:root {
  --gold: #b8860b;
  --gold-dark: #8a6508;
  --bg: #f7f5f2;
  --card: #ffffff;
  --text: #1f1b16;
  --muted: #767066;
  --danger: #b3261e;
  --border: #e4ded4;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Tahoma, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  direction: rtl;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 20px 16px 40px;
}

@media (min-width: 700px) {
  .app { max-width: 640px; padding-top: 32px; }
}

@media (min-width: 1000px) {
  .app { max-width: 760px; }
}

.hidden { display: none !important; }

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 0 0 16px; }
p.muted { color: var(--muted); margin: 0 0 20px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.btn {
  display: block;
  width: 100%;
  padding: 18px 16px;
  font-size: 17px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn-primary { background: var(--gold); color: #fff; }
.btn-primary:active { background: var(--gold-dark); }
.btn-secondary { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: #fff; color: var(--danger); border: 1px solid var(--danger); }
.btn-link { background: none; border: none; color: var(--muted); font-size: 15px; padding: 8px; }

.home-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

@media (min-width: 600px) {
  .home-grid { grid-template-columns: 1fr 1fr; }
}

.home-btn {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
}

.home-btn .icon { font-size: 30px; display: block; margin-bottom: 8px; }

.pin-display {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 24px 0;
}

.pin-dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  background: transparent;
}
.pin-dot.filled { background: var(--gold); }

.pin-pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 300px;
  margin: 0 auto;
}

.pin-key {
  padding: 18px 0;
  font-size: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  cursor: pointer;
}
.pin-key:active { background: var(--bg); }

.error-msg { color: var(--danger); text-align: center; min-height: 20px; margin-bottom: 8px; }

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.chip {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 15px;
  cursor: pointer;
}
.chip.selected { background: var(--gold); color: #fff; border-color: var(--gold); }
.chip.add-new { border-style: dashed; color: var(--muted); }

.section-label { font-weight: 600; margin: 18px 0 8px; }

.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 12px 0 20px;
}
.stepper button {
  width: 52px; height: 52px;
  font-size: 26px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  cursor: pointer;
}
.stepper .qty { font-size: 28px; font-weight: 700; min-width: 50px; text-align: center; }

.line-list { margin: 16px 0; }
.line-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 8px;
  font-size: 15px;
}
.line-item button { background: none; border: none; color: var(--danger); font-size: 18px; cursor: pointer; }

table.stock-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
table.stock-table th, table.stock-table td {
  text-align: right;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
}
table.stock-table th { color: var(--muted); font-weight: 600; font-size: 14px; }

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

.stack { display: flex; flex-direction: column; gap: 10px; }

input[type=text] {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 12px;
  direction: rtl;
}