/* ============================================
   PAYROLL SYSTEM — Golden Axis Global Enterprises Corp.
   M1 Stylesheet
   ============================================ */

:root {
  /* Core palette */
  --color-primary: #1a56db;
  --color-primary-hover: #1648b8;
  --color-primary-light: #e8eefb;
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-border: #dce1e8;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;

  /* Status colors */
  --color-success: #16a34a;
  --color-success-bg: #dcfce7;
  --color-warning: #d97706;
  --color-warning-bg: #fef3c7;
  --color-danger: #dc2626;
  --color-danger-bg: #fee2e2;
  --color-info: #0284c7;
  --color-info-bg: #e0f2fe;
  --color-gray-badge: #6b7280;
  --color-gray-badge-bg: #f1f5f9;

  /* Layout */
  --sidebar-width: 250px;
  --topbar-height: 56px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  min-height: 100vh;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1a56db 0%, #0f3a8e 100%);
  padding: 20px;
}
.login-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}
.login-card .logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.login-card .subtitle {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}
.login-card .form-group {
  text-align: left;
  margin-bottom: 16px;
}
.login-card .form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.login-card .form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: border-color 0.15s;
}
.login-card .form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
}
.login-card .btn-login {
  width: 100%;
  padding: 10px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  margin-top: 8px;
  transition: background 0.15s;
}
.login-card .btn-login:hover { background: var(--color-primary-hover); }
.login-card .btn-login:disabled { opacity: 0.6; cursor: not-allowed; }
.login-error {
  color: var(--color-danger);
  font-size: 0.85rem;
  margin-top: 12px;
  min-height: 20px;
}

/* ============================================
   LAYOUT: Sidebar + Topbar + Main
   ============================================ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: #0f172a;
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform 0.25s ease;
}
.sidebar-header {
  padding: 20px 16px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-header .brand {
  font-size: 0.85rem;
  font-weight: 700;
  color: #f1f5f9;
  letter-spacing: 0.02em;
}
.sidebar-header .brand-sub {
  font-size: 0.7rem;
  color: #64748b;
  margin-top: 2px;
}
.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}
.sidebar-nav .nav-label {
  padding: 8px 16px 4px;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #475569;
  font-weight: 600;
}
.sidebar-nav a, .sidebar-nav .nav-disabled {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  font-size: 0.9rem;
  border-radius: 0;
  transition: background 0.12s;
  text-decoration: none;
  color: #cbd5e1;
}
.sidebar-nav a:hover {
  background: rgba(255,255,255,0.06);
  text-decoration: none;
}
.sidebar-nav a.active {
  background: rgba(26,86,219,0.2);
  color: #93bbfd;
  font-weight: 600;
}
.sidebar-nav .nav-disabled {
  color: #3e4c5e;
  cursor: default;
  position: relative;
}
.sidebar-nav .nav-disabled:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}
.tooltip-text {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 8px;
  background: #1e293b;
  color: #e2e8f0;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  white-space: nowrap;
  transition: opacity 0.15s;
  box-shadow: var(--shadow-md);
  z-index: 200;
}
.nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}
a.active .nav-icon, a:hover .nav-icon { opacity: 1; }
.nav-disabled .nav-icon { opacity: 0.3; }

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.8rem;
}
.sidebar-footer .user-name {
  font-weight: 600;
  color: #e2e8f0;
}
.sidebar-footer .user-role {
  display: inline-block;
  background: rgba(26,86,219,0.3);
  color: #93bbfd;
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
  margin-top: 4px;
  text-transform: capitalize;
}
.btn-logout {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 7px;
  background: rgba(255,255,255,0.06);
  color: #94a3b8;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  transition: background 0.15s, color 0.15s;
  text-align: center;
}
.btn-logout:hover {
  background: rgba(220,38,38,0.15);
  color: #fca5a5;
}

/* Main area */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.topbar {
  height: var(--topbar-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
  gap: 12px;
}
.topbar .hamburger {
  display: none;
  background: none;
  border: none;
  padding: 4px;
  color: var(--color-text);
}
.topbar .page-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
}
.main-content {
  flex: 1;
  padding: 24px;
}

/* Mobile overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 99;
}

/* ============================================
   DASHBOARD
   ============================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: box-shadow 0.15s;
}
.stat-card:hover { box-shadow: var(--shadow-sm); }
.stat-card .card-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}
.stat-card .card-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text);
}
.stat-card.accent-green { border-left: 4px solid var(--color-success); }
.stat-card.accent-yellow { border-left: 4px solid var(--color-warning); }
.stat-card.accent-red { border-left: 4px solid var(--color-danger); }
.stat-card.accent-blue { border-left: 4px solid var(--color-info); }
.stat-card.accent-gray { border-left: 4px solid var(--color-gray-badge); }

.placeholder-box {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 16px;
}
.placeholder-box h3 {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}
.placeholder-box .placeholder-text {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}
.placeholder-btn {
  display: inline-block;
  padding: 7px 14px;
  margin: 4px;
  background: var(--color-bg);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  cursor: not-allowed;
  opacity: 0.6;
}
.placeholder-btn:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  background: #1e293b;
  color: #e2e8f0;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  white-space: nowrap;
  margin-top: -36px;
  margin-left: -20px;
}
.placeholder-btn { position: relative; }

/* ============================================
   TABLE STYLES
   ============================================ */
.table-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.search-input {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  width: 240px;
  max-width: 100%;
  transition: border-color 0.15s;
}
.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
}
.filter-select {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  background: var(--color-surface);
  color: var(--color-text);
  min-width: 140px;
}
.toggle-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
}
.toggle-label input[type="checkbox"] { cursor: pointer; }

.data-table-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow-x: auto;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #f8fafc;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.9rem;
  white-space: nowrap;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: #f8fafc; }
.data-table tr.clickable { cursor: pointer; }
.data-table tr.inactive td { opacity: 0.5; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
}
.pagination-btns {
  display: flex;
  gap: 6px;
}
.pagination-btns button {
  padding: 5px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.82rem;
  transition: background 0.12s;
}
.pagination-btns button:hover:not(:disabled) { background: var(--color-bg); }
.pagination-btns button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-active { background: var(--color-success-bg); color: var(--color-success); }
.badge-on_leave { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-resigned, .badge-terminated { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-inactive { background: var(--color-gray-badge-bg); color: var(--color-gray-badge); }
.badge-manual { background: var(--color-info-bg); color: var(--color-info); }
.badge-imported { background: #f3e8ff; color: #7c3aed; }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  transition: background 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: #e9ecf0; }
.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 5px 12px; font-size: 0.82rem; }

/* ============================================
   FORMS
   ============================================ */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
}
.form-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.form-group.full-width { grid-column: 1 / -1; }
.form-group label {
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}
.form-group label .required { color: var(--color-danger); }
.form-group input, .form-group select, .form-group textarea {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
}
.form-group textarea { resize: vertical; min-height: 70px; }
.form-group .input-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}
.form-group input.error, .form-group select.error {
  border-color: var(--color-danger);
}
.form-group .error-msg {
  font-size: 0.75rem;
  color: var(--color-danger);
}

.radio-group {
  display: flex;
  gap: 16px;
  align-items: center;
}
.radio-group label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 400;
  cursor: pointer;
  color: var(--color-text);
}
.radio-group input[type="radio"] { cursor: pointer; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 400;
  color: var(--color-text);
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] { cursor: pointer; }

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}
.form-actions .spacer { flex: 1; }

/* Read-only detail */
.detail-value {
  font-size: 0.95rem;
  color: var(--color-text);
  padding: 6px 0;
}
.detail-value.muted { color: var(--color-text-muted); font-style: italic; }

/* ============================================
   CHANGE HISTORY / AUDIT
   ============================================ */
.audit-list { list-style: none; }
.audit-item {
  padding: 10px 0;
  border-bottom: 1px solid #f1f5f9;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.audit-item:last-child { border-bottom: none; }
.audit-meta {
  display: flex;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.audit-action {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text);
}
.audit-changes {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}
.audit-changes .field-change {
  margin-right: 10px;
}
.audit-changes .old-val {
  text-decoration: line-through;
  color: var(--color-danger);
}
.audit-changes .new-val {
  color: var(--color-success);
}

/* ============================================
   MODAL / DIALOG
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal-box {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 28px;
  max-width: 420px;
  width: 90%;
  box-shadow: var(--shadow-lg);
}
.modal-box h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}
.modal-box p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ============================================
   TOAST
   ============================================ */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  animation: toastIn 0.25s ease;
  max-width: 360px;
}
.toast-success { background: var(--color-success); color: #fff; }
.toast-error { background: var(--color-danger); color: #fff; }
.toast-info { background: var(--color-info); color: #fff; }
@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============================================
   LOADING
   ============================================ */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--color-text-muted);
  gap: 10px;
}

/* ============================================
   MOBILE CARDS (for employee list on narrow screens)
   ============================================ */
.mobile-cards { display: none; }
.mobile-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: box-shadow 0.15s;
}
.mobile-card:hover { box-shadow: var(--shadow-sm); }
.mobile-card .mc-name {
  font-weight: 700;
  font-size: 0.95rem;
}
.mobile-card .mc-code {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}
.mobile-card .mc-details {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-overlay.show {
    display: block;
  }
  .main-wrapper {
    margin-left: 0;
  }
  .topbar .hamburger {
    display: block;
  }
  .main-content {
    padding: 16px;
  }
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
  }
  .stat-card { padding: 14px; }
  .stat-card .card-value { font-size: 1.4rem; }
  .table-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-input { width: 100%; }
  .filter-select { width: 100%; }
  .form-grid { grid-template-columns: 1fr; }

  /* Hide table, show cards on mobile */
  .data-table-wrapper.responsive-table { display: none; }
  .mobile-cards.responsive-cards { display: block; }
}