/* Reset & Base Fonts */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark: #070D1E;
  --bg-card: #0D162C;
  --bg-card-header: #101B36;
  --bg-input: #0A1124;
  --border-color: #1E2D4E;
  --border-focus: #3B82F6;
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --btn-primary: #2563EB;
  --btn-primary-hover: #1D4ED8;
  --btn-danger: #EF4444;
  --btn-success: #10B981;
  --accent-cyan: #06B6D4;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Sarabun", "Prompt", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* App Header */
.app-header {
  background: linear-gradient(180deg, #0D162D 0%, #091024 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);
  border: 1px solid #3B82F6;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.35);
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff;
}

.brand-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Nav Tabs */
.nav-tabs {
  display: flex;
  background-color: #080E20;
  padding: 0.25rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  gap: 0.25rem;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}

.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  background: var(--btn-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

/* Main Container */
.main-content {
  max-width: 1200px;
  margin: 1.5rem auto;
  padding: 0 1rem 3rem 1rem;
}

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

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-info span {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.stat-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-top: 0.2rem;
}

.stat-badge {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #142244;
  border: 1px solid #233560;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* Personnel Form Card (Matches Screenshot Perfectly) */
.form-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  margin-bottom: 2rem;
}

.form-header {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* Form Grid */
.form-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  gap: 1.25rem;
}

.form-row.col-2 {
  grid-template-columns: 1fr 1fr;
}

.form-row.col-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 768px) {
  .form-row.col-2, .form-row.col-3 {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-group label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Input & Select Styling */
.form-control {
  background-color: var(--bg-input);
  border: 1px solid #1C2B4C;
  border-radius: 6px;
  padding: 0.65rem 0.85rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  width: 100%;
  transition: all 0.2s ease;
  outline: none;
  font-family: inherit;
}

.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
  background-color: #0c142b;
}

.form-control::placeholder {
  color: #475569;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394A3B8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.2rem;
}

select.form-control option {
  background-color: #0B132B;
  color: var(--text-primary);
  padding: 0.5rem;
}

/* Checkbox Row (From Screenshot) */
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.5rem;
  margin-bottom: 0.25rem;
  user-select: none;
}

.checkbox-custom {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 1px solid #334155;
  border-radius: 4px;
  background-color: var(--bg-input);
  cursor: pointer;
  display: grid;
  place-content: center;
  transition: all 0.15s ease;
}

.checkbox-custom:checked {
  background-color: var(--btn-primary);
  border-color: var(--btn-primary);
}

.checkbox-custom:checked::before {
  content: "";
  width: 10px;
  height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translate(1px, -1px);
}

.checkbox-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
}

/* Account credentials slide down */
.account-credentials-box {
  background-color: #080F22;
  border: 1px dashed #22355C;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-top: 0.5rem;
  display: none;
  animation: fadeIn 0.2s ease;
}

.account-credentials-box.visible {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Form Actions */
.form-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1rem;
}

.btn-primary {
  background-color: var(--btn-primary);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

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

.btn-primary:active {
  transform: scale(0.98);
}

.btn-cancel {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  cursor: pointer;
  padding: 0.6rem 0.8rem;
  transition: color 0.2s ease;
}

.btn-cancel:hover {
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border-color: #3b82f6;
}

/* Personnel Table & Search Bar */
.table-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.table-toolbar {
  padding: 1.25rem 1.5rem;
  background-color: #0b1428;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
}

.search-input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid #1C2B4C;
  border-radius: 6px;
  padding: 0.55rem 0.85rem 0.55rem 2.2rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
}

.search-input:focus {
  border-color: var(--border-focus);
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-select {
  background-color: var(--bg-input);
  border: 1px solid #1C2B4C;
  border-radius: 6px;
  padding: 0.55rem 0.85rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  outline: none;
}

/* Table Style */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  background-color: #091124;
  color: var(--text-muted);
  font-weight: 500;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 0.95rem 1rem;
  border-bottom: 1px solid #14203B;
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tr:hover td {
  background-color: #0E1830;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

.badge-blue {
  background-color: rgba(37, 99, 235, 0.18);
  color: #60A5FA;
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.badge-green {
  background-color: rgba(16, 185, 129, 0.15);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-purple {
  background-color: rgba(139, 92, 246, 0.15);
  color: #A78BFA;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-gray {
  background-color: rgba(148, 163, 184, 0.1);
  color: #94A3B8;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

/* Action buttons in table */
.action-btn-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-icon {
  background: transparent;
  border: 1px solid #1E2D4E;
  color: var(--text-secondary);
  border-radius: 4px;
  padding: 0.35rem 0.5rem;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 0.8rem;
}

.btn-icon:hover {
  background-color: #162444;
  color: #fff;
  border-color: #3B82F6;
}

.btn-icon.delete:hover {
  background-color: rgba(239, 68, 68, 0.15);
  color: #F87171;
  border-color: #EF4444;
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 600px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.modal-overlay.open .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  background-color: var(--bg-card-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
}

.modal-body {
  padding: 1.5rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.toast {
  background-color: #0F1D3B;
  border: 1px solid #243B6B;
  border-left: 4px solid var(--btn-primary);
  border-radius: 6px;
  padding: 0.75rem 1.25rem;
  color: #fff;
  font-size: 0.875rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: slideInRight 0.25s ease;
}

.toast.success {
  border-left-color: var(--btn-success);
}

.toast.error {
  border-left-color: var(--btn-danger);
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Empty State */
.empty-state {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}


/* ==================================================== */
/* Admin Login Screen Styles                            */
/* ==================================================== */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: radial-gradient(circle at 50% 30%, #101c38 0%, #070D1E 70%);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 2.25rem 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  text-align: center;
  animation: fadeIn 0.3s ease;
}

.login-badge-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);
  border: 1px solid #3B82F6;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 25px rgba(37, 99, 235, 0.4);
}

.login-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
}

.login-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  text-align: left;
}

.login-alert {
  background-color: rgba(239, 68, 68, 0.15);
  border: 1px solid #EF4444;
  border-radius: 6px;
  padding: 0.65rem 0.9rem;
  color: #FCA5A5;
  font-size: 0.85rem;
  display: none;
  align-items: center;
  gap: 0.5rem;
}

.login-alert.visible {
  display: flex;
}

.admin-user-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  color: #60A5FA;
}

.btn-logout {
  background: transparent;
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #F87171;
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s;
}

.btn-logout:hover {
  background-color: rgba(239, 68, 68, 0.15);
  border-color: #EF4444;
  color: #fff;
}


/* ==================================================== */
/* Tab-Specific Admin Lock Screen                       */
/* ==================================================== */
.tab-lock-wrapper {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 3.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  margin-top: 1rem;
}

.tab-lock-box {
  width: 100%;
  max-width: 380px;
  background-color: #070D1E;
  border: 1px solid #1C2B4C;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  text-align: left;
}

.lock-badge-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);
  border: 1px solid #3B82F6;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 1.25rem auto;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
}


/* Required Field Asterisk */
.required-star {
  color: #EF4444;
  font-weight: bold;
  margin-left: 3px;
  font-size: 1rem;
}