/* assets/css/style.css */
:root {
  --green-50:  #f0fdf4;
  --green-100: #dcfce7;
  --green-200: #bbf7d0;
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-800: #166534;
  --green-900: #14532d;
  --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;
  --red-500:   #ef4444;
  --red-100:   #fee2e2;
  --amber-500: #f59e0b;
  --amber-100: #fef3c7;
  --blue-500:  #3b82f6;
  --blue-100:  #dbeafe;
  --white:     #ffffff;
  --primary:   var(--green-600);
  --primary-dark: var(--green-700);
  --primary-light: var(--green-50);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow:    0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --radius:    0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --font-bn:   'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
  --font-en:   'Inter', 'Segoe UI', system-ui, sans-serif;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-bn);
  background: var(--gray-100);
  color: var(--gray-800);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 15px;
  line-height: 1.6;
}
body.en { font-family: var(--font-en); }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button { cursor: pointer; }

/* ── TOP NAV ── */
.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--green-800);
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
.topnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 62px;
  max-width: 1400px;
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-logo { flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { color: var(--white); font-weight: 700; font-size: 1rem; }
.brand-sub { color: var(--green-200); font-size: 0.72rem; opacity: 0.85; }

.topnav-right { display: flex; align-items: center; gap: 1rem; }

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(255,255,255,0.1);
  border-radius: 2rem;
  padding: 0.2rem 0.6rem;
}
.lang-btn {
  color: var(--green-200);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.15rem 0.4rem;
  border-radius: 1rem;
  transition: all var(--transition);
}
.lang-btn.active, .lang-btn:hover {
  color: var(--white);
  background: rgba(255,255,255,0.15);
}
.lang-divider { color: var(--green-400); font-size: 0.75rem; }

.user-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--white);
}
.user-avatar {
  width: 32px; height: 32px;
  background: var(--green-600);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  border: 2px solid var(--green-400);
}
.user-name { font-size: 0.85rem; font-weight: 500; color: var(--green-100); }
.badge-admin {
  background: var(--amber-500);
  color: #fff;
  font-size: 0.65rem;
  padding: 0.1rem 0.4rem;
  border-radius: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.logout-btn {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  border-radius: 50%;
  color: var(--green-200);
  transition: all var(--transition);
}
.logout-btn:hover { background: rgba(255,255,255,0.15); color: var(--white); }

/* ── FLASH MESSAGES ── */
.flash-message {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  margin: 0;
  font-size: 0.9rem;
  font-weight: 500;
  animation: slideDown 0.3s ease;
}
@keyframes slideDown { from { transform: translateY(-100%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.flash-success { background: var(--green-100); color: var(--green-800); border-bottom: 2px solid var(--green-400); }
.flash-error   { background: var(--red-100);   color: #b91c1c;         border-bottom: 2px solid var(--red-500); }
.flash-close { margin-left: auto; background: none; border: none; color: inherit; opacity: 0.6; font-size: 0.85rem; }
.flash-close:hover { opacity: 1; }

/* ── PAGE LAYOUT ── */
.page-wrapper {
  display: flex;
  flex: 1;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  padding: 1.5rem;
  gap: 1.5rem;
}
.page-wrapper.no-sidebar { justify-content: center; }
.main-content { flex: 1; min-width: 0; }

/* ── SIDEBAR ── */
.sidebar {
  width: 220px;
  flex-shrink: 0;
}
.sidebar-nav {
  list-style: none;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: sticky;
  top: 78px;
}
.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  color: var(--gray-600);
  font-size: 0.9rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}
.sidebar-nav li a:hover {
  background: var(--green-50);
  color: var(--green-700);
  border-left-color: var(--green-300);
}
.sidebar-nav li a.active {
  background: var(--green-50);
  color: var(--green-700);
  border-left-color: var(--green-600);
  font-weight: 600;
}
.sidebar-nav li a i { width: 18px; text-align: center; font-size: 0.9rem; }
.sidebar-nav li + li a { border-top: 1px solid var(--gray-100); }

/* ── CARDS ── */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-header {
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.card-title i { color: var(--green-600); }
.card-body { padding: 1.4rem; }

/* ── STAT CARDS ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-left: 4px solid;
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-card.green  { border-color: var(--green-500); }
.stat-card.blue   { border-color: var(--blue-500); }
.stat-card.amber  { border-color: var(--amber-500); }
.stat-card.red    { border-color: var(--red-500); }
.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.stat-card.green .stat-icon  { background: var(--green-100); color: var(--green-700); }
.stat-card.blue .stat-icon   { background: var(--blue-100);  color: var(--blue-500); }
.stat-card.amber .stat-icon  { background: var(--amber-100); color: var(--amber-500); }
.stat-card.red .stat-icon    { background: var(--red-100);   color: var(--red-500); }
.stat-info {}
.stat-value { font-size: 1.8rem; font-weight: 700; color: var(--gray-800); line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--gray-500); margin-top: 0.2rem; }

/* ── FORMS ── */
.form-group { margin-bottom: 1.1rem; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.4rem;
}
.required-star { color: var(--red-500); margin-left: 2px; }
.form-control, .form-select {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus, .form-select:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12);
}
.form-control::placeholder { color: var(--gray-400); }
.form-hint { font-size: 0.78rem; color: var(--gray-400); margin-top: 0.3rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--green-600);
  color: var(--white);
}
.btn-primary:hover { background: var(--green-700); box-shadow: 0 2px 8px rgba(22,163,74,0.3); }
.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
}
.btn-secondary:hover { background: var(--gray-200); }
.btn-danger {
  background: var(--red-500);
  color: var(--white);
}
.btn-danger:hover { background: #dc2626; }
.btn-warning {
  background: var(--amber-500);
  color: var(--white);
}
.btn-warning:hover { background: #d97706; }
.btn-sm { padding: 0.38rem 0.75rem; font-size: 0.8rem; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--green-600);
  color: var(--green-700);
}
.btn-outline:hover { background: var(--green-50); }
.btn-icon { padding: 0.45rem; width: 34px; height: 34px; justify-content: center; }

/* ── TABLES ── */
.table-wrapper { overflow-x: auto; border-radius: var(--radius-lg); }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.data-table thead tr {
  background: var(--green-800);
  color: var(--white);
}
.data-table thead th {
  padding: 0.85rem 1rem;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}
.data-table tbody tr {
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--transition);
}
.data-table tbody tr:hover { background: var(--green-50); }
.data-table tbody td {
  padding: 0.75rem 1rem;
  color: var(--gray-700);
  vertical-align: middle;
}
.data-table tbody tr:last-child { border-bottom: none; }
.action-btns { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.empty-table {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--gray-400);
}
.empty-table i { font-size: 2.5rem; margin-bottom: 0.75rem; display: block; }

/* ── FILTERS / SEARCH BAR ── */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1rem;
}
.filter-bar .form-control,
.filter-bar .form-select {
  width: auto;
  flex: 1;
  min-width: 160px;
}
.search-wrapper { position: relative; flex: 2; min-width: 200px; }
.search-wrapper i {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: 0.85rem;
}
.search-wrapper .form-control { padding-left: 2.2rem; }

/* ── PAGINATION ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--gray-100);
  flex-wrap: wrap;
  gap: 0.75rem;
}
.pagination-info { font-size: 0.82rem; color: var(--gray-500); }
.pagination-btns { display: flex; gap: 0.4rem; }
.page-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 34px; height: 34px;
  padding: 0 0.6rem;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 500;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  transition: all var(--transition);
  cursor: pointer;
}
.page-btn:hover { border-color: var(--green-400); color: var(--green-700); }
.page-btn.active { background: var(--green-600); border-color: var(--green-600); color: var(--white); }
.page-btn:disabled, .page-btn[disabled] { opacity: 0.4; cursor: not-allowed; }

/* ── PAGE HEADER ── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-header h1 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.page-header h1 i { color: var(--green-600); }

/* ── LOGIN PAGE ── */
.login-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--green-900) 0%, var(--green-700) 50%, var(--green-500) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}
.login-box {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  overflow: hidden;
}
.login-header {
  background: var(--green-800);
  padding: 2rem;
  text-align: center;
  color: var(--white);
}
.login-logo {
  width: 64px; height: 64px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.8rem;
}
.login-header h1 { font-size: 1.3rem; font-weight: 700; }
.login-header p { font-size: 0.85rem; opacity: 0.75; margin-top: 0.3rem; }
.login-body { padding: 2rem; }
.login-body .btn-primary { width: 100%; justify-content: center; padding: 0.8rem; font-size: 1rem; }

/* ── INSTALL PAGE ── */
.install-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--green-900), var(--green-600));
  display: flex; align-items: center; justify-content: center;
  padding: 2rem 1rem;
}
.install-box {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 560px;
  overflow: hidden;
}
.install-header {
  background: var(--green-800);
  padding: 1.75rem 2rem;
  color: var(--white);
  text-align: center;
}
.install-header h1 { font-size: 1.4rem; font-weight: 700; }
.install-header p { font-size: 0.85rem; opacity: 0.7; margin-top: 0.3rem; }
.install-body { padding: 2rem; }
.install-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  padding: 0.75rem 0 0.5rem;
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.install-body .btn-primary { width: 100%; justify-content: center; padding: 0.85rem; font-size: 1rem; }

/* ── WARD CHART ── */
.ward-chart { display: flex; flex-direction: column; gap: 0.5rem; }
.ward-row { display: flex; align-items: center; gap: 0.75rem; }
.ward-label { font-size: 0.8rem; color: var(--gray-600); width: 80px; flex-shrink: 0; text-align: right; }
.ward-bar-wrap { flex: 1; background: var(--gray-100); border-radius: 1rem; height: 20px; overflow: hidden; }
.ward-bar { height: 100%; background: linear-gradient(90deg, var(--green-600), var(--green-400)); border-radius: 1rem; transition: width 0.8s ease; }
.ward-count { font-size: 0.8rem; font-weight: 600; color: var(--green-700); width: 30px; }

/* ── BADGES ── */
.badge {
  display: inline-flex; align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-green  { background: var(--green-100); color: var(--green-800); }
.badge-gray   { background: var(--gray-100);  color: var(--gray-600); }
.badge-red    { background: var(--red-100);   color: #b91c1c; }
.badge-amber  { background: var(--amber-100); color: #92400e; }

/* ── FOOTER ── */
.site-footer {
  background: var(--green-900);
  color: var(--green-300);
  text-align: center;
  padding: 0.85rem;
  font-size: 0.78rem;
  margin-top: auto;
}

/* ── ACTIVITY LOG ── */
.activity-item {
  display: flex;
  gap: 0.85rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-100);
  align-items: flex-start;
}
.activity-item:last-child { border-bottom: none; }
.activity-icon {
  width: 34px; height: 34px;
  background: var(--green-100);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  color: var(--green-700);
  flex-shrink: 0;
}
.activity-info {}
.activity-action { font-size: 0.85rem; font-weight: 500; color: var(--gray-700); }
.activity-meta { font-size: 0.75rem; color: var(--gray-400); margin-top: 0.1rem; }

/* ── CONFIRM MODAL ── */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2rem;
  max-width: 380px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.modal-icon { font-size: 2.5rem; color: var(--red-500); margin-bottom: 0.75rem; }
.modal-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.modal-text { font-size: 0.875rem; color: var(--gray-500); margin-bottom: 1.25rem; }
.modal-actions { display: flex; gap: 0.75rem; justify-content: center; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .page-wrapper { flex-direction: column; padding: 1rem; gap: 1rem; }
  .sidebar { width: 100%; position: static; }
  .sidebar-nav { display: flex; overflow-x: auto; border-radius: var(--radius); }
  .sidebar-nav li a { border-left: none; border-bottom: 3px solid transparent; white-space: nowrap; }
  .sidebar-nav li a.active { border-left: none; border-bottom-color: var(--green-600); }
  .sidebar-nav li + li a { border-top: none; border-left: 1px solid var(--gray-100); }
  .form-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .topnav-inner { padding: 0 1rem; }
  .brand-name { font-size: 0.85rem; }
  .brand-sub { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-header h1 { font-size: 1.1rem; }
  .filter-bar { flex-direction: column; }
  .filter-bar .form-control, .filter-bar .form-select, .search-wrapper { width: 100%; }
}