a,.contact div{display:flex;gap:12px;align-items:flex-start;padding:10px 0;text-decoration:none;color:var(--ink);font-size:14px;border-bottom:1px dashed var(--line)}
.contact>*:last-child{border:0}
.ic{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;flex:none}

/* thanh tab dưới */
.tabbar{position:fixed;left:0;right:0;bottom:0;background:#fff;box-shadow:0 -4px 20px rgba(18,59,58,.08);display:flex;padding:8px 6px calc(8px + env(safe-area-inset-bottom));z-index:20}
.tabbar button{flex:1;border:0;background:none;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;font-weight:800;color:var(--muted);padding:4px 0;cursor:pointer}
.tabbar svg{width:24px;height:24px}
.tabbar button.on{color:var(--pri-d)}
.tabbar .fab{margin-top:-26px}
.tabbar .fab span.c{width:54px;height:54px;border-radius:50%;background:var(--pri);color:#fff;display:grid;place-items:center;box-shadow:0 6px 16px rgba(20,163,139,.4);border:4px solid #fff}
.call{position:fixed;right:16px;bottom:96px;width:52px;height:52px;border-radius:50%;background:var(--pink);display:grid;place-items:center;box-shadow:0 6px 16px rgba(255,143,163,.5);z-index:19}

.toast{position:fixed;left:50%;top:20px;transform:translate(-50%,-160%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:14px;font-weight:700;z-index:50;transition:.3s;max-width:90vw;font-size:14px;text-align:center}
.toast.show{transform:translate(-50%,0)}
.demo-bar{background:var(--sun);color:#5a4200;text-align:center;font-size:12px;font-weight:800;padding:6px 10px}
footer{text-align:center;color:var(--muted);font-size:12px;padding:12px 0 24px}

@media(min-width:760px){
  body{padding-bottom:0}
  .tabbar{display:none}
  .call{bottom:24px}
  .topnav{display:flex}
  .row2{grid-template-columns:1fr 1fr}
  .slots{grid-template-columns:repeat(4,1fr)}
  .grid-home{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;align-items:start}
  .ticket .num{font-size:56px}
}
@media(max-width:360px){
  .ticket .num{font-size:36px}
  .brand h1{font-size:15px}
}
@media print{
  .tabbar,.call,.topnav,header::before,header::after{display:none}
}