:root {
  --brand: #7a5230;
  --brand-dark: #5c3d24;
  --bg: #f5f3f0;
  --card-bg: #ffffff;
  --border: #e2e6e4;
  --text: #2b2b2b;
  --muted: #6b6b6b;
  --danger: #b3261e;
  --success: #1f7a3f;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

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

/* ---------- شاشة تسجيل الدخول ---------- */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #2b2016, #4a3421);
}
.login-card {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 36px 32px;
  width: 320px;
  text-align: center;
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}
.login-logo { font-size: 40px; margin-bottom: 6px; }
.login-card h1 { margin: 0; font-size: 20px; letter-spacing: 1px; color: var(--brand-dark); }
.login-card .subtitle { color: var(--muted); margin: 4px 0 20px; font-size: 14px; }
.login-card label { display: block; text-align: right; font-size: 13px; margin: 10px 0 4px; color: var(--muted); }
.login-card input {
  width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border);
  font-size: 14px;
}
.login-card button {
  width: 100%; margin-top: 18px; padding: 11px; border: none; border-radius: 8px;
  background: var(--brand); color: #fff; font-size: 15px; cursor: pointer;
}
.login-card button:hover { background: var(--brand-dark); }
.error-box {
  background: #fdecea; color: var(--danger); border: 1px solid #f5c2c0;
  border-radius: 8px; padding: 8px 10px; font-size: 13px; margin-bottom: 6px;
}
.version { color: #999; font-size: 11px; margin-top: 16px; }

/* ---------- الشاشة الرئيسية ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--brand-dark); color: #fff; padding: 14px 22px;
}
.topbar-title { display: flex; align-items: center; gap: 12px; }
.topbar-title .logo { font-size: 28px; }
.topbar h1 { margin: 0; font-size: 18px; }
.topbar .subtitle { margin: 2px 0 0; font-size: 12px; opacity: 0.85; }
.logout-link { color: #fff; text-decoration: none; font-size: 13px; opacity: 0.9; }
.logout-link:hover { text-decoration: underline; }

main { max-width: 1100px; margin: 20px auto; padding: 0 16px 60px; }

.card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 18px; margin-bottom: 18px;
}
.card h2 { margin: 0; font-size: 15px; color: var(--brand-dark); }

.card-head-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }

.search-row { display: flex; gap: 10px; }
#rvid-input {
  flex: 1; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.export-buttons { display: flex; gap: 8px; }

.btn {
  padding: 9px 16px; border-radius: 8px; border: none; cursor: pointer; font-size: 13px;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-secondary { background: #eee; color: #444; }
.btn-secondary:hover { background: #e0e0e0; }
.btn-export { background: var(--success); color: #fff; }
.btn-export:disabled { background: #b9d7c2; cursor: not-allowed; }
.btn-export:not(:disabled):hover { background: #175f31; }
.btn-export-pdf { background: #8a3ab8; color: #fff; }
.btn-export-pdf:disabled { background: #d6bfe6; cursor: not-allowed; }
.btn-export-pdf:not(:disabled):hover { background: #6b2c90; }

.message-box {
  margin-top: 10px; padding: 8px 12px; border-radius: 8px; font-size: 13px;
}
.message-box.error { background: #fdecea; color: var(--danger); border: 1px solid #f5c2c0; }
.message-box.info { background: #eaf3ff; color: #1a5aa8; border: 1px solid #cfe2ff; }

.invoice-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: flex; align-items: center; gap: 8px; background: #f1ece5; border: 1px solid var(--border);
  border-radius: 20px; padding: 6px 12px; font-size: 13px;
}
.chip .chip-remove { cursor: pointer; color: var(--danger); font-weight: bold; }
.no-invoices { color: var(--muted); font-size: 13px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }
th, td { padding: 8px 10px; text-align: center; border-bottom: 1px solid var(--border); }
thead th { background: #f7f5f2; color: var(--brand-dark); position: sticky; top: 0; }
.empty-row td { color: var(--muted); padding: 20px; }
.item-photo { width: 48px; height: 48px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.item-photo-missing { color: #bbb; font-size: 11px; }
.weight-input {
  width: 90px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; text-align: center;
}
.weight-input.saved { border-color: var(--success); }
.weight-input.saving { border-color: #cc9a3a; }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal-box {
  background: #fff; border-radius: 12px; width: 92%; max-width: 560px; max-height: 80vh;
  overflow-y: auto; padding: 18px;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.modal-head h3 { margin: 0; font-size: 15px; }
.btn-icon { background: none; border: none; font-size: 16px; cursor: pointer; color: var(--muted); }
.picker-row {
  display: flex; justify-content: space-between; align-items: center; padding: 10px;
  border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px;
}
.picker-row .picker-info { font-size: 13px; line-height: 1.6; }
.picker-row .picker-info b { color: var(--brand-dark); }
.picker-row .btn { flex-shrink: 0; }

@media (max-width: 700px) {
  .search-row { flex-direction: column; }
  .topbar { flex-direction: column; align-items: flex-start; gap: 6px; }
}