/* ==========================================================================
   E-ARSIP SURAT MASUK - MODERN GOVERNMENT OFFICE THEME
   Vanilla CSS - Bersih, Rapi, Profesional, Responsif
   ========================================================================== */

:root {
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  --navy-dark: #0f172a;
  --navy-sidebar: #1e293b;

  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;

  --emerald-50: #ecfdf5;
  --emerald-600: #059669;
  --emerald-700: #047857;

  --amber-50: #fffbeb;
  --amber-600: #d97706;
  --amber-700: #b45309;

  --rose-50: #fff1f2;
  --rose-600: #e11d48;
  --rose-700: #be123c;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: #f4f6f9;
  color: var(--slate-800);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.site-header {
  background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-800) 100%);
  color: #ffffff;
  padding: 0 1.5rem;
  border-bottom: 3px solid #f59e0b; /* Golden accent line */
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: #ffffff;
}

.brand-logo {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 0;
  line-height: 1.2;
}

.brand-text p {
  font-size: 0.75rem;
  color: var(--primary-100);
  margin: 0;
  letter-spacing: 0.3px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-link {
  color: #ffffff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-link:hover, .nav-link.active {
  background: rgba(255, 255, 255, 0.18);
}

.header-date {
  font-size: 0.8rem;
  color: var(--primary-100);
  background: rgba(0, 0, 0, 0.15);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

/* ==========================================================================
   MAIN LAYOUT & CONTAINER
   ========================================================================== */
.main-wrapper {
  flex: 1;
  max-width: 1280px;
  width: 100%;
  margin: 1.75rem auto;
  padding: 0 1.25rem;
}

/* ==========================================================================
   ALERTS / NOTIFICATIONS
   ========================================================================== */
.alert {
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.925rem;
  box-shadow: var(--shadow-sm);
}

.alert-success {
  background-color: var(--emerald-50);
  color: var(--emerald-700);
  border-left: 4px solid var(--emerald-600);
}

.alert-danger {
  background-color: var(--rose-50);
  color: var(--rose-700);
  border-left: 4px solid var(--rose-600);
}

.alert ul {
  margin-top: 0.35rem;
  margin-left: 1.2rem;
}

/* ==========================================================================
   CARDS & PANELS
   ========================================================================== */
.card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--slate-200);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.card-header {
  padding: 1rem 1.35rem;
  background-color: #ffffff;
  border-bottom: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate-800);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-body {
  padding: 1.35rem;
}

/* ==========================================================================
   STATISTICS WIDGETS
   ========================================================================== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: #ffffff;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--slate-500);
  font-weight: 600;
  letter-spacing: 0.4px;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--slate-800);
  line-height: 1.2;
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.stat-icon.primary {
  background-color: var(--primary-50);
  color: var(--primary-600);
}

.stat-icon.emerald {
  background-color: var(--emerald-50);
  color: var(--emerald-600);
}

/* ==========================================================================
   SEARCH & FILTER BOX
   ========================================================================== */
.filter-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1.5rem;
}

.filter-grid {
  display: grid;
  grid-template-columns: 2.2fr 1.6fr 1.2fr auto;
  gap: 1rem;
  align-items: end;
}

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

@media (max-width: 640px) {
  .filter-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--slate-700);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.form-label .required {
  color: var(--rose-600);
}

.form-control, .form-select {
  width: 100%;
  padding: 0.55rem 0.8rem;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--slate-800);
  background-color: #ffffff;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.date-range-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.date-range-sep {
  color: var(--slate-400);
  font-size: 0.85rem;
}

.filter-actions {
  display: flex;
  gap: 0.5rem;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--primary-600);
  color: #ffffff;
  border-color: var(--primary-600);
}
.btn-primary:hover {
  background-color: var(--primary-700);
  border-color: var(--primary-700);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--slate-700);
  border-color: var(--slate-300);
}
.btn-secondary:hover {
  background-color: var(--slate-100);
  color: var(--slate-900);
}

.btn-success {
  background-color: var(--emerald-600);
  color: #ffffff;
}
.btn-success:hover {
  background-color: var(--emerald-700);
}

.btn-danger {
  background-color: var(--rose-600);
  color: #ffffff;
}
.btn-danger:hover {
  background-color: var(--rose-700);
}

.btn-outline-danger {
  background: transparent;
  color: var(--rose-600);
  border-color: #fecdd3;
}
.btn-outline-danger:hover {
  background-color: var(--rose-50);
  color: var(--rose-700);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
}

/* ==========================================================================
   TABLES & BADGES
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-modern {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.885rem;
}

.table-modern th {
  background-color: var(--slate-100);
  color: var(--slate-700);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--slate-200);
  white-space: nowrap;
}

.table-modern td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--slate-200);
  vertical-align: middle;
  color: var(--slate-800);
}

.table-modern tbody tr:nth-child(even) {
  background-color: #fafbfc;
}

.table-modern tbody tr:hover {
  background-color: var(--primary-50);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.55rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.badge-rio {
  background-color: #e0f2fe;
  color: #0369a1;
  border: 1px solid #bae6fd;
}

.badge-galih {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.badge-both {
  background-color: #f3e8ff;
  color: #6b21a8;
  border: 1px solid #e9d5ff;
}

.action-buttons {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--slate-500);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  opacity: 0.7;
}

/* ==========================================================================
   DETAIL & PREVIEW VIEW
   ========================================================================== */
.detail-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .detail-layout {
    grid-template-columns: 1fr;
  }
}

.meta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.meta-table th {
  text-align: left;
  color: var(--slate-500);
  font-weight: 600;
  padding: 0.6rem 0;
  width: 40%;
  vertical-align: top;
  border-bottom: 1px solid var(--slate-100);
}

.meta-table td {
  padding: 0.6rem 0;
  color: var(--slate-800);
  font-weight: 500;
  border-bottom: 1px solid var(--slate-100);
}

.pdf-frame-wrapper {
  background: #525659;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--slate-300);
  height: 750px;
}

.pdf-frame-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ==========================================================================
   PAGINATION
   ========================================================================== */
.pagination-wrapper {
  padding: 1rem 1.25rem;
  background-color: #ffffff;
  border-top: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.pagination-wrapper svg {
  width: 1.25rem;
  height: 1.25rem;
}

.pagination-info {
  font-size: 0.875rem;
  color: var(--slate-600);
}

.pagination-info strong {
  color: var(--slate-800);
  font-weight: 600;
}

.custom-pagination {
  display: inline-flex;
  align-items: center;
  list-style: none;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.custom-pagination .page-item {
  display: inline-flex;
}

.custom-pagination .page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.65rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--slate-700);
  background-color: #ffffff;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.15s ease-in-out;
  user-select: none;
  box-shadow: var(--shadow-sm);
}

.custom-pagination .page-link:hover:not(.disabled) {
  background-color: var(--primary-50);
  border-color: var(--primary-500);
  color: var(--primary-700);
}

.custom-pagination .page-item.active .page-link {
  background-color: var(--primary-600);
  border-color: var(--primary-600);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3);
}

.custom-pagination .page-item.disabled .page-link {
  color: var(--slate-400);
  background-color: var(--slate-50);
  border-color: var(--slate-200);
  cursor: not-allowed;
  box-shadow: none;
  opacity: 0.7;
}

.custom-pagination .page-item.dots .page-link {
  border: none;
  background: transparent;
  color: var(--slate-400);
  cursor: default;
  min-width: 1.5rem;
  box-shadow: none;
}

@media (max-width: 640px) {
  .pagination-wrapper {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
  }

  .custom-pagination {
    justify-content: center;
  }
}


/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background-color: #ffffff;
  border-top: 1px solid var(--slate-200);
  padding: 1.25rem 0;
  font-size: 0.8rem;
  color: var(--slate-500);
  text-align: center;
}