:root {
  --primary: #06B6D4;
  --bg: #FFFFFF;
  --text: #0F172A;
  --muted: #4B5563;
  --card: #FFFFFF;
  --border: #E5E7EB;
  --chip: #F1F5F9;
  --success: #22C55E;
  --warn: #EAB308;
  --danger: #EF4444;
}
:root.dark {
  --bg: #0F1114;
  --text: #EDEFF2;
  --muted: #B9C2CF;
  --card: #171A1E;
  --border: #30363D;
  --chip: #1F2328;
  --primary: #06B6D4;
  --success: #2BA84A;
  --warn: #F6C445;
  --danger: #F87171;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body {
  margin: 0; min-height: 100%;
  font-family: Vazirmatn, IRANSansX, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  direction: rtl;
}
.container { max-width: 520px; margin: 0 auto; padding: 16px; }
.header { display:flex; align-items:center; justify-content:space-between; gap:8px; flex-wrap:wrap; margin-bottom:12px; }
.h1 { font-size:22px; font-weight:700; }
.link { color: var(--primary); text-decoration: none; font-size: 14px;  display:inline-block; }
.small { font-size:12px; color: var(--muted); }

.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  margin-bottom: 12px;
  background: var(--card);
}
.row { display:flex; align-items:center; justify-content:space-between; gap:8px; }
.list { display:grid; gap:8px; }

.input, select, input[type="time"], input[type="text"] {
  width: 100%; padding: 10px 12px; border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
}
label { font-size: 13px; color: var(--muted); display:block; margin-bottom:6px; }
.field { margin-bottom:10px; }
.badge { display:inline-block; padding: 4px 10px; border-radius: 999px; border:1px solid var(--border); background: var(--chip); font-size:12px; color: var(--text); }

.btn { background: var(--primary); color: #fff; border: none; border-radius: 12px; padding: 10px 14px; cursor: pointer; font-weight: 600; }
.btn.outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.ghost { background: transparent; color: var(--primary); border: none; }

.controls { display:flex; gap:6px; flex-wrap: wrap; }
.segment { padding: 8px 10px; border: 1px solid var(--border); border-radius: 12px; background: transparent; cursor: pointer; color: var(--text); }
.segment.active-success { background: var(--success); color: #0A0A0A; border-color: var(--success); }
.segment.active-warn    { background: var(--warn); color: #0A0A0A; border-color: var(--warn); }
.segment.active-danger  { background: var(--danger); color: #0A0A0A; border-color: var(--danger); }

.divider { height:1px; background: var(--border); margin: 12px 0; }

.toast { position: fixed; bottom: 16px; left: 16px; right: 16px; background: #111827; color:#fff; padding: 10px 14px; border-radius: 12px; opacity: 0; transform: translateY(10px); transition: .25s; z-index: 10; }
:root.dark .toast { background: #111827; }
.toast.show { opacity: 1; transform: translateY(0); }

.day-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }

.modal { position:fixed; inset:0; background: rgba(0,0,0,0.4); display:none; align-items:center; justify-content:center; z-index:20; }
.modal.open { display:flex; }
.modal-card { background: var(--card); color: var(--text); border:1px solid var(--border); border-radius:16px; padding:16px; width:90%; max-width:420px; }
.modal-row { display:flex; gap:8px; }


/* Improve placeholder contrast in dark mode */
input::placeholder, textarea::placeholder { color: var(--muted); opacity: 1; }


/* Space header nav links so they don't stick together */
.header .nav { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }


/* header link spacing */
.header .link { margin-inline-start: 8px; }
.header .nav { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }


/* A2HS banner */
.a2hs-banner { position: fixed; bottom: 16px; left: 16px; right: 16px; background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 16px; padding: 12px; display: flex; gap: 8px; align-items: center; z-index: 40; }
.a2hs-banner .a2hs-text { flex: 1; font-size: 14px; }
.a2hs-banner .ios-share { border: 1px dashed var(--border); padding: 0 6px; border-radius: 8px; }
:root.dark .a2hs-banner { background: #171A1E; }