:root {
  --bg: #f3f6f4;
  --panel: #ffffff;
  --ink: #173a31;
  --muted: #566a62;
  --line: #d7e2dc;
  --green: #146b52;
  --green-dark: #0f5540;
  --red: #ae3434;
  --amber: #92510f;
  --shadow: 0 2px 10px rgba(23, 58, 49, 0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.7 Tahoma, Arial, sans-serif;
}

/* ---------- Topbar ---------- */
.topbar {
  background: #153e35;
  color: #fff;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.topbar h1 { margin: 0 0 4px; font-size: 20px; }
.topbar p { margin: 0; font-size: 13px; opacity: 0.85; }
.topbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Topbar Brand & Logo ---------- */
.topbar .brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.topbar-logo {
  height: 52px;
  width: auto;
  display: block;
}

/* ---------- Container ---------- */
.container {
  max-width: 1300px;
  margin: 24px auto;
  padding: 0 20px 60px;
}

.view { display: block; }
.view[hidden] { display: none; }

/* ---------- Card ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.card-header h2 { margin: 0; font-size: 18px; }
.card-header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
.card-header-actions input,
.card-header-actions select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
}

/* ---------- Fieldset ---------- */
.section {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 20px;
}
.section legend {
  font-weight: 700;
  color: var(--green);
  padding: 0 8px;
  font-size: 15px;
}
.hint {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 12px;
}

/* ---------- Grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 14px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }

@media (max-width: 800px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Fields ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.field > span {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}
.field input,
.field select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 13px;
  background: #fff;
  color: var(--ink);
}
.field input:focus,
.field select:focus {
  border-color: var(--green);
  outline: none;
  box-shadow: 0 0 0 3px rgba(20, 107, 82, 0.12);
}
.field input[readonly] {
  background: #f2f7f4;
  color: var(--muted);
}
.field small {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- Buttons ---------- */
.btn {
  border: 0;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .05s;
  text-decoration: none;
  display: inline-block;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); }
.btn-secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-secondary:hover { background: #f2f7f4; }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { background: #8a2626; }
.btn-small { padding: 6px 12px; font-size: 12px; }
.btn-icon {
  background: transparent;
  border: 0;
  color: var(--red);
  font-size: 16px;
  cursor: pointer;
  padding: 4px 8px;
}
.btn-icon:hover { background: #f9eaea; border-radius: 6px; }

/* ---------- Summary ---------- */
.summary {
  margin-top: 14px;
  padding: 10px 14px;
  background: #eef7f2;
  border: 1px solid #cfe4d8;
  border-radius: 8px;
  font-size: 13px;
}
.summary strong { color: var(--green); }

/* ---------- Tables ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 12px;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 720px;
}
.data-table th,
.data-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  vertical-align: middle;
}
.data-table th {
  background: #f2f7f4;
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  white-space: nowrap;
}
.data-table tbody tr:hover { background: #f8fbf9; }
.data-table input,
.data-table select {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  padding: 5px 6px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--ink);
  text-align: right;
}
.data-table input:focus,
.data-table select:focus {
  border-color: var(--green);
  background: #fff;
  outline: none;
}
.data-table input[readonly] {
  background: #f2f7f4;
  color: var(--muted);
}
.data-table td.number {
  font-variant-numeric: tabular-nums;
}

/* ---------- Form actions ---------- */
.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px;
  flex-wrap: wrap;
}

/* ---------- Message ---------- */
.message {
  margin: 12px 0 0;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
}
.message.success { background: #e6f4ec; color: var(--green); border: 1px solid #b8dcc9; }
.message.error { background: #f9eaea; color: var(--red); border: 1px solid #e8b7b7; }

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
  font-size: 14px;
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal[hidden] { display: none; }
.modal-content {
  background: #fff;
  border-radius: 14px;
  padding: 22px;
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.modal-header h3 { margin: 0; font-size: 17px; }
.modal-close {
  background: transparent;
  border: 0;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
}
.modal-close:hover { color: var(--red); }
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px;
}

/* ============================================================
   افزوده‌های سیستم: لاگین، منو، لوگو
   ============================================================ */

/* ---------- Login Page ---------- */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #153e35 0%, #146b52 100%);
  padding: 20px;
}
.login-wrapper {
  width: 100%;
  max-width: 420px;
}
.login-card {
  background: #fff;
  border-radius: 18px;
  padding: 36px 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  text-align: center;
}
.login-logo img {
  max-width: 150px;
  height: auto;
  margin-bottom: 18px;
}
.login-card h1 {
  margin: 0 0 4px;
  font-size: 22px;
  color: var(--ink);
}
.login-sub {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 13px;
}
.login-card .field {
  text-align: right;
  margin-bottom: 16px;
}
.btn-block {
  width: 100%;
  padding: 12px;
  font-size: 14px;
}
.login-card .message {
  margin-top: 16px;
}

/* ---------- Dashboard Menu ---------- */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.menu-card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 22px;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow);
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.menu-card:hover {
  transform: translateY(-4px);
  border-color: var(--green);
  box-shadow: 0 8px 24px rgba(20, 107, 82, 0.15);
}
.menu-icon {
  font-size: 42px;
  margin-bottom: 12px;
  line-height: 1;
}
.menu-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--green);
}
.menu-card p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

/* ============================================================
   Stop Guide (راهنمای کدهای توقف)
   ============================================================ */
.stop-guide {
  margin-top: 20px;
  padding: 16px;
  background: #f9fbfa;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.stop-guide h4 {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--green);
}
.stop-guide-table {
  min-width: auto;
  font-size: 12px;
}
.stop-guide-table th,
.stop-guide-table td {
  padding: 6px 10px;
}

/* ============================================================
   صفحه آمار تولید
   ============================================================ */

/* ---------- KPI Cards ---------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 800px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .kpi-grid { grid-template-columns: 1fr; }
}

.kpi-box {
  background: linear-gradient(180deg, #ffffff 0%, #f4faf7 100%);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 16px;
  text-align: center;
  box-shadow: var(--shadow);
}
.kpi-label {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 600;
}
.kpi-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

/* ---------- جدول آمار ---------- */
#stats-table td.center {
  text-align: center;
}
#stats-table input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--green);
  cursor: pointer;
}
#stats-table td.number {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
#stats-table td.plan-cell,
#stats-table td.cumulative-cell {
  color: var(--green);
}
#stats-table td.diff-cell {
  font-weight: 700;
}
#stats-table tbody tr:nth-child(even) {
  background: #fbfdfc;
}

/* ---------- Chart wrapper ---------- */
.chart-wrapper {
  position: relative;
  width: 100%;
  height: 380px;
  padding: 10px;
  background: #fafcfb;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.chart-wrapper canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}
@media (max-width: 500px) {
  .chart-wrapper { height: 280px; }
}

/* ============================================================
   صفحه آمار فروش (اختصاصی)
   ============================================================ */

/* جدول فروش با هدر دو سطحی */
.sales-table {
  min-width: 900px;
}
.sales-table thead tr:first-child th {
  text-align: center;
  background: #eef4f1;
  border-bottom: 2px solid var(--line);
}
.sales-table thead tr:last-child th {
  background: #f7faf8;
  font-size: 11px;
  text-align: center;
}
.sales-table th.group-header {
  color: var(--green);
  font-weight: 700;
  font-size: 12px;
}
.sales-table td.center {
  text-align: center;
}
.sales-table input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--green);
  cursor: pointer;
}
.sales-table td.number {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.sales-table td.plan-cell,
.sales-table td.cumulative-cell {
  color: var(--green);
}
.sales-table td.diff-cell {
  font-weight: 700;
}
.sales-table tbody tr:nth-child(even) {
  background: #fbfdfc;
}
/* ============================================================
   جدول‌های قابل ویرایش (آمار تولید و فروش)
   ============================================================ */

.stats-editable-table .data-table input[type="number"],
.sales-editable-table .data-table input[type="number"] {
  background: #fff;
  border: 1px solid #e2eae6;
  text-align: center;
  font-weight: 600;
  color: var(--ink);
  min-width: 70px;
  transition: border-color .15s, box-shadow .15s;
}

.stats-editable-table .data-table input[type="number"]:hover,
.sales-editable-table .data-table input[type="number"]:hover {
  border-color: #b7cdc3;
}

.stats-editable-table .data-table input[type="number"]:focus,
.sales-editable-table .data-table input[type="number"]:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(20, 107, 82, 0.15);
  outline: none;
}

.stats-editable-table .data-table input[type="number"]::placeholder,
.sales-editable-table .data-table input[type="number"]::placeholder {
  color: #b7c4bf;
}

.stats-editable-table td.plan-cell,
.stats-editable-table td.cumulative-cell,
.sales-editable-table td.plan-cell,
.sales-editable-table td.cumulative-cell {
  background: #f6faf8;
  font-weight: 700;
  color: var(--green);
}
/* ============================================================
   صفحه انبار — تب‌ها و جداول
   ============================================================ */

/* ---------- نوار تب‌ها ---------- */
.tabs-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--line);
  padding-bottom: 0;
}
.tab-btn {
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: color .15s, border-color .15s;
  font-family: inherit;
  margin-bottom: -2px;
}
.tab-btn:hover {
  color: var(--green);
}
.tab-btn.active {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ---------- جدول انبار ---------- */
.inventory-table {
  min-width: 1100px;
}
.inventory-table thead tr:first-child th {
  text-align: center;
  background: #eef4f1;
  border-bottom: 2px solid var(--line);
}
.inventory-table th.group-header {
  color: var(--green);
  font-weight: 700;
  font-size: 12px;
  text-align: center;
}
.inventory-table .data-table input {
  background: #fff;
  border: 1px solid #e2eae6;
  text-align: center;
  font-weight: 600;
  color: var(--ink);
  min-width: 70px;
  transition: border-color .15s, box-shadow .15s;
}
.inventory-table .data-table input:hover {
  border-color: #b7cdc3;
}
.inventory-table .data-table input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(20, 107, 82, 0.15);
  outline: none;
}
.inventory-table .data-table input[readonly] {
  background: #f6faf8;
  color: var(--green);
  font-weight: 700;
  cursor: not-allowed;
}
.inventory-table td.number {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.inventory-table td.row-index {
  font-weight: 700;
  color: var(--muted);
  text-align: center;
}