/* Diagnostic Center + OPD platform — shared styles
   Theme device: the lab requisition slip / report — barcode-style IDs,
   category color-coding (blood/urine/radiology), not a generic medical blue. */

:root{
  --navy:#1E2A45;
  --navy-deep:#141D33;
  --paper:#FFFFFF;
  --bg:#F4F6F8;
  --line:rgba(30,42,69,0.14);
  --ink:#1E2432;
  --ink-soft:#5B6472;
  --teal:#0E8074;
  --blood:#C0392B;
  --urine:#C9971F;
  --radiology:#5B4FBF;
  --opd:#0E8074;
  --radius:6px;
  --font-display:'Manrope', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
  --maxw:1160px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0; background:var(--bg); color:var(--ink); font-family:var(--font-body); font-size:16px; line-height:1.6;}
a{color:inherit;}
h1,h2,h3{font-family:var(--font-display); font-weight:800; margin:0; color:var(--navy);}
p{margin:0;}
.container{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
.muted{color:var(--ink-soft); font-size:14px;}
.muted.small{font-size:12.5px;}
.eyebrow{font-family:var(--font-mono); font-size:12px; letter-spacing:0.08em; text-transform:uppercase; color:var(--teal);}

.btn{font-family:var(--font-body); font-weight:700; font-size:14px; padding:11px 22px; border-radius:6px; text-decoration:none; display:inline-block; cursor:pointer; border:1.5px solid transparent;}
.btn-primary{background:var(--navy); color:#fff;}
.btn-primary:hover{background:var(--navy-deep);}
.btn-outline{border-color:var(--navy); color:var(--navy); background:none;}
.btn-outline:hover{background:var(--navy); color:#fff;}
.btn-danger{border-color:var(--blood); color:var(--blood); background:none;}
.btn-danger:hover{background:var(--blood); color:#fff;}
.btn-sm{padding:7px 14px; font-size:12.5px; border-radius:4px;}
.btn-block{display:block; width:100%; text-align:center;}

/* header */
.site-header{background:var(--paper); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:30;}
.nav-row{display:flex; align-items:center; justify-content:space-between; padding:16px 24px;}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none;}
.brand-mark{width:38px; height:38px; color:var(--navy);}
.brand-name{font-family:var(--font-display); font-size:19px; font-weight:800; color:var(--navy); line-height:1.15;}
.brand-sub{font-size:11.5px; color:var(--ink-soft);}
.nav-links{display:flex; gap:22px; align-items:center; font-size:14px; font-weight:600;}
.nav-links a{text-decoration:none; color:var(--ink);}
.nav-links a:hover{color:var(--teal);}

/* category badges */
.cat-badge{font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:0.04em; padding:3px 10px; border-radius:10px; display:inline-block;}
.cat-blood{background:rgba(192,57,43,0.12); color:var(--blood);}
.cat-urine{background:rgba(201,151,31,0.14); color:var(--urine);}
.cat-radiology, .cat-mri, .cat-ct{background:rgba(91,79,191,0.12); color:var(--radiology);}
.cat-opd{background:rgba(14,128,116,0.12); color:var(--opd);}

/* hero */
.hero{background:var(--navy); color:#fff; padding:56px 0;}
.hero h1{color:#fff; font-size:clamp(28px,4vw,42px); margin:12px 0 14px;}
.hero p{color:rgba(255,255,255,0.8); max-width:52ch; margin-bottom:26px;}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap;}

.service-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin-top:20px;}
@media (max-width:900px){.service-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.service-grid{grid-template-columns:1fr;}}
.service-card{background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:22px; text-decoration:none; color:var(--ink); display:block;}
.service-card:hover{border-color:var(--navy);}
.service-card svg{width:32px; height:32px; color:var(--navy); margin-bottom:12px;}
.service-card h3{font-size:16px; margin-bottom:6px;}
.service-card p{font-size:13px; color:var(--ink-soft);}

section{padding:50px 0;}
.section-head{margin-bottom:26px;}
.section-head h2{font-size:26px; margin-top:6px;}
.band{background:var(--paper); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}

/* test catalog */
.filter-row{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:20px;}
.filter-chip{font-family:var(--font-mono); font-size:12.5px; padding:7px 14px; border-radius:14px; border:1px solid var(--line); text-decoration:none; color:var(--ink);}
.filter-chip.active{background:var(--navy); color:#fff; border-color:var(--navy);}

.test-list{display:flex; flex-direction:column; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
.test-row{background:var(--paper); padding:16px 18px; display:flex; align-items:center; gap:14px; flex-wrap:wrap;}
.test-row__main{flex:1; min-width:200px;}
.test-row__name{font-weight:700; font-size:15px;}
.test-row__meta{font-size:12.5px; color:var(--ink-soft); margin-top:3px;}
.test-row__price{font-family:var(--font-mono); font-weight:600; font-size:16px; color:var(--navy); min-width:80px; text-align:right;}
.test-row input[type="checkbox"]{width:18px; height:18px;}

.cart-bar{position:sticky; bottom:0; background:var(--navy); color:#fff; padding:14px 0; margin-top:24px;}
.cart-bar .container{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;}
.cart-bar strong{font-family:var(--font-mono); font-size:18px;}

/* requisition-slip card (signature device) */
.slip{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);
  border-left:4px solid var(--navy); padding:24px 26px;
}
.slip-id{font-family:var(--font-mono); font-size:12px; letter-spacing:0.08em; color:var(--ink-soft); border-bottom:1px dashed var(--line); padding-bottom:12px; margin-bottom:16px; display:flex; justify-content:space-between;}
.slip-line{display:flex; justify-content:space-between; padding:6px 0; border-bottom:1px dotted var(--line); font-size:14px;}
.slip-line:last-of-type{border-bottom:none;}
.slip-total{display:flex; justify-content:space-between; border-top:2px solid var(--navy); margin-top:12px; padding-top:12px; font-weight:700; font-size:18px;}

/* forms */
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
@media (max-width:640px){.form-grid{grid-template-columns:1fr;}}
.form-grid.cols-3{grid-template-columns:1fr 1fr 1fr;}
@media (max-width:760px){.form-grid.cols-3{grid-template-columns:1fr 1fr;}}
label, .field-label{font-size:12px; text-transform:uppercase; letter-spacing:0.03em; color:var(--ink-soft); display:block; margin-bottom:5px; font-weight:600;}
input, select, textarea{font-family:var(--font-body); font-size:14.5px; border:1px solid var(--line); border-radius:var(--radius); padding:11px 13px; width:100%; background:var(--paper); color:var(--ink);}
input:focus, select:focus, textarea:focus{outline:2px solid var(--teal); outline-offset:1px;}

/* doctor cards */
.doctor-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:20px;}
@media (max-width:800px){.doctor-grid{grid-template-columns:1fr;}}
.doctor-card{background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:22px; display:flex; gap:16px;}
.doctor-photo{width:64px; height:64px; border-radius:50%; object-fit:cover; border:2px solid var(--bg); flex-shrink:0;}
.doctor-photo-fallback{width:64px; height:64px; border-radius:50%; background:var(--navy); color:#fff; display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-size:22px; flex-shrink:0;}
.doctor-card h3{font-size:17px;}
.doctor-card .qual{font-size:13px; color:var(--ink-soft); margin-top:2px;}
.doctor-fee{font-family:var(--font-mono); font-weight:700; color:var(--navy); margin-top:8px;}
.mode-tag{font-family:var(--font-mono); font-size:11px; padding:2px 8px; border-radius:8px; margin-right:6px;}
.mode-opd{background:rgba(14,128,116,0.12); color:var(--opd);}
.mode-online{background:rgba(91,79,191,0.12); color:var(--radiology);}

.slot-grid{display:flex; flex-wrap:wrap; gap:8px;}
.slot-btn{font-family:var(--font-mono); font-size:13px; padding:8px 14px; border:1px solid var(--line); border-radius:6px; background:var(--paper); cursor:pointer;}
.slot-btn.selected{background:var(--navy); color:#fff; border-color:var(--navy);}

/* video call */
.video-wrap{background:#000; border-radius:var(--radius); overflow:hidden; height:520px;}
.video-wrap iframe{width:100%; height:100%; border:0;}

footer{background:var(--navy-deep); color:rgba(255,255,255,0.75); padding:26px 0;}
.footer-grid{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px; font-size:13px;}

.wa-float{position:fixed; bottom:20px; right:20px; width:54px; height:54px; border-radius:50%; background:#25D366; display:flex; align-items:center; justify-content:center; color:#fff; box-shadow:0 4px 14px rgba(0,0,0,0.25); text-decoration:none; z-index:40;}
.wa-float svg{width:26px; height:26px;}

/* auth */
.auth-body{display:flex; align-items:center; justify-content:center; min-height:100vh; background:var(--bg);}
.auth-card{background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:32px 30px; width:100%; max-width:340px; text-align:center; display:flex; flex-direction:column; gap:12px;}
.auth-error{color:var(--blood); font-size:13px;}

/* admin */
.admin-header{background:var(--navy-deep); color:#fff; padding:16px 0;}
.admin-header .container{display:flex; justify-content:space-between; align-items:center;}
.tab-nav{display:flex; gap:6px; margin-bottom:22px; flex-wrap:wrap;}
.tab-nav a{font-family:var(--font-mono); font-size:12.5px; padding:8px 14px; border-radius:14px; text-decoration:none; color:var(--navy); border:1px solid var(--line); background:var(--paper);}
.tab-nav a.active{background:var(--navy); color:#fff; border-color:var(--navy);}
.admin-card{background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:22px 24px; margin-bottom:20px;}
.admin-card h3{font-size:17px; margin-bottom:16px;}
.admin-table{width:100%; border-collapse:collapse; font-size:13.5px;}
.admin-table th{text-align:left; font-family:var(--font-mono); font-size:10.5px; text-transform:uppercase; color:var(--ink-soft); border-bottom:1px solid var(--line); padding:8px 10px;}
.admin-table td{padding:9px 10px; border-bottom:1px solid var(--line); vertical-align:top;}
.admin-table tr:hover td{background:var(--bg);}
.row-actions{display:flex; gap:6px; flex-wrap:wrap;}
.status-pill{font-family:var(--font-mono); font-size:10.5px; padding:2px 9px; border-radius:8px; text-transform:uppercase;}
.status-pending{background:rgba(201,151,31,0.15); color:var(--urine);}
.status-paid, .status-completed, .status-report_ready{background:rgba(14,128,116,0.15); color:var(--opd);}
.status-booked, .status-sample_collected{background:rgba(91,79,191,0.12); color:var(--radiology);}
.status-cancelled, .status-failed{background:rgba(192,57,43,0.12); color:var(--blood);}