/* ===========================================================
   JustBook-It — shared styles
   Mobile-only prototype. Max width 440px, centered.
=========================================================== */

:root {
  --ink: #16241F;
  --ink-soft: #5B6B63;
  --white: #FFFFFF;
  --mist: #F2F6F4;
  --mist-border: #E1E9E4;
  --green: #0E7C4A;
  --green-dark: #0B6539;
  --green-tint: #E5F4EC;
  --blue: #1E73E8;
  --blue-dark: #1A5FC0;
  --blue-tint: #E8F0FE;
  --amber: #D97706;
  --amber-tint: #FDF1DF;
  --red: #C1443C;
  --red-tint: #FBE9E7;
  --radius-s: 8px;
  --radius-m: 12px;
  --radius-l: 18px;
  --shadow-card: 0 1px 2px rgba(22, 36, 31, 0.06), 0 4px 14px rgba(22, 36, 31, 0.05);
  --font-display: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  width: 100%;
  overflow-x: hidden;
}

body {
  display: flex;
  justify-content: center;
}

.app {
  width: 100%;
  max-width: 440px;
  min-height: 100vh;
  background: var(--white);
  display: flex;
  flex-direction: column;
  position: relative;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--white);
  border-bottom: 1px solid var(--mist-border);
  padding: 14px 20px 12px;
}

.topbar-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.back-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--mist-border);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  color: var(--ink);
}
.back-btn:active { background: var(--mist); }

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.brand-dot { color: var(--green); }

.topbar-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  line-height: 1.2;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar-sub {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 2px;
}

.role-pill {
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--mist);
  color: var(--ink-soft);
  flex-shrink: 0;
}

/* ---------- Main content ---------- */
.main {
  flex: 1;
  padding: 18px 20px 100px;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 22px 0 10px;
}
.section-label:first-child { margin-top: 0; }

/* ---------- Home page ---------- */
.hero-line {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 4px 0 2px;
}
.hero-sub {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.card-row {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 2px 2px 8px;
  margin: 0 -2px;
  scrollbar-width: none;
}
.card-row::-webkit-scrollbar { display: none; }

.biz-card {
  flex: 0 0 auto;
  width: 150px;
  background: var(--mist);
  border: 1px solid var(--mist-border);
  border-radius: var(--radius-m);
  padding: 14px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}
.biz-card:active { transform: scale(0.97); background: var(--green-tint); }

.biz-card-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  margin-bottom: 10px;
  border: 1px solid var(--mist-border);
}

.biz-card-name {
  font-weight: 700;
  font-size: 13.5px;
  line-height: 1.3;
  margin-bottom: 3px;
}
.biz-card-meta {
  font-size: 11.5px;
  color: var(--ink-soft);
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 5px;
  position: relative;
  top: -1px;
}
.status-dot.open { background: var(--green); }
.status-dot.closed { background: var(--ink-soft); }

/* Search */
.search-wrap {
  position: relative;
  margin-top: 4px;
}
.search-input {
  width: 100%;
  padding: 13px 16px 13px 42px;
  border-radius: var(--radius-m);
  border: 1.5px solid var(--mist-border);
  background: var(--mist);
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.search-input::placeholder { color: var(--ink-soft); }
.search-input:focus {
  border-color: var(--green);
  background: var(--white);
}
.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-soft);
  pointer-events: none;
}

.search-hint {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 8px;
}

.biz-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 50vh;
  overflow-y: auto;
}

.biz-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--mist-border);
  border-radius: var(--radius-m);
  cursor: pointer;
  background: var(--white);
  transition: background 0.12s ease;
}
.biz-list-item:active { background: var(--mist); }

.biz-list-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--mist);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.biz-list-text { flex: 1; min-width: 0; }
.biz-list-name { font-weight: 700; font-size: 14px; margin-bottom: 2px; }
.biz-list-meta { font-size: 12px; color: var(--ink-soft); }

.biz-list-chevron { color: var(--ink-soft); flex-shrink: 0; }

.empty-state {
  text-align: center;
  padding: 28px 10px;
  color: var(--ink-soft);
  font-size: 13.5px;
}

/* ---------- Register link card ---------- */
.register-banner {
  margin-top: 26px;
  background: var(--ink);
  border-radius: var(--radius-l);
  padding: 18px;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
}
.register-banner-text { flex: 1; }
.register-banner-title { font-weight: 700; font-size: 14.5px; margin-bottom: 3px; }
.register-banner-sub { font-size: 12px; color: #B9C7BF; }
.register-banner-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ---------- Hours bubble + tabs ---------- */
.hours-bubble {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--mist);
  border: 1px solid var(--mist-border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  margin-top: 10px;
}
.hours-bubble.is-open { background: var(--green-tint); border-color: #C7E6D5; color: var(--green-dark); }
.hours-bubble.is-closed { background: var(--mist); color: var(--ink-soft); }

.day-tabs {
  display: flex;
  gap: 8px;
  margin: 18px 0 4px;
}
.day-tab {
  flex: 1;
  padding: 11px 0;
  border-radius: var(--radius-m);
  border: 1.5px solid var(--mist-border);
  background: var(--white);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink-soft);
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
}
.day-tab.active {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

/* ---------- Slot grid ---------- */
.slot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.slot {
  position: relative;
  border-radius: var(--radius-m);
  border: 1.5px solid var(--mist-border);
  background: var(--white);
  padding: 14px 10px;
  text-align: center;
  cursor: pointer;
  transition: all 0.12s ease;
}
.slot-time { font-weight: 700; font-size: 13.5px; }
.slot-label { font-size: 10.5px; color: var(--ink-soft); margin-top: 3px; text-transform: uppercase; letter-spacing: 0.03em; }

.slot:active { transform: scale(0.97); }

/* customer-side states */
.slot.available:hover { border-color: var(--green); }
.slot.selected {
  background: var(--green);
  border-color: var(--green);
}
.slot.selected .slot-time { color: var(--white); }
.slot.selected .slot-label { color: var(--green-tint); }

.slot.taken {
  background: var(--mist);
  border-color: var(--mist-border);
  cursor: not-allowed;
  opacity: 0.7;
}
.slot.taken .slot-time { color: var(--ink-soft); text-decoration: line-through; }

.slot.blocked {
  background: repeating-linear-gradient(135deg, #F4F4F4, #F4F4F4 6px, #ECECEC 6px, #ECECEC 12px);
  border-color: var(--mist-border);
  cursor: not-allowed;
}
.slot.blocked .slot-time { color: #9AA39D; }

.slot.late {
  background: var(--amber-tint);
  border-color: #F0CE9E;
}
.slot.late .slot-time { color: #8A5210; }

.slot.past {
  opacity: 0.4;
  cursor: not-allowed;
}

/* owner-side states */
.slot.owner-open { background: var(--white); border-color: var(--mist-border); }
.slot.owner-booked {
  background: var(--blue-tint);
  border-color: #BBD4FB;
}
.slot.owner-booked .slot-time { color: var(--blue-dark); }
.slot.owner-marked {
  outline: 2px solid var(--green);
  outline-offset: -2px;
}

/* Legend */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--mist-border);
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--ink-soft);
}
.legend-swatch {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  border: 1px solid var(--mist-border);
  flex-shrink: 0;
}
.legend-swatch.lg-open { background: var(--white); }
.legend-swatch.lg-selected { background: var(--green); border-color: var(--green); }
.legend-swatch.lg-taken { background: var(--mist); }
.legend-swatch.lg-blocked { background: repeating-linear-gradient(135deg, #F4F4F4, #F4F4F4 4px, #ECECEC 4px, #ECECEC 8px); }
.legend-swatch.lg-late { background: var(--amber-tint); border-color: #F0CE9E; }
.legend-swatch.lg-booked { background: var(--blue-tint); border-color: #BBD4FB; }

/* ---------- Reminder chips ---------- */
.reminder-block {
  margin-top: 22px;
}
.reminder-title {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 3px;
}
.reminder-sub {
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}
.chip-row {
  display: flex;
  gap: 8px;
}
.chip {
  flex: 1;
  padding: 10px 0;
  text-align: center;
  border-radius: var(--radius-s);
  border: 1.5px solid var(--mist-border);
  background: var(--white);
  font-weight: 700;
  font-size: 13px;
  color: var(--ink-soft);
  cursor: pointer;
}
.chip.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

/* ---------- Sticky bottom bar ---------- */
.bottom-bar {
  position: sticky;
  bottom: 0;
  width: 100%;
  max-width: 440px;
  background: var(--white);
  border-top: 1px solid var(--mist-border);
  padding: 14px 20px calc(14px + env(safe-area-inset-bottom));
  margin-top: auto;
}

.btn {
  width: 100%;
  padding: 15px;
  border-radius: var(--radius-m);
  border: none;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: var(--green);
  color: var(--white);
}
.btn-primary:disabled {
  background: var(--mist);
  color: var(--ink-soft);
  cursor: not-allowed;
}
.btn-secondary {
  background: var(--blue);
  color: var(--white);
}
.btn-amber {
  background: var(--amber);
  color: var(--white);
}
.btn-outline {
  background: var(--white);
  border: 1.5px solid var(--mist-border);
  color: var(--ink);
}
.btn-ghost {
  background: var(--mist);
  color: var(--ink);
}
.btn-row { display: flex; gap: 10px; }
.btn-row .btn { flex: 1; }

.btn-small {
  padding: 10px;
  font-size: 13px;
  border-radius: var(--radius-s);
}

/* ---------- Booking summary card ---------- */
.summary-card {
  background: var(--mist);
  border: 1px solid var(--mist-border);
  border-radius: var(--radius-m);
  padding: 14px;
  margin-top: 16px;
  font-size: 13px;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
}
.summary-row span:first-child { color: var(--ink-soft); }
.summary-row span:last-child { font-weight: 700; }

.notice-box {
  display: flex;
  gap: 10px;
  background: var(--blue-tint);
  border: 1px solid #BBD4FB;
  border-radius: var(--radius-m);
  padding: 12px 14px;
  margin-top: 16px;
  font-size: 12.5px;
  color: #1A4D9E;
  line-height: 1.45;
}
.notice-box.amber {
  background: var(--amber-tint);
  border-color: #F0CE9E;
  color: #8A5210;
}

/* ---------- Modal / sheet ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(22, 36, 31, 0.45);
  z-index: 100;
  display: none;
  align-items: flex-end;
  justify-content: center;
}
.overlay.show { display: flex; }

.sheet {
  width: 100%;
  max-width: 440px;
  background: var(--white);
  border-radius: 20px 20px 0 0;
  padding: 22px 22px calc(22px + env(safe-area-inset-bottom));
  animation: sheetUp 0.22s ease;
}
@keyframes sheetUp {
  from { transform: translateY(24px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.sheet-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--green-tint);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.sheet-icon.blue { background: var(--blue-tint); }
.sheet-icon.amber { background: var(--amber-tint); }

.sheet-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 6px;
}
.sheet-text {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin-bottom: 18px;
}
.sheet-code {
  background: var(--mist);
  border-radius: var(--radius-m);
  padding: 14px;
  text-align: center;
  margin-bottom: 18px;
}
.sheet-code-label { font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.sheet-code-value { font-family: var(--font-display); font-weight: 700; font-size: 26px; letter-spacing: 0.06em; color: var(--green-dark); }

/* ---------- Forms (register page) ---------- */
.field { margin-bottom: 16px; }
.field-label {
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 6px;
  display: block;
}
.field input, .field select {
  width: 100%;
  padding: 13px 14px;
  border-radius: var(--radius-m);
  border: 1.5px solid var(--mist-border);
  background: var(--mist);
  font-size: 14.5px;
  color: var(--ink);
  outline: none;
  font-family: inherit;
}
.field input:focus, .field select:focus {
  border-color: var(--green);
  background: var(--white);
}
.field-row { display: flex; gap: 10px; }
.field-row .field { flex: 1; }

.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--ink);
  color: var(--white);
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 200;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* nav footer tabs (lightweight, for prototype navigation) */
.proto-nav {
  position: sticky;
  bottom: 0;
  display: flex;
  border-top: 1px solid var(--mist-border);
  background: var(--white);
}
.proto-nav a {
  flex: 1;
  text-align: center;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--ink-soft);
  padding: 10px 0 calc(8px + env(safe-area-inset-bottom));
}
.proto-nav a.active { color: var(--green); }

::-webkit-scrollbar { width: 0; height: 0; }