/* ===== Design tokens =====
   Palette: clinical but warm — deep teal (trust), warm parchment bg,
   muted amber accent for actions (not the generic terracotta/near-black defaults).
*/
:root{
  --bg: #EAF4FB;
  --surface: #FFFFFF;
  --ink: #1E2624;
  --ink-soft: #5B6764;
  --teal: #14453F;
  --teal-soft: #1F6459;
  --amber: #C08A2E;
  --amber-soft: #F1E2C4;
  --sky: #7EC8ED;
  --sky-soft: #D6ECFB;
  --sky-deep: #0B5583;
  --blue: #2E6DA4;
  --line: #D3E4F0;
  --danger: #A3423A;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(20,69,63,0.08);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", "Noto Sans Bengali", system-ui, sans-serif;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.5;
}
h1,h2,h3,.serif{font-family:var(--serif);}
a{color:inherit;}

.container{max-width:960px;margin:0 auto;padding:24px 20px 80px;}
.narrow{max-width:480px;}

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:24px;
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;
  border-radius:10px;
  border:1px solid transparent;
  font-family:var(--sans);
  font-weight:600;
  font-size:15px;
  cursor:pointer;
  transition:transform .12s ease, box-shadow .12s ease;
}
.btn:active{transform:scale(0.98);}
.btn-primary{background:var(--teal);color:#fff;}
.btn-primary:hover{background:var(--teal-soft);}
.btn-accent{background:var(--amber);color:#1E2624;}
.btn-accent:hover{filter:brightness(1.05);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--teal);}
.btn-danger{background:var(--danger);color:#fff;}
.btn:disabled{opacity:.5;cursor:not-allowed;}
.btn-block{width:100%;}

label{display:block;font-size:13px;font-weight:600;color:var(--ink-soft);margin:14px 0 6px;}
input,select,textarea{
  width:100%;
  padding:11px 13px;
  border:1px solid var(--line);
  border-radius:10px;
  font-family:var(--sans);
  font-size:15px;
  background:#fff;
  color:var(--ink);
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--teal-soft);outline-offset:1px;}
textarea{resize:vertical;min-height:80px;}

.tag{
  display:inline-block;
  background:var(--sky-soft);
  color:var(--sky-deep);
  border-radius:999px;
  padding:4px 12px;
  font-size:13px;
  font-weight:600;
}

.badge-pending{background:#F1E2C4;color:#7A5A15;}
.badge-confirmed{background:#D8ECE6;color:#14453F;}
.badge-rejected{background:#F3D9D6;color:#A3423A;}
.badge{border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700;display:inline-block;}

.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line);background:var(--surface);
}
.topbar .brand{font-family:var(--serif);font-size:20px;font-weight:600;color:var(--teal);}

.muted{color:var(--ink-soft);font-size:14px;}
.center{text-align:center;}
.flex{display:flex;gap:12px;}
.flex-between{display:flex;align-items:center;justify-content:space-between;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media (max-width:560px){.grid-2{grid-template-columns:1fr;}}

.slot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px;margin-top:8px;}
.slot-btn{
  padding:9px 6px;text-align:center;border-radius:8px;border:1px solid var(--line);
  background:#fff;font-size:13px;font-weight:600;cursor:pointer;
}
.slot-btn.selected{background:var(--teal);color:#fff;border-color:var(--teal);}
.slot-btn.taken{background:var(--blue);color:#fff;border-color:var(--blue);cursor:not-allowed;font-weight:700;}
.slot-btn.pending{background:var(--sky-soft);color:var(--sky-deep);border-color:var(--sky);cursor:not-allowed;font-weight:700;}
.slot-legend{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px;font-size:12px;color:var(--ink-soft);}
.slot-legend span{display:inline-flex;align-items:center;gap:6px;}
.slot-legend i{width:12px;height:12px;border-radius:3px;display:inline-block;}
.slot-legend .lg-open{border:1px solid var(--line);background:#fff;}
.slot-legend .lg-pending{background:var(--sky-soft);border:1px solid var(--sky);}
.slot-legend .lg-taken{background:var(--blue);border:1px solid var(--blue);}

.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:var(--teal);color:#fff;padding:12px 20px;border-radius:10px;
  font-size:14px;box-shadow:var(--shadow);z-index:50;
}

.empty-state{text-align:center;padding:40px 20px;color:var(--ink-soft);}

table{width:100%;border-collapse:collapse;}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);font-size:14px;}
th{color:var(--ink-soft);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em;}

/* ===== Mobile-friendly layout ===== */

/* horizontal-scroll wrapper so wide tables never break page layout on small screens */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.table-scroll table{min-width:520px;}

/* tabs row scrolls horizontally instead of wrapping awkwardly */
.tabs-row{display:flex;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap;scrollbar-width:none;}
.tabs-row::-webkit-scrollbar{display:none;}
.tabs-row .tabBtn{flex:0 0 auto;}

.time-input{width:135px;}

@media (max-width:640px){
  .container{padding:16px 14px 60px;}
  .card{padding:18px;}

  /* iOS zooms in on any input under 16px on focus — keep all form fields at 16px */
  input,select,textarea{font-size:16px;}

  /* bigger, thumb-friendly tap targets */
  .btn{padding:13px 18px;font-size:15px;}
  table .btn{padding:10px 12px;font-size:13px;}

  .topbar{padding:12px 14px;flex-wrap:wrap;gap:10px;}
  .topbar .brand{font-size:17px;}
  .topbar .flex{width:100%;justify-content:flex-end;flex-wrap:wrap;gap:8px;}

  h1{font-size:22px !important;}
  h2{font-size:19px !important;}
  h3{font-size:17px !important;}

  /* stacked action buttons in cards read better full-width on narrow screens */
  .flex.stack-mobile{flex-direction:column;}
  .flex.stack-mobile > *{width:100%;}

  /* weekday schedule rows: stack the day label above the time pickers, and
     give the native time input (which needs extra width to show "10:00 PM"
     without clipping on Android/Chrome) enough room instead of a fixed 120px */
  .weekday-row{flex-direction:column;align-items:flex-start !important;gap:8px;}
  .weekday-row > div.flex{width:100%;flex-wrap:wrap;}
  .time-input{flex:1;min-width:118px;width:auto;}
}