/* ============================================================
   TaritBandhu Admin Panel — admin_panel.css
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sidebar-w: 240px;
  --sidebar-collapsed: 64px;
  --topbar-h: 56px;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --info: #0891b2;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --sidebar-bg: #0f172a;
  --sidebar-text: #cbd5e1;
  --sidebar-hover: #1e293b;
  --sidebar-active: #2563eb;
  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
  --transition: 200ms ease;
  --font: "Noto Sans Bengali", "Inter", system-ui, sans-serif;
}

body.admin-body {
  font-family: var(--font);
  background: var(--gray-100);
  color: var(--gray-800);
  min-height: 100vh;
  line-height: 1.5;
}

/* ─── Layout ─────────────────────────────────────────────── */

.admin-shell {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar ─────────────────────────────────────────────── */

.admin-sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: width var(--transition);
  overflow: hidden;
}

.admin-sidebar.collapsed { width: var(--sidebar-collapsed); }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  height: var(--topbar-h);
  border-bottom: 1px solid rgba(255,255,255,.07);
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-brand-logo {
  width: 28px; height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}

.sidebar-brand-text {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  opacity: 1;
  transition: opacity var(--transition);
}

.admin-sidebar.collapsed .sidebar-brand-text { opacity: 0; pointer-events: none; }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 0;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #475569;
  padding: 12px 18px 4px;
  white-space: nowrap;
  transition: opacity var(--transition);
}

.admin-sidebar.collapsed .sidebar-section-label { opacity: 0; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
  border-left: 3px solid transparent;
  position: relative;
}

.sidebar-link:hover {
  background: var(--sidebar-hover);
  color: #fff;
}

.sidebar-link.active {
  background: rgba(37,99,235,.15);
  border-left-color: var(--primary);
  color: #fff;
}

.sidebar-link svg {
  flex-shrink: 0;
  width: 17px; height: 17px;
}

.sidebar-link-text {
  opacity: 1;
  transition: opacity var(--transition);
}

.admin-sidebar.collapsed .sidebar-link-text { opacity: 0; }

/* Tooltip on collapsed */
.admin-sidebar.collapsed .sidebar-link::after {
  content: attr(data-label);
  position: absolute;
  left: calc(var(--sidebar-collapsed) + 8px);
  background: #1e293b;
  color: #fff;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 300;
}

.admin-sidebar.collapsed .sidebar-link:hover::after { opacity: 1; }

.sidebar-bottom {
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,.07);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 6px;
  border-radius: var(--radius);
  overflow: hidden;
}

.sidebar-user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-user-info { overflow: hidden; }
.sidebar-user-name {
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--transition);
}

.sidebar-user-role {
  color: var(--gray-400);
  font-size: 11px;
  white-space: nowrap;
  transition: opacity var(--transition);
}

.admin-sidebar.collapsed .sidebar-user-info { opacity: 0; }

/* ─── Main area ───────────────────────────────────────────── */

.admin-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  transition: margin-left var(--transition);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.admin-shell.sidebar-collapsed .admin-main { margin-left: var(--sidebar-collapsed); }

/* ─── Topbar ──────────────────────────────────────────────── */

.admin-topbar {
  height: var(--topbar-h);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
}

.topbar-toggle {
  background: none; border: none; cursor: pointer;
  color: var(--gray-500);
  padding: 6px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), color var(--transition);
}

.topbar-toggle:hover { background: var(--gray-100); color: var(--gray-700); }

.topbar-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px;
  color: var(--gray-500);
  flex: 1;
}

.topbar-breadcrumb a { color: var(--primary); text-decoration: none; }
.topbar-breadcrumb a:hover { text-decoration: underline; }
.topbar-breadcrumb .sep { color: var(--gray-300); }
.topbar-breadcrumb .current { color: var(--gray-700); font-weight: 500; }

.topbar-right {
  display: flex; align-items: center; gap: 8px;
}

.topbar-badge {
  display: flex; align-items: center; gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.topbar-logout {
  display: flex; align-items: center; gap: 6px;
  background: none; border: 1px solid var(--gray-200);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--gray-600);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.topbar-logout:hover {
  background: #fef2f2;
  border-color: var(--danger);
  color: var(--danger);
}

/* ─── Page content ────────────────────────────────────────── */

.admin-content {
  padding: 24px;
  flex: 1;
}

.page-header {
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
}

.page-subtitle {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 2px;
}

/* ─── Stats cards ─────────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border-left: 4px solid transparent;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-card.blue  { border-left-color: var(--primary); }
.stat-card.green { border-left-color: var(--success); }
.stat-card.amber { border-left-color: var(--warning); }
.stat-card.red   { border-left-color: var(--danger); }
.stat-card.cyan  { border-left-color: var(--info); }

.stat-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--gray-500);
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1;
}

.stat-sub {
  font-size: 12px;
  color: var(--gray-400);
}

.stat-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  opacity: .85;
}

.stat-icon.blue  { background: var(--primary-light); color: var(--primary); }
.stat-icon.green { background: #f0fdf4; color: var(--success); }
.stat-icon.amber { background: #fffbeb; color: var(--warning); }
.stat-icon.red   { background: #fef2f2; color: var(--danger); }

.stat-row { display: flex; justify-content: space-between; align-items: center; }

/* ─── Cards ───────────────────────────────────────────────── */

.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  gap: 12px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body { padding: 20px; }

.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

/* ─── Tables ──────────────────────────────────────────────── */

.table-wrapper {
  overflow-x: auto;
  border-radius: 0 0 var(--radius) var(--radius);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.admin-table th {
  background: var(--gray-50);
  color: var(--gray-600);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}

.admin-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  vertical-align: middle;
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--gray-50); }

.admin-table .truncate {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── Badges ──────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.badge-pending  { background: #fef9c3; color: #854d0e; }
.badge-resolved { background: #dcfce7; color: #166534; }
.badge-progress { background: #dbeafe; color: #1e40af; }
.badge-rejected { background: #fee2e2; color: #991b1b; }
.badge-desco    { background: #eff6ff; color: #1d4ed8; }
.badge-dpdc     { background: #f0fdf4; color: #166534; }
.badge-reb      { background: #fff7ed; color: #9a3412; }
.badge-admin    { background: #ede9fe; color: #5b21b6; }
.badge-data     { background: #f0fdf4; color: #166534; }
.badge-general  { background: #eff6ff; color: #1e40af; }

/* ─── Buttons ─────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), box-shadow var(--transition), opacity var(--transition);
  white-space: nowrap;
}

.btn:disabled { opacity: .5; pointer-events: none; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #b45309; }

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}

.btn-ghost:hover { background: var(--gray-100); }

.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 6px; border-radius: 6px; }

/* ─── Filter bar ──────────────────────────────────────────── */

.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 20px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.filter-input {
  height: 34px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  padding: 0 10px;
  font-size: 13px;
  color: var(--gray-700);
  background: #fff;
  min-width: 180px;
  transition: border-color var(--transition);
}

.filter-input:focus { outline: none; border-color: var(--primary); }

.filter-select {
  height: 34px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  padding: 0 28px 0 10px;
  font-size: 13px;
  color: var(--gray-700);
  background: #fff;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%236b7280' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  cursor: pointer;
  transition: border-color var(--transition);
}

.filter-select:focus { outline: none; border-color: var(--primary); }

/* ─── Pagination ──────────────────────────────────────────── */

.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 14px 20px;
  border-top: 1px solid var(--gray-200);
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
  font-size: 13px;
  color: var(--gray-600);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.page-link:hover { background: var(--gray-100); }
.page-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-link.disabled { opacity: .4; pointer-events: none; }

.pagination-info {
  margin-left: auto;
  font-size: 13px;
  color: var(--gray-500);
}

/* ─── Modal ───────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.open { opacity: 1; pointer-events: auto; }

.modal {
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(-10px);
  transition: transform var(--transition);
}

.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--gray-200);
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
}

.modal-close {
  background: none; border: none;
  width: 28px; height: 28px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  transition: background var(--transition), color var(--transition);
}

.modal-close:hover { background: var(--gray-100); color: var(--gray-700); }

.modal-body { padding: 20px; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--gray-100);
}

/* ─── Forms ───────────────────────────────────────────────── */

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 5px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--gray-800);
  background: #fff;
  font-family: var(--font);
  transition: border-color var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

.form-textarea { resize: vertical; min-height: 100px; }

/* ─── Alerts ──────────────────────────────────────────────── */

.alert {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-danger  { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-info    { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* ─── Code / JSON editor ──────────────────────────────────── */

.json-editor {
  font-family: "Courier New", Courier, monospace;
  font-size: 12px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  padding: 12px;
  width: 100%;
  min-height: 400px;
  resize: vertical;
  color: var(--gray-800);
  background: #fafafa;
  line-height: 1.6;
  transition: border-color var(--transition);
}

.json-editor:focus { outline: none; border-color: var(--primary); }

.prompt-editor {
  font-family: var(--font);
  font-size: 13px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  padding: 12px;
  width: 100%;
  min-height: 320px;
  resize: vertical;
  color: var(--gray-800);
  background: #fff;
  line-height: 1.7;
  transition: border-color var(--transition);
}

.prompt-editor:focus { outline: none; border-color: var(--primary); }

/* ─── Login page ──────────────────────────────────────────── */

.admin-login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  padding: 24px;
}

.admin-login-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow-lg);
}

.admin-login-logo {
  text-align: center;
  margin-bottom: 24px;
}

.admin-login-logo img {
  height: 52px;
  object-fit: contain;
}

.admin-login-title {
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.admin-login-sub {
  text-align: center;
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 28px;
}

.admin-login-back {
  display: block;
  text-align: center;
  font-size: 13px;
  color: var(--gray-500);
  text-decoration: none;
  margin-top: 18px;
  transition: color var(--transition);
}

.admin-login-back:hover { color: var(--primary); }

/* ─── Chart canvas ────────────────────────────────────────── */

.chart-container {
  position: relative;
  height: 220px;
  width: 100%;
}

.chart-container-sm { height: 160px; }

/* ─── Tabs ────────────────────────────────────────────────── */

.tab-bar {
  display: flex;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 20px;
  gap: 0;
}

.tab-btn {
  background: none;
  border: none;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition), border-color var(--transition);
}

.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-btn:hover:not(.active) { color: var(--gray-700); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── Upload zone ─────────────────────────────────────────── */

.upload-zone {
  border: 2px dashed var(--gray-300);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
  color: var(--gray-400);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.upload-zone:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

.upload-zone input[type="file"] {
  display: none;
}

/* ─── Spinner ─────────────────────────────────────────────── */

.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Toast ───────────────────────────────────────────────── */

#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--gray-900);
  color: #fff;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: var(--shadow-md);
  animation: slideUp .25s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 220px;
  max-width: 360px;
}

.toast.success { background: #166534; }
.toast.error   { background: var(--danger); }

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

/* ─── Responsive ──────────────────────────────────────────── */

@media (max-width: 1024px) {
  .charts-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .admin-sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition), width var(--transition);
    width: var(--sidebar-w) !important;
  }
  .admin-sidebar.mobile-open { transform: translateX(0); }
  .admin-main { margin-left: 0 !important; }
  .admin-content { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-table { font-size: 12px; }
  .admin-table th, .admin-table td { padding: 8px 10px; }

  .sidebar-scrim {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 199;
    display: none;
  }
  .sidebar-scrim.active { display: block; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-input, .filter-select { min-width: 0; }
}