:root {
  --scarlet: #cc0033;
  --scarlet-dark: #a3002a;
  --scarlet-tint: #fbe5ea;
  --black: #000;
  --ink: #1b1b1b;
  --gray-dark: #5f6a72;
  --gray-mid: #d4d7d9;
  --gray-light: #f2f2f2;
  --white: #fff;
  --success: #1e7b4a;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 6px 20px rgba(0, 0, 0, .06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Source Sans 3", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--gray-light);
}

h1, h2 {
  font-family: "Oswald", "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: .02em;
  margin: 0;
}

/* Header */
.topbar {
  background: var(--scarlet);
  color: var(--white);
  border-bottom: 5px solid var(--black);
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 8px;
  background: var(--white);
  color: var(--scarlet);
  font: 700 34px/1 "Oswald", sans-serif;
}
.topbar h1 { font-size: 26px; }
.subtitle { margin: 2px 0 0; opacity: .9; font-size: 14px; }

/* Layout */
.layout {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  align-items: start;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.card h2 { font-size: 20px; }
.assign-card { position: sticky; top: 16px; border-top: 4px solid var(--scarlet); }
.assign-card h2 { margin-bottom: 14px; }

/* Forms */
label { display: block; font-weight: 600; font-size: 14px; margin: 12px 0 6px; }
input[type="text"], input[type="date"], select {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  border: 1px solid var(--gray-mid);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
}
input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--scarlet);
  outline-offset: 1px;
  border-color: var(--scarlet);
}

.btn {
  font: 600 15px "Source Sans 3", sans-serif;
  border-radius: 8px;
  padding: 10px 18px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--scarlet); color: var(--white); }
.btn-primary:hover { background: var(--scarlet-dark); }
.assign-card .btn-primary { width: 100%; margin-top: 18px; font-size: 16px; }
.btn-light { background: var(--white); color: var(--scarlet); }
.btn-light:hover { background: var(--black); color: var(--white); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--gray-mid); }
.btn-ghost:hover { border-color: var(--scarlet); color: var(--scarlet); }

.toast {
  margin-top: 14px;
  font-size: 14px;
  min-height: 1.4em;
  font-weight: 600;
}
.toast.ok { color: var(--success); }
.toast.err { color: var(--scarlet); }

/* Schedule */
.schedule-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.day-nav { display: flex; align-items: center; gap: 12px; }
.eyebrow {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--gray-dark);
  font-weight: 700;
}
#scheduleTitle { font-size: 22px; }
.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--gray-mid);
  background: var(--white);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--ink);
}
.icon-btn:hover { background: var(--scarlet); border-color: var(--scarlet); color: var(--white); }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 18px 0;
}
.stat {
  background: var(--gray-light);
  border-left: 4px solid var(--scarlet);
  border-radius: 8px;
  padding: 12px 14px;
}
.stat span { display: block; font: 600 26px "Oswald", sans-serif; }
.stat small { color: var(--gray-dark); font-weight: 600; }

.slots { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--gray-mid); }
.slot {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px 6px;
  border-bottom: 1px solid var(--gray-mid);
}
.slot:nth-child(even) { background: #fafafa; }
.slot.filled .slot-time { color: var(--scarlet); }
.slot-time { font-weight: 700; font-size: 14px; color: var(--gray-dark); font-variant-numeric: tabular-nums; }
.slot-people { display: flex; flex-wrap: wrap; gap: 6px; }
.open { color: #9aa2a8; font-style: italic; font-size: 14px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--scarlet-tint);
  color: var(--scarlet-dark);
  border: 1px solid #f2b8c6;
  border-radius: 999px;
  padding: 3px 4px 3px 12px;
  font-weight: 600;
  font-size: 14px;
}
.chip button {
  border: 0;
  background: transparent;
  color: inherit;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}
.chip button:hover { background: var(--scarlet); color: var(--white); }

/* Export dialog */
.dialog {
  border: 0;
  border-radius: var(--radius);
  padding: 0;
  width: min(440px, calc(100vw - 32px));
  box-shadow: 0 20px 60px rgba(0, 0, 0, .3);
}
.dialog::backdrop { background: rgba(0, 0, 0, .45); }
.dialog form { padding: 22px; border-top: 6px solid var(--scarlet); }
.dialog h2 { font-size: 20px; margin-bottom: 8px; }
.radio-group { border: 0; padding: 0; margin: 8px 0 0; display: flex; gap: 18px; }
.radio-group label, .check { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.range-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.range-fields[hidden] { display: none; }
.check { margin-top: 16px; }
input[type="radio"], input[type="checkbox"] { accent-color: var(--scarlet); width: 16px; height: 16px; }
.form-error { color: var(--scarlet); font-weight: 600; min-height: 1.2em; margin: 10px 0 0; font-size: 14px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 14px; }

/* Responsive */
@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .assign-card { position: static; }
  .slot { grid-template-columns: 1fr; gap: 6px; }
  .topbar h1 { font-size: 21px; }
  .subtitle { display: none; }
}
@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .brand-mark { width: 42px; height: 42px; font-size: 28px; }
}