* { box-sizing: border-box; }
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --bg: #f4f6f9;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --muted: #64748b;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.hidden { display: none !important; }

/* Login */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: linear-gradient(135deg, #2563eb, #1e3a8a);
}
.login-box {
  background: var(--card-bg);
  padding: 32px;
  border-radius: 12px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
}
.login-box h1 { margin: 0 0 4px; font-size: 24px; text-align: center; }
.login-box .subtitle { margin: 0 0 20px; text-align: center; color: var(--muted); font-size: 14px; }

/* Layout */
.app { min-height: 100vh; }
.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 18px; color: var(--primary); }
.tabnav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.tabnav button {
  background: none;
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
}
.tabnav button.active { background: var(--primary); color: #fff; }
.user-box { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }

.tab-panel { display: none; padding: 16px; max-width: 1200px; margin: 0 auto; }
.tab-panel.active { display: block; }

.panel-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 16px;
}
@media (max-width: 900px) {
  .panel-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 12px; font-size: 16px; }
.card-header-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 12px;}
.card-header-row h2 { margin: 0; }

.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
input, select, textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 600;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: none; color: var(--muted); border: 1px solid var(--border); }
.btn-block { width: 100%; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }

.search-row { display: flex; gap: 8px; margin-bottom: 10px; }
.search-row input { flex: 1; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 8px 6px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
.table th { color: var(--muted); font-weight: 600; }
.table td.wrap { white-space: normal; }

.cart-total { text-align: right; font-size: 15px; margin: 10px 0; }
.muted { color: var(--muted); font-size: 13px; margin: 6px 0; }
.error-text { color: var(--danger); font-size: 13px; min-height: 18px; margin: 8px 0 0; }
.success-text { color: var(--success); font-size: 13px; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-new { background: #dbeafe; color: #1d4ed8; }
.badge-approved { background: #fef3c7; color: #b45309; }
.badge-prepared { background: #e0e7ff; color: #4338ca; }
.badge-delivered { background: #dcfce7; color: #15803d; }
.badge-rejected { background: #fee2e2; color: #b91c1c; }

.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 100;
}
.modal-box {
  background: #fff; border-radius: 10px; padding: 24px; max-width: 600px; width: 100%;
  max-height: 85vh; overflow-y: auto; position: relative;
}
.modal-close {
  position: absolute; top: 10px; right: 14px; background: none; border: none;
  font-size: 24px; cursor: pointer; color: var(--muted);
}
.status-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }