/* ============================================================
   FACULTY PERSONNEL SYSTEM — Global Stylesheet
   Mobile-first · Thai-friendly · Clean professional
   ============================================================ */

/* ── CSS Variables ──────────────────────────────────────── */
:root {
  --primary:        #1f4f95;
  --primary-dark:   #163d75;
  --primary-light:  #edf4ff;
  --secondary:      #7fa7d8;
  --accent:         #d2a93a;
  --success:        #059669;
  --success-light:  #d1fae5;
  --warning:        #b8860b;
  --warning-light:  #fff3cf;
  --danger:         #dc2626;
  --danger-light:   #fee2e2;
  --gray-50:        #f9fbff;
  --gray-100:       #eef3fb;
  --gray-200:       #dbe4f0;
  --gray-300:       #bfd0e2;
  --gray-400:       #96abc4;
  --gray-500:       #6a7f9d;
  --gray-600:       #4d6583;
  --gray-700:       #324b69;
  --gray-800:       #213953;
  --gray-900:       #16283d;
  --white:          #ffffff;
  --shell-topbar-start: #16345f;
  --shell-topbar-mid:   #193b6b;
  --shell-topbar-end:   #1f4a82;
  --shell-sidebar-bg:   #ffffff;
  --shell-sidebar-text: #26405f;
  --shell-sidebar-muted:#6a7f9d;
  --shell-sidebar-active-bg: #f3f7ff;
  --shell-sidebar-hover-bg:  #f8fbff;
  --font-family:    'Sarabun', 'Segoe UI', Tahoma, sans-serif;
  --radius-sm:      6px;
  --radius-md:      10px;
  --radius-lg:      16px;
  --radius-xl:      24px;
  --shadow-sm:      0 6px 18px rgba(148,163,184,.08);
  --shadow-md:      0 12px 28px rgba(148,163,184,.12);
  --shadow-lg:      0 18px 40px rgba(148,163,184,.14);
  --shadow-xl:      0 24px 56px rgba(148,163,184,.16);
  --transition:     0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --navbar-height:  86px;
  --sidebar-width:  240px;
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  background:
    radial-gradient(circle at top, rgba(31,79,149,.05), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

/* ── Typography ─────────────────────────────────────────── */
h1 { font-size: 1.8rem; font-weight: 700; }
h2 { font-size: 1.4rem; font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }
h4 { font-size: 1rem;   font-weight: 600; }

.text-sm   { font-size: .85rem; }
.text-xs   { font-size: .75rem; }
.text-lg   { font-size: 1.1rem; }
.text-xl   { font-size: 1.25rem; }
.text-muted{ color: var(--gray-500); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger);  }
.text-warning { color: var(--warning); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

/* ── Layout ─────────────────────────────────────────────── */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  padding: calc(var(--navbar-height) + 24px) 16px 24px;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.site-footer {
  padding: 14px 18px 20px;
  text-align: center;
  color: var(--gray-500);
  font-size: .78rem;
  line-height: 1.7;
}

.site-footer-line {
  display: block;
}

/* ── Shared avatar ─────────────────────────────────────── */
.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .9rem;
  color: #fff;
  flex-shrink: 0;
}

/* ── App shell / sidebar ───────────────────────────────── */
.mobile-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  height: var(--navbar-height);
  padding: 14px 22px;
  background: linear-gradient(180deg, var(--shell-topbar-start) 0%, var(--shell-topbar-end) 100%);
  border-bottom: 1px solid rgba(219, 228, 240, .95);
  box-shadow: 0 8px 20px rgba(31, 79, 149, .07);
}

.mobile-topbar-main {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  flex: 1;
}

.mobile-topbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.15;
  text-decoration: none;
}
.mobile-topbar-brand:hover { text-decoration: none; }

.mobile-topbar-brand span {
  display: block;
}

.topbar-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255,255,255,.12);
  color: #ffffff;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(10, 24, 46, .16);
}

.mobile-topbar-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.sidebar {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--shell-sidebar-bg);
  color: var(--shell-sidebar-text);
  z-index: 1200;
  display: flex;
  flex-direction: column;
  padding: 18px 16px 16px;
  border-right: 1px solid rgba(219,228,240,.95);
  box-shadow: 0 18px 40px rgba(31, 79, 149, .10);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(149,164,188,.65) rgba(229,237,247,.9);
}

.sidebar::-webkit-scrollbar {
  width: 10px;
}

.sidebar::-webkit-scrollbar-track {
  background: rgba(229,237,247,.9);
  border-radius: 999px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(149,164,188,.65);
  border-radius: 999px;
  border: 2px solid rgba(229,237,247,.9);
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(111,127,150,.82);
}

.sidebar-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gray-800);
  text-decoration: none;
}
.sidebar-brand:hover { text-decoration: none; }

.sidebar-brand strong {
  display: block;
  font-size: 1rem;
  line-height: 1.2;
}

.sidebar-brand small {
  display: block;
  margin-top: 2px;
  color: var(--shell-sidebar-muted);
  font-size: .74rem;
}

.sidebar-brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #fff7dc 0%, #edf4ff 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-brand-icon svg {
  width: 22px;
  height: 22px;
}

.sidebar-brand-icon img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  display: block;
}

.sidebar-close {
  display: none;
  background: #f7f9fc;
  border: 1px solid var(--gray-200);
  color: var(--gray-700);
  width: 34px;
  height: 34px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.sidebar-user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 12px;
  margin-bottom: 18px;
}

.sidebar-user-card .avatar {
  border: 2px solid #e8d89f;
  background: linear-gradient(135deg, #fff7dc 0%, #edf4ff 100%);
  color: var(--primary-dark);
}

.sidebar-user-meta {
  min-width: 0;
}

.sidebar-user-meta .user-name {
  font-weight: 700;
  font-size: .92rem;
  line-height: 1.2;
}

.sidebar-user-meta .user-role,
.sidebar-user-meta .user-email {
  color: var(--shell-sidebar-muted);
  font-size: .76rem;
}

.sidebar-user-meta .user-email {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-section-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: transparent;
  border: 0;
  padding: 0 6px;
  cursor: pointer;
  color: inherit;
  font-family: var(--font-family);
}

.sidebar-section-title {
  font-size: .98rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: none;
  color: var(--gray-900);
  text-align: left;
}

.sidebar-section-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-800);
  transition: transform var(--transition), color var(--transition);
}

.sidebar-section-links {
  display: none;
  flex-direction: column;
  gap: 8px;
}

.sidebar-section.expanded .sidebar-section-links {
  display: flex;
}

.sidebar-section.expanded .sidebar-section-chevron {
  transform: rotate(180deg);
  color: rgba(255,255,255,.9);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 14px;
  color: var(--gray-600);
  text-decoration: none;
  font-weight: 500;
  font-size: .88rem;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.sidebar-link:hover {
  text-decoration: none;
  color: var(--gray-800);
  background: var(--shell-sidebar-hover-bg);
}

.sidebar-link.active {
  color: var(--primary);
  background: var(--shell-sidebar-active-bg);
  box-shadow: inset 0 0 0 1px rgba(210,169,58,.28);
}

.sidebar-link-icon {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-link-icon svg {
  width: 20px;
  height: 20px;
}

.sidebar-subgroup {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-subgroup + .sidebar-subgroup {
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(188, 201, 220, .7);
}

.sidebar-subgroup-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: transparent;
  border: 0;
  padding: 0 6px;
  cursor: pointer;
  color: inherit;
  font-family: var(--font-family);
}

.sidebar-subgroup-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  color: var(--gray-700);
  text-align: left;
}

.sidebar-subgroup-title::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  flex-shrink: 0;
}

.sidebar-subgroup-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  transition: transform var(--transition), color var(--transition);
}

.sidebar-subgroup-links {
  display: none;
  flex-direction: column;
  gap: 6px;
}

.sidebar-subgroup.expanded .sidebar-subgroup-links {
  display: flex;
}

.sidebar-subgroup.expanded .sidebar-subgroup-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.sidebar-footer {
  padding-top: 12px;
  border-top: 1px solid var(--gray-200);
}

.btn-logout {
  background: #f7f9fc;
  border: 1px solid var(--gray-200);
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  font-size: .8rem;
  cursor: pointer;
  font-family: var(--font-family);
  transition: background var(--transition);
}
.btn-logout:hover { background: #edf3f9; }

.sidebar-logout {
  width: 100%;
  justify-content: center;
  padding: 10px 14px;
}

/* Mobile hamburger menu */
.hamburger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: rgba(255,255,255,.72);
  width: 50px;
  height: 50px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--gray-800);
  box-shadow: 0 6px 16px rgba(149,164,188,.18);
}

.mobile-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(47, 66, 96, .32);
  z-index: 1150;
}
.mobile-nav-backdrop.open { display: block; }

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,.94);
  border-top: 1px solid var(--gray-200);
  box-shadow: 0 -8px 20px rgba(15, 23, 42, .08);
  backdrop-filter: blur(10px);
  z-index: 1100;
}

.bottom-nav-inner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
}

.bnav-item {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 6px;
  border-radius: 12px;
  color: var(--gray-600);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 600;
}

.bnav-item:hover {
  text-decoration: none;
  background: var(--gray-100);
  color: var(--primary);
}

.bnav-item.active {
  color: var(--primary);
  background: linear-gradient(180deg, #fff9e8 0%, var(--primary-light) 100%);
}

.bnav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(214,224,238,.9);
}

.card-header {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: .98rem;
  font-weight: 700;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body { padding: 20px; }

.card.is-collapsible > .card-header {
  cursor: pointer;
  user-select: none;
}

.card.is-collapsible > .card-header:focus-visible {
  outline: 2px solid #93c5fd;
  outline-offset: -2px;
}

.card.is-collapsible > .card-header::after {
  content: '';
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  margin-left: auto;
  background-color: currentColor;
  opacity: .55;
  transition: transform .2s ease, opacity .2s ease;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='black'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='black'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E") center / contain no-repeat;
}

.card.is-collapsible.is-collapsed > .card-header {
  border-bottom-color: transparent;
}

.card.is-collapsible.is-collapsed > .card-header::after {
  transform: rotate(-90deg);
  opacity: .8;
}

.card.is-collapsible > .card-body[hidden] {
  display: none !important;
}

/* ── Summary / Stat cards ───────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(214,224,238,.9);
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  color: inherit;
}
.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  text-decoration: none;
}

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.stat-icon.blue   { background: var(--primary-light); color: var(--primary); }
.stat-icon.teal   { background: #ccfbf1;  color: #0f766e; }
.stat-icon.purple { background: #fff4d6;  color: #b8860b; }
.stat-icon.orange { background: var(--warning-light); color: var(--warning); }
.stat-icon.green  { background: var(--success-light); color: var(--success); }

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.05;
  color: var(--gray-800);
}

.stat-label {
  font-size: .84rem;
  color: var(--gray-500);
  font-weight: 600;
}

/* ── Page header ────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.page-title {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-subtitle {
  font-size: .84rem;
  color: var(--gray-500);
  margin-top: 3px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 18px;
  font-family: var(--font-family);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition), color var(--transition), opacity var(--transition);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
  box-shadow: 0 1px 2px rgba(15,23,42,.03);
}
.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(148,163,184,.14);
}
.btn:active { transform: translateY(0) scale(.985); }
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(37,99,235,.14);
}
.btn:disabled {
  opacity: .72;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.btn.is-loading {
  position: relative;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border-color: rgba(31,79,149,.24);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #112f5e 100%);
  box-shadow: 0 14px 22px rgba(31,79,149,.22);
}

.btn-secondary {
  background: rgba(255,255,255,.96);
  color: var(--gray-700);
  border-color: rgba(191,203,220,.95);
}
.btn-secondary:hover:not(:disabled) { background: #f8fbff; border-color: #bfdbfe; }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover:not(:disabled) { background: #b91c1c; }

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover:not(:disabled) { background: #047857; }

.btn-outline {
  background: rgba(255,255,255,.8);
  color: var(--primary);
  border-color: rgba(37,99,235,.32);
}
.btn-outline:hover:not(:disabled) { background: var(--primary-light); }

.btn-sm { padding: 5px 12px; font-size: .8rem; }
.btn-lg { padding: 12px 28px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-icon { padding: 7px; border-radius: var(--radius-sm); }

/* ── Forms ──────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-label .required { color: var(--danger); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: .9rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29,78,216,.12);
}
.form-control[readonly] {
  background:
    linear-gradient(180deg, rgba(248,250,252,.98) 0%, rgba(241,245,249,.98) 100%);
  border-color: rgba(148,163,184,.45);
  border-style: dashed;
  color: var(--gray-600);
  cursor: not-allowed;
}
.form-control:disabled {
  background: var(--gray-100);
  color: var(--gray-500);
  cursor: not-allowed;
}
.form-control.is-invalid { border-color: var(--danger); }

select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 32px; }

textarea.form-control { resize: vertical; min-height: 90px; }

.form-help { font-size: .78rem; color: var(--gray-400); margin-top: 4px; }
.form-error { font-size: .78rem; color: var(--danger); margin-top: 4px; }

.input-group {
  display: flex;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input-group:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29,78,216,.12);
}
.input-group .form-control {
  border: none;
  border-radius: 0;
  box-shadow: none;
}
.input-group-btn {
  background: var(--gray-100);
  border: none;
  border-left: 1.5px solid var(--gray-300);
  padding: 0 12px;
  cursor: pointer;
  color: var(--gray-500);
  display: flex;
  align-items: center;
}
.input-group-btn:hover { background: var(--gray-200); }

/* ── Two-column form grid ───────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0 20px;
}

/* ── Table ──────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}

thead tr { background: var(--gray-50); }

th {
  padding: 11px 14px;
  text-align: left;
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--gray-500);
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}

td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  vertical-align: middle;
}

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

.table-actions { display: flex; gap: 6px; }

/* ── Badges ─────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-success { background: var(--success-light); color: #065f46; }
.badge-danger  { background: var(--danger-light);  color: #991b1b; }
.badge-warning { background: var(--warning-light); color: #92400e; }
.badge-primary { background: var(--primary-light); color: var(--primary-dark); }
.badge-gray    { background: var(--gray-100);     color: var(--gray-600); }

/* ── Modal ──────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 16px;
  backdrop-filter: blur(2px);
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: modalIn .2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(.95) translateY(8px); }
  to   { opacity: 1; transform: scale(1)  translateY(0); }
}

.modal-header {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
}

.modal-title { font-size: 1rem; font-weight: 700; color: var(--gray-800); }

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-400);
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  transition: color var(--transition), background var(--transition);
}
.modal-close:hover { color: var(--gray-700); background: var(--gray-100); }

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-shrink: 0;
}

/* ── Toast notifications ────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 70px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: .88rem;
  font-weight: 500;
  min-width: 240px;
  max-width: 360px;
  opacity: 1;
  transform: translateX(0);
  animation: toastIn .3s ease;
  pointer-events: auto;
}
.toast.is-hiding {
  animation: toastOut .3s ease forwards;
}
.toast-success { background: var(--success); color: #fff; }
.toast-error   { background: var(--danger);  color: #fff; }
.toast-warning { background: var(--warning); color: #fff; }
.toast-info    { background: linear-gradient(135deg, #b89022 0%, #1f4f95 100%); color: #fff; }

@keyframes toastIn  { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateX(20px); } }

/* ── Loading overlay ────────────────────────────────────── */
.loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(248,250,252,.78);
  z-index: 9990;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
}
.loading-overlay.show { display: flex; }

.loading-overlay-panel {
  min-width: 180px;
  padding: 18px 22px;
  border-radius: 18px;
  border: 1px solid rgba(214,224,238,.95);
  background: rgba(255,255,255,.96);
  box-shadow: 0 20px 40px rgba(148,163,184,.18);
  display: grid;
  justify-items: center;
  gap: 10px;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(191,203,220,.55);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

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

.loading-overlay-text {
  font-size: .9rem;
  font-weight: 600;
  color: var(--gray-700);
  letter-spacing: .01em;
}

/* Inline spinner */
.spinner-sm {
  display: inline-block;
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  border: 2px solid rgba(255,255,255,.42);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
  vertical-align: middle;
}
.spinner-sm.dark {
  border-color: rgba(0,0,0,.15);
  border-top-color: var(--primary);
}

.content-loading-card {
  padding: 0;
  overflow: hidden;
  margin-bottom: 18px;
  border: 1px solid rgba(214,224,238,.92);
  background: rgba(255,255,255,.94);
  box-shadow: var(--shadow-sm);
}

.loading-skeleton-shell {
  padding: 26px;
  background:
    radial-gradient(circle at top left, rgba(37,99,235,.06), transparent 28%),
    radial-gradient(circle at top right, rgba(148,163,184,.08), transparent 32%),
    linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(248,250,252,.95) 100%);
}

.loading-skeleton-lines {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.loading-skeleton-line,
.loading-skeleton-block,
.loading-skeleton-panel {
  background: rgba(226,232,240,.92);
}

.loading-skeleton-line {
  height: 16px;
  border-radius: 999px;
}

.loading-skeleton-line.short {
  width: min(180px, 42%);
}

.loading-skeleton-line.medium {
  width: min(320px, 68%);
}

.loading-skeleton-layout {
  display: grid;
  gap: 16px;
}

.loading-skeleton-layout.compact {
  grid-template-columns: minmax(0, 1fr);
}

.loading-skeleton-panel {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 24px;
  border: 1px solid rgba(226,232,240,.92);
}

.loading-skeleton-panel {
  min-height: clamp(220px, 42vh, 420px);
}

.loading-skeleton-panel.compact {
  min-height: 170px;
}

.loading-skeleton-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.loading-skeleton-layout.compact .loading-skeleton-stat-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.loading-skeleton-block {
  display: block;
  border-radius: 14px;
}

.loading-skeleton-block.stat {
  height: 72px;
}

.loading-skeleton-block.line {
  height: 16px;
  border-radius: 999px;
  width: min(220px, 48%);
}

.loading-skeleton-block.line.medium {
  width: min(280px, 72%);
}

.loading-skeleton-block.row {
  height: 44px;
}

.loading-skeleton-block.row.short {
  width: 68%;
}

.loading-skeleton-label {
  margin-top: 16px;
  color: var(--gray-600);
  font-size: .9rem;
  font-weight: 600;
}

.loading-skeleton-card[data-loading-variant="compact"] .loading-skeleton-panel {
  min-height: 170px;
}

.loading-skeleton-card[data-loading-variant="dashboard"] .loading-skeleton-panel {
  min-height: clamp(220px, 44vh, 460px);
}

@media (max-width: 900px) {
  .loading-skeleton-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .loading-skeleton-stat-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray-400);
}
.empty-state svg { opacity: .4; margin-bottom: 12px; }
.empty-state p { font-size: .95rem; }

/* ── Alert ───────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}
.alert-error   { background: var(--danger-light);  color: #991b1b; border: 1px solid #fca5a5; }
.alert-success { background: var(--success-light); color: #065f46; border: 1px solid #6ee7b7; }
.alert-info    { background: var(--primary-light); color: var(--primary-dark); border: 1px solid #93c5fd; }

/* ── Detail list (key-value pairs) ─────────────────────── */
.detail-list { list-style: none; }

.detail-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: .9rem;
}
.detail-list li:last-child { border-bottom: none; }

.detail-label {
  min-width: 140px;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--gray-500);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.detail-value { color: var(--gray-800); word-break: break-word; }

/* ── Welcome hero (dashboard) ───────────────────────────── */
.welcome-card {
  background:
    radial-gradient(circle at top right, rgba(210,169,58,.10), transparent 28%),
    radial-gradient(circle at top left, rgba(31,79,149,.08), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  color: var(--gray-800);
  margin-bottom: 18px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(214,224,238,.95);
}
.welcome-card::after {
  content: '';
  position: absolute;
  top: -32px;
  right: -32px;
  width: 128px;
  height: 128px;
  background: rgba(210,169,58,.10);
  border-radius: 50%;
}
.welcome-title { font-size: 1.12rem; font-weight: 700; margin-bottom: 4px; line-height: 1.3; }
.welcome-sub   { font-size: .92rem; color: var(--gray-700); }
.welcome-meta  { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 10px; }
.welcome-badge {
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(232, 216, 159, .95);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--primary-dark);
}

/* ── Quick links ─────────────────────────────────────────── */
.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.quick-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.quick-group {
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  border: 1px solid rgba(214,224,238,.92);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.quick-group-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 14px;
  line-height: 1.35;
}

.quick-group-links {
  display: grid;
  gap: 8px;
}

.quick-group-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 0;
  border-radius: 0;
  border: 0;
  background: transparent;
  color: var(--gray-700);
  text-decoration: none;
  font-size: .88rem;
  font-weight: 600;
  line-height: 1.45;
  transition: color var(--transition), transform var(--transition);
}

.quick-group-link:hover {
  color: var(--primary);
  transform: translateX(2px);
  text-decoration: none;
}

.quick-group-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

#executive-dashboard-card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(214,224,238,.9);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

#executive-dashboard-card > .card-body {
  padding: 20px;
}

@media (max-width: 640px) {
  .quick-groups {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .quick-group {
    border-radius: var(--radius-md);
    padding: 18px;
  }

  .quick-group-link {
    min-height: auto;
    width: 100%;
    padding: 8px 0;
    font-size: .86rem;
  }

  #executive-dashboard-card {
    border-radius: var(--radius-lg);
  }

  #executive-dashboard-card > .card-body {
    padding: 20px;
  }
}

.quick-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 12px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  text-decoration: none;
  color: var(--gray-700);
  font-size: .83rem;
  font-weight: 500;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.quick-link:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--primary-light);
  text-decoration: none;
  color: var(--primary);
}
.quick-link .ql-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Login page ─────────────────────────────────────────── */
.login-page {
  min-height: 100dvh;
  background: #f7f9fc;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 0;
}

.login-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 18px 46px rgba(15, 23, 42, .08);
  padding: 28px 30px 30px;
  width: 100%;
  max-width: 440px;
  border: 1px solid #e5e7eb;
}

.login-logo {
  text-align: center;
  margin-bottom: 20px;
}

.login-logo .logo-icon {
  width: 86px;
  height: 86px;
  background: transparent;
  border: 0;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  box-shadow: none;
}

.login-logo .logo-icon img {
  width: 86px;
  height: 86px;
  object-fit: contain;
  display: block;
}

.login-logo h1,
.login-logo h2 {
  font-size: 1.45rem;
  color: var(--gray-800);
  margin-bottom: 6px;
  font-weight: 600;
}

.login-logo p {
  font-size: .9rem;
  color: var(--gray-500);
  margin-bottom: 3px;
}

.login-logo p:last-child {
  color: var(--gray-400);
  margin-bottom: 0;
}

/* ── Section divider ────────────────────────────────────── */
.section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--gray-300);
  font-size: .8rem;
}
.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

/* ── Responsive breakpoints ─────────────────────────────── */
@media (max-width: 640px) {
  .main-content { padding: calc(var(--navbar-height) + 16px) 14px 24px; }

  .page-header { flex-direction: column; align-items: stretch; }
  .page-header .btn { width: 100%; justify-content: center; }

  .modal { max-height: 95vh; border-radius: var(--radius-md); }

  .login-page {
    min-height: auto;
    padding: 18px 16px 14px;
  }

  .login-card { padding: 24px 20px; border-radius: 18px; }

  .welcome-card { padding: 22px 18px; }

  .detail-label { min-width: 120px; }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }

  .table-wrapper { font-size: .8rem; }
  th, td { padding: 9px 10px; }
}

@media (min-width: 1024px) {
  body.has-sidebar-layout .mobile-topbar {
    margin-left: 0;
    width: 100%;
    border-radius: 0;
  }
  body.has-sidebar-layout .sidebar {
    width: 270px;
    top: var(--navbar-height);
    left: 0;
    bottom: 0;
    transform: translateX(0);
    transition: transform var(--transition), opacity var(--transition);
    padding-top: 18px;
    border-top: 0;
    border-right: 1px solid var(--gray-200);
    border-bottom: 0;
    border-left: 0;
    border-radius: 0;
    box-shadow: none;
  }
  body.has-sidebar-layout .sidebar-close {
    display: none;
  }
  body.has-sidebar-layout .bottom-nav {
    display: none;
  }
  body.has-sidebar-layout .main-content {
    margin-left: 270px;
    max-width: calc(100% - 270px);
    padding: calc(var(--navbar-height) + 18px) 28px 28px;
  }
  body.has-sidebar-layout .site-footer {
    margin-left: 270px;
    max-width: calc(100% - 270px);
  }
  body.has-sidebar-layout.sidebar-collapsed .sidebar {
    transform: translateX(-120%);
    opacity: 0;
    pointer-events: none;
  }
  body.has-sidebar-layout.sidebar-collapsed .main-content {
    margin-left: 0;
    max-width: 100%;
  }
  body.has-sidebar-layout.sidebar-collapsed .site-footer {
    margin-left: 0;
    max-width: 100%;
  }
  .main-content { padding: calc(var(--navbar-height) + 18px) 24px 28px; }
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1280px) {
  .main-content { padding: calc(var(--navbar-height) + 22px) 32px 32px; }
  body.has-sidebar-layout .main-content { padding: calc(var(--navbar-height) + 22px) 36px 32px; }
  body.has-sidebar-layout .site-footer { padding: 16px 36px 24px; }
}

@media (max-width: 1023px) {
  body.has-sidebar-layout .main-content {
    max-width: 100%;
    padding-top: calc(var(--navbar-height) + 18px);
    padding-bottom: 86px;
  }
  body.has-sidebar-layout .site-footer {
    padding-bottom: calc(86px + 18px);
  }
  body.has-sidebar-layout .sidebar {
    width: min(82vw, 300px);
    top: 0;
    transform: translateX(-105%);
    transition: transform var(--transition);
  }
  body.has-sidebar-layout .sidebar.open {
    transform: translateX(0);
  }
  body.has-sidebar-layout .sidebar-close {
    display: inline-flex;
  }
  body.mobile-nav-open {
    overflow: hidden;
  }

}

/* ── Utility classes ─────────────────────────────────────── */
.d-flex  { display: flex; }
.d-grid  { display: grid; }
.d-none  { display: none !important; }
.gap-8   { gap: 8px; }
.gap-12  { gap: 12px; }
.gap-16  { gap: 16px; }
.mt-8    { margin-top: 8px; }
.mt-12   { margin-top: 12px; }
.mt-16   { margin-top: 16px; }
.mt-24   { margin-top: 24px; }
.mb-8    { margin-bottom: 8px; }
.mb-16   { margin-bottom: 16px; }
.mb-24   { margin-bottom: 24px; }
.p-0     { padding: 0; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-100  { width: 100%; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }