/* ================================================================
   GuestLocator.app — shared.css
   Shared across every staff screen (hostess, waitress, kitchen, bar,
   cashier, manager). Bump ?v=N on this file AND on shared.js whenever
   either changes (SO-36) — both tags on every screen that includes it.
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
:root {
  --bg:         #0f0f0f;
  --surface:    #1a1a1a;
  --surface2:   #242424;
  --border:     #2e2e2e;
  --text:       #f0f0f0;
  --text2:      #888;
  --accent:     #e85d2a;

  /* Table status */
  --available:  #16a34a;
  --reserved:   #ca8a04;
  --seated:     #2563eb;
  --ordering:   #d97706;
  --eating:     #7c3aed;
  --check_req:  #dc2626;
  --check_del:  #ea580c;
  --bussing:    #4b5563;

  /* KDS item status */
  --pending:        #6b7280;
  --sent:           #d97706;
  --preparing:      #ca8a04;
  --ready:          #16a34a;
  --picked_up:      #2563eb;
  --delivered:      #4b5563;
  --voided:         #dc2626;

  /* Alert severity */
  --info:    #2563eb;
  --warning: #d97706;
  --urgent:  #dc2626;

  --radius:     12px;
  --sheet-h:    340px;
}
html, body { height: 100%; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif; overflow: hidden; }

/* ── Screens ─────────────────────────────────────────── */
.screen { position: fixed; inset: 0; display: none; flex-direction: column; }
.screen.active { display: flex; }

/* ── Login ───────────────────────────────────────────── */
#screen-login, #screen-staff-pin {
  justify-content: center; align-items: center;
  background: linear-gradient(160deg, #1a0a04, #0f0f0f 60%);
}
.login-box { width: min(380px, 92vw); }
.logo { text-align: center; margin-bottom: 40px; }
.logo-mark { font-size: 48px; margin-bottom: 8px; }
.logo h1 { font-size: 22px; font-weight: 700; letter-spacing: -0.5px; }
.logo p  { color: var(--text2); font-size: 13px; margin-top: 4px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 6px; }
.field input {
  width: 100%; padding: 14px 16px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); font-size: 16px; outline: none;
}
.field input:focus { border-color: var(--accent); }
.btn-primary {
  width: 100%; padding: 15px; background: var(--accent); color: #fff;
  border: none; border-radius: var(--radius); font-size: 16px;
  font-weight: 600; cursor: pointer; transition: opacity .15s;
}
.btn-primary:active { opacity: .8; }
.btn-primary:disabled { opacity: .4; cursor: default; }
.login-msg { margin-top: 20px; padding: 14px 16px; background: var(--surface);
  border-radius: var(--radius); font-size: 14px; line-height: 1.5;
  border: 1px solid var(--border); display: none; }
.login-msg a { color: var(--accent); word-break: break-all; }
.login-msg.visible { display: block; }

/* ── App shell ───────────────────────────────────────── */
#screen-app { background: var(--bg); }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px 10px; background: var(--surface);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.topbar-left h2 { font-size: 16px; font-weight: 700; }
.topbar-left p  { font-size: 12px; color: var(--text2); margin-top: 2px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--available); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }
.btn-icon { background: none; border: none; color: var(--text2); font-size: 20px; cursor: pointer; padding: 4px; position: relative; }

/* ── Stats bar ───────────────────────────────────────── */
.stats-bar {
  display: flex; gap: 0; border-bottom: 1px solid var(--border); flex-shrink: 0;
  background: var(--surface);
}
.stat { flex: 1; text-align: center; padding: 8px 4px; border-right: 1px solid var(--border); }
.stat:last-child { border-right: none; }
.stat-val { font-size: 20px; font-weight: 700; }
.stat-lbl { font-size: 10px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.4px; margin-top: 1px; }

/* ── Card grid (tables, orders, KDS tickets — same visual shape) ── */
.card-grid {
  flex: 1; overflow-y: auto; padding: 12px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px; align-content: start;
  -webkit-overflow-scrolling: touch;
}
.card {
  background: var(--surface); border-radius: var(--radius);
  border: 2px solid transparent; padding: 12px 12px 10px;
  cursor: pointer; transition: transform .1s, border-color .15s;
  position: relative; user-select: none;
}
.card:active { transform: scale(.97); }
.card.available  { border-color: var(--available); }
.card.reserved   { border-color: var(--reserved); }
.card.seated     { border-color: var(--seated); }
.card.ordering   { border-color: var(--ordering); }
.card.eating     { border-color: var(--eating); }
.card.check_requested { border-color: var(--check_req); }
.card.check_delivered { border-color: var(--check_del); }
.card.bussing    { border-color: var(--bussing); }
.card.pending    { border-color: var(--pending); }
.card.sent_to_kitchen, .card.sent_to_bar { border-color: var(--sent); }
.card.preparing  { border-color: var(--preparing); }
.card.ready      { border-color: var(--ready); }
.card.picked_up  { border-color: var(--picked_up); }
.card.delivered  { border-color: var(--delivered); }
.card.voided     { border-color: var(--voided); opacity: .5; }

.c-label  { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.c-status { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: 8px; }
.c-dot    { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.available  .c-dot, .available  .tc-dot { background: var(--available); }
.reserved   .c-dot, .reserved   .tc-dot { background: var(--reserved); }
.seated     .c-dot, .seated     .tc-dot { background: var(--seated); }
.ordering   .c-dot, .ordering   .tc-dot { background: var(--ordering); }
.eating     .c-dot, .eating     .tc-dot { background: var(--eating); }
.check_requested .c-dot, .check_requested .tc-dot { background: var(--check_req); }
.check_delivered .c-dot, .check_delivered .tc-dot { background: var(--check_del); }
.bussing    .c-dot, .bussing    .tc-dot { background: var(--bussing); }
.pending    .c-dot { background: var(--pending); }
.sent_to_kitchen .c-dot, .sent_to_bar .c-dot { background: var(--sent); }
.preparing  .c-dot { background: var(--preparing); }
.ready      .c-dot { background: var(--ready); }
.picked_up  .c-dot { background: var(--picked_up); }
.delivered  .c-dot { background: var(--delivered); }
.voided     .c-dot { background: var(--voided); }

.c-sub    { font-size: 12px; color: var(--text2); }
.c-sub2   { font-size: 11px; color: var(--text2); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.c-badge  { position: absolute; top: 8px; right: 8px; background: var(--check_req); color: #fff; font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 20px; }

/* ── Bottom sheet ────────────────────────────────────── */
.sheet-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  opacity: 0; pointer-events: none; transition: opacity .25s; z-index: 100;
}
.sheet-overlay.open { opacity: 1; pointer-events: auto; }
.sheet {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--surface); border-radius: 20px 20px 0 0;
  padding: 0 0 env(safe-area-inset-bottom, 20px);
  transform: translateY(100%); transition: transform .28s cubic-bezier(.32,.72,0,1);
  z-index: 101; max-height: 80vh; overflow-y: auto;
}
.sheet.open { transform: translateY(0); }
.sheet-handle { width: 40px; height: 4px; background: var(--border); border-radius: 2px; margin: 12px auto 0; }
.sheet-title { text-align: center; padding: 16px 20px 4px; font-size: 18px; font-weight: 700; }
.sheet-sub   { text-align: center; font-size: 13px; color: var(--text2); padding: 0 20px 16px; }
.sheet-divider { height: 1px; background: var(--border); margin: 0 20px; }
.sheet-actions { padding: 16px 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.action-btn {
  padding: 14px 10px; background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 13px; font-weight: 600;
  cursor: pointer; text-align: center; transition: background .15s;
}
.action-btn:active { background: var(--border); }
.action-btn.danger { color: var(--check_req); border-color: var(--check_req); }
.action-btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.action-btn:disabled { opacity: .35; cursor: default; }

/* ── Inline form (seat guest, add item, etc.) ─────────── */
.inline-form { padding: 0 20px 20px; display: none; flex-direction: column; gap: 12px; }
.inline-form.visible { display: flex; }
.if-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.if-full { grid-column: 1 / -1; }
.if-field label { font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: 4px; display: block; }
.if-field input, .if-field select, .if-field textarea {
  width: 100%; padding: 11px 12px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: 15px; outline: none; font-family: inherit;
}
.if-field input:focus, .if-field select:focus, .if-field textarea:focus { border-color: var(--accent); }

/* ── PIN-style centered input (approval modal) ────────── */
.pin-input {
  width: 100%; padding: 14px 16px; background: var(--surface2);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); font-size: 18px; text-align: center; letter-spacing: 6px;
  outline: none; font-family: inherit;
}
.pin-input:focus { border-color: var(--accent); }

/* ── Alert widget ──────────────────────────────────────── */
.alert-fab {
  position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 150; width: 52px; height: 52px; border-radius: 50%;
  background: var(--surface2); border: 2px solid var(--border); color: var(--text);
  font-size: 22px; display: flex; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: 0 4px 16px rgba(0,0,0,.4);
}
.alert-fab-count {
  position: absolute; top: -4px; right: -4px; background: var(--urgent); color: #fff;
  font-size: 11px; font-weight: 700; border-radius: 20px; padding: 1px 6px; display: none;
  min-width: 18px; text-align: center;
}
.alert-row {
  display: flex; align-items: flex-start; gap: 10px; padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.alert-row:last-child { border-bottom: none; }
.alert-sev { width: 8px; height: 8px; border-radius: 50%; margin-top: 5px; flex-shrink: 0; }
.alert-sev.info { background: var(--info); }
.alert-sev.warning { background: var(--warning); }
.alert-sev.urgent { background: var(--urgent); }
.alert-body { flex: 1; min-width: 0; }
.alert-cat { font-size: 13px; font-weight: 600; }
.alert-meta { font-size: 11px; color: var(--text2); margin-top: 2px; }
.alert-reason { font-size: 12px; color: var(--text2); margin-top: 4px; }
.alert-actions { display: flex; gap: 6px; margin-top: 8px; }
.alert-actions button {
  padding: 6px 10px; font-size: 11px; font-weight: 600; border-radius: 8px;
  background: var(--surface2); border: 1px solid var(--border); color: var(--text); cursor: pointer;
}
.category-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 0 20px 16px; }
.category-btn {
  padding: 12px 10px; background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 12px; font-weight: 600;
  cursor: pointer; text-align: center;
}
.category-btn.selected { background: var(--accent); border-color: var(--accent); color: #fff; }
.empty-note { padding: 24px 20px; text-align: center; color: var(--text2); font-size: 13px; }

/* ── Toast ───────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 30px; padding: 10px 20px; font-size: 14px;
  opacity: 0; transition: all .3s; z-index: 200; white-space: nowrap; pointer-events: none;
  max-width: 90vw; overflow: hidden; text-overflow: ellipsis;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Loading ─────────────────────────────────────────── */
#screen-loading { justify-content: center; align-items: center; }
.spinner { width: 40px; height: 40px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }