:root{
  --blue:#1e9bd7;        /* xanh logo Bệnh viện – chủ đạo */
  --blue-600:#1586bd;
  --blue-800:#0b5e8e;    /* xanh đậm – tiêu đề */
  --navy:#0e3a57;        /* chữ chính */
  --red:#d6312b;         /* đỏ thập tự – điểm nhấn */
  --gold:#f5b800;        /* vàng sao */
  --bg:#f3f8fc;
  --card:#ffffff;
  --line:#dbe8f2;
  --muted:#5b7387;
  --soft:#e8f4fb;
  --shadow:0 1px 2px rgba(14,58,87,.06),0 8px 24px rgba(14,58,87,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--navy);
  background:
    radial-gradient(1200px 500px at 100% -10%,rgba(30,155,215,.12),transparent 60%),
    radial-gradient(900px 400px at -10% 0%,rgba(245,184,0,.08),transparent 60%),
    var(--bg);
  min-height:100vh;
  display:flex;flex-direction:column;
  -webkit-font-smoothing:antialiased;
}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
button{font:inherit;cursor:pointer}
input{font:inherit;color:inherit}
[hidden]{display:none !important}

/* ---------- Header ---------- */
.topbar{
  background:linear-gradient(120deg,#ffffff 0%,#ffffff 55%,#eaf6fd 100%);
  border-bottom:1px solid var(--line);
  position:relative;
}
.topbar::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;
  background:linear-gradient(90deg,var(--blue) 0 70%,var(--red) 70% 85%,var(--gold) 85% 100%);
}
.brand{max-width:1200px;margin:0 auto;padding:16px 20px;display:flex;align-items:center;gap:16px}
.brand-logo{width:64px;height:64px;flex:none}
.brand-sub{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--red)}
.brand-title{margin:2px 0;font-size:20px;line-height:1.25;font-weight:800;color:var(--blue-800)}
.brand-motto{font-size:13px;color:var(--blue);font-weight:600}

/* ---------- Toolbar ---------- */
.wrap{max-width:1200px;width:100%;margin:0 auto;padding:24px 20px 40px;flex:1}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.toolbar-left{display:flex;align-items:baseline;gap:10px}
.page-title{margin:0;font-size:24px;font-weight:800;color:var(--navy)}
.count{font-size:14px;color:var(--muted);font-weight:500}
.toolbar-right{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 12px;height:44px;min-width:260px;color:var(--muted)}
.search:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,155,215,.15)}
.search input{border:0;outline:0;background:transparent;height:100%;flex:1;min-width:0;font-size:15px;color:var(--navy)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:15px;transition:background .15s,transform .05s,box-shadow .15s}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.6;cursor:default}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 12px rgba(30,155,215,.3)}
.btn-primary:hover:not(:disabled){background:var(--blue-600)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--navy)}
.btn-ghost:hover{background:var(--soft)}
.btn-danger{background:var(--red);color:#fff;box-shadow:0 4px 12px rgba(214,49,43,.25)}
.btn-danger:hover:not(:disabled){background:#b9241f}
.icon-btn{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;border:0;background:transparent;color:var(--muted)}
.icon-btn:hover{background:var(--soft);color:var(--blue-800)}

/* ---------- Grid & cards ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px;padding-top:6px}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(14,58,87,.06),0 14px 32px rgba(14,58,87,.12)}
.card-qr{position:relative;aspect-ratio:1;border-radius:12px;overflow:hidden;background:#fff;border:1px solid #eef4f9}
.card-qr img{width:100%;height:100%;display:block}
.card-del{position:absolute;top:-10px;right:-10px;z-index:2;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;background:#fff;color:var(--muted);box-shadow:0 2px 6px rgba(14,58,87,.15)}
.card-del svg{width:16px;height:16px}
.card-del:hover{background:var(--red);border-color:var(--red);color:#fff}
.card-row{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.card-no{font-weight:800;color:var(--blue);font-size:15px}
.card-actions{display:flex;gap:2px}
.card-actions .icon-btn{width:34px;height:34px}
.card-name{margin:6px 0 0;font-size:16px;font-weight:700;line-height:1.35;color:var(--navy);text-align:center;word-break:break-word}
.card-note{margin:4px 0 0;font-size:13px;color:var(--muted);text-align:center;word-break:break-word}
.card-link{margin:8px 0 0;font-size:12px;color:var(--blue-800);text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;opacity:.8}
.card-link a{color:inherit;text-decoration:none}
.card-link a:hover{text-decoration:underline}

.skeleton{background:linear-gradient(90deg,#eef4f9 25%,#f7fbfe 50%,#eef4f9 75%);background-size:200% 100%;animation:sk 1.2s infinite;border-radius:12px}
@keyframes sk{to{background-position:-200% 0}}

.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty img{width:96px;height:96px;opacity:.9}
.empty p{font-size:15px}
.notice{background:#fff7e0;border:1px solid #f3dc92;color:#7a5a00;padding:12px 16px;border-radius:12px;margin-bottom:16px;font-size:14px}

.foot{text-align:center;font-size:13px;color:var(--muted);padding:16px 20px 24px}

/* ---------- Modal ---------- */
.overlay{position:fixed;inset:0;background:rgba(10,35,55,.45);backdrop-filter:blur(2px);display:grid;place-items:center;padding:16px;z-index:50;overflow-y:auto}
.modal{position:relative;background:#fff;border-radius:22px;width:min(860px,100%);padding:24px 24px 20px;box-shadow:0 30px 60px rgba(10,35,55,.3);animation:pop .16s ease-out;margin:auto}
.modal-sm{width:min(440px,100%)}
@keyframes pop{from{transform:translateY(8px) scale(.98);opacity:0}}
.modal-close{position:absolute;top:14px;right:14px}
.modal-title{margin:0 0 18px;font-size:20px;font-weight:800;color:var(--blue-800);padding-right:40px}
.modal-title.danger{color:var(--red)}
.modal-body{display:grid;grid-template-columns:1fr 280px;gap:24px}
.form-col{display:flex;flex-direction:column;gap:14px;min-width:0}
.field{display:flex;flex-direction:column;gap:6px}
.field>span{font-size:14px;font-weight:600;color:var(--navy)}
.field>span i{color:var(--red);font-style:normal}
.field input[type=text],.field input[type=url],.field input[type=password]{height:46px;border:1.5px solid var(--line);border-radius:12px;padding:0 14px;font-size:15px;outline:0;background:#fff;transition:border-color .15s,box-shadow .15s}
.field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,155,215,.15)}
.field input.invalid{border-color:var(--red)}
.hint{font-size:12.5px;color:var(--muted)}
.hint.center{text-align:center;display:block;margin-top:8px}

.logo-options{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.logo-opt{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px 10px;border:1.5px solid var(--line);border-radius:14px;cursor:pointer;text-align:center;font-size:13px;font-weight:600;color:var(--navy);transition:border-color .15s,background .15s;user-select:none}
.logo-opt:hover{border-color:#b9d9ec}
.logo-opt input{position:absolute;top:8px;left:8px;width:16px;height:16px;accent-color:var(--blue);margin:0}
.logo-opt img,.logo-opt-ico{width:40px;height:40px}
.logo-opt-ico{display:grid;place-items:center;border-radius:50%;background:var(--soft);color:var(--blue-800)}
.logo-opt:has(input:checked){border-color:var(--blue);background:var(--soft)}

.drop{border:2px dashed #9fd0ea;background:#f4fafe;border-radius:16px;padding:22px 16px;text-align:center;cursor:pointer;transition:background .15s,border-color .15s;outline:0}
.drop:hover,.drop:focus-visible{border-color:var(--blue)}
.drop.drag{background:#e3f3fc;border-color:var(--blue)}
.drop-empty{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--navy)}
.drop-empty svg{width:34px;height:34px;color:var(--blue)}
.drop-empty small{color:var(--muted)}
.drop-filled{display:flex;align-items:center;gap:14px;text-align:left}
.drop-filled img{width:56px;height:56px;object-fit:contain;border-radius:10px;background:#fff;border:1px solid var(--line)}
.drop-filled b{display:block;font-size:14px;word-break:break-all}
.drop-filled small{color:var(--muted)}

.preview-col{display:flex;flex-direction:column}
.preview-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:inset 0 0 0 4px #f6fafd}
.preview-box canvas{width:100%;height:auto;display:block;aspect-ratio:1}

.form-error{grid-column:1/-1;background:#fdecea;color:#a3221d;border:1px solid #f6c3c0;padding:10px 14px;border-radius:12px;font-size:14px}
.modal-actions{grid-column:1/-1;display:flex;justify-content:flex-end;gap:10px;margin-top:4px}
.del-body{display:flex;flex-direction:column;gap:14px}
.del-body p{margin:0;line-height:1.55;color:var(--navy)}

.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.25);z-index:60;max-width:calc(100% - 32px)}
.toast.err{background:var(--red)}

/* ---------- Responsive ---------- */
@media (max-width:760px){
  .modal-body{grid-template-columns:1fr}
  .preview-col{order:-1;align-items:center}
  .preview-box{width:200px}
  .modal{padding:20px 16px 16px}
}
@media (max-width:600px){
  .brand{padding:12px 16px;gap:12px}
  .brand-logo{width:48px;height:48px}
  .brand-title{font-size:15px}
  .brand-sub,.brand-motto{font-size:11px}
  .wrap{padding:18px 14px 32px}
  .toolbar-right{width:100%}
  .search{flex:1;min-width:0}
  .grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .card{padding:10px;border-radius:14px}
  .card-name{font-size:14px}
  .card-actions .icon-btn{width:30px;height:30px}
  .logo-opt{font-size:12px;padding:10px 4px 8px}
  .logo-opt img,.logo-opt-ico{width:34px;height:34px}
}
@media (max-width:360px){
  .grid{grid-template-columns:1fr}
}