:root {
  --line: #d8e1ee;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #14532d;
  --accent-soft: #dcfce7;
  --danger: #dc2626;
  --warning: #f59e0b;
  --free: #16a34a;
  --shadow: 0 18px 42px rgba(15, 23, 42, 0.10);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, #effaf1, transparent 30%), linear-gradient(145deg, #ecf2ff, #f8fafc 40%, #f7fbf5);
}
button, input { font: inherit; }
.hidden { display: none !important; }
.app-shell { min-height: 100vh; padding: 22px; display: grid; gap: 20px; }
.topbar, .panel-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.topbar h1, .topbar p, .panel-header h2, .panel-header p { margin: 0; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 12px; font-weight: 700; color: var(--muted); }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(20, 83, 45, 0.10);
  color: var(--accent);
  font-weight: 700;
}
.topbar-actions { display: flex; gap: 12px; }
.login-card, .panel-card, .modal-card {
  background: rgba(255, 255, 255, 0.94);
  border-radius: 24px;
  border: 1px solid rgba(216, 225, 238, 0.9);
  box-shadow: var(--shadow);
}
.login-card { max-width: 720px; padding: 28px; display: grid; gap: 22px; }
.login-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; align-items: end; }
.login-grid label { display: grid; gap: 8px; }
.login-grid input { padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line); }
.primary-button, .ghost-button, .add-button, .quantity-button, .table-button {
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.primary-button {
  background: linear-gradient(135deg, #15803d, #14532d);
  color: #fff;
  padding: 14px 18px;
  font-weight: 700;
}
.ghost-button { padding: 12px 16px; background: rgba(15, 23, 42, 0.06); color: var(--text); }
.primary-button:hover, .ghost-button:hover, .add-button:hover, .quantity-button:hover, .table-button:hover { transform: translateY(-1px); }
.muted, .error-message, .feedback { margin: 0; }
.muted { color: var(--muted); }
.error-message { color: #b91c1c; font-weight: 600; }
.workspace { display: grid; grid-template-columns: 300px minmax(0, 1fr) 380px; gap: 18px; align-items: start; }
.panel-card { padding: 18px; }
.tables-grid { margin-top: 16px; display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.table-button {
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  min-height: 96px;
  text-align: left;
}
.table-button.is-selected { box-shadow: 0 0 0 2px rgba(20, 83, 45, 0.28); }
.table-button.free { border-left: 6px solid var(--free); }
.table-button.open { border-left: 6px solid var(--danger); }
.table-button.waiting { border-left: 6px solid var(--warning); }
.category-bar { margin-top: 14px; display: flex; gap: 10px; overflow-x: auto; padding-bottom: 8px; }
.category-chip {
  white-space: nowrap;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 10px 14px;
  cursor: pointer;
}
.category-chip.is-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.menu-grid { margin-top: 18px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.menu-card { border: 1px solid var(--line); border-radius: 20px; padding: 16px; background: #fff; display: grid; gap: 14px; }
.menu-card h3, .menu-card p { margin: 0; }
.menu-price { font-size: 24px; font-weight: 800; }
.card-footer { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.add-button { background: var(--accent-soft); color: var(--accent); padding: 10px 14px; font-weight: 700; }
.order-items { margin-top: 16px; display: grid; gap: 12px; max-height: 48vh; overflow: auto; }
.order-item { border: 1px solid var(--line); border-radius: 18px; padding: 14px; background: #fff; display: grid; gap: 10px; }
.order-row, .total-row { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.modifier-line { color: var(--muted); padding-left: 10px; border-left: 2px solid rgba(20, 83, 45, 0.18); }
.quantity-controls { display: flex; gap: 8px; }
.quantity-button { padding: 8px 10px; background: rgba(15, 23, 42, 0.06); }
.totals-card { margin-top: 18px; padding: 16px; border-radius: 18px; background: #f8fafc; border: 1px solid var(--line); display: grid; gap: 10px; }
.tax-breakdown { display: grid; gap: 8px; color: var(--muted); }
.grand { padding-top: 10px; border-top: 1px solid var(--line); }
.feedback { margin-top: 10px; font-weight: 700; }
.feedback.success { color: var(--accent); }
.feedback.error { color: var(--danger); }
.modal { position: fixed; inset: 0; background: rgba(15, 23, 42, 0.45); display: grid; place-items: center; padding: 20px; }
.modal-card { width: min(560px, 100%); padding: 24px; display: grid; gap: 18px; }
.modifier-options { display: grid; gap: 10px; }
.modifier-option { display: flex; justify-content: space-between; gap: 12px; align-items: center; border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; }
@media (max-width: 1180px) {
  .workspace { grid-template-columns: 260px minmax(0, 1fr); }
  .order-panel { grid-column: 1 / -1; }
}
@media (max-width: 820px) {
  .app-shell { padding: 16px; }
  .workspace, .login-grid { grid-template-columns: 1fr; }
}