:root {
  --sms-primary: #0d9488;
  --sms-primary-dark: #0f766e;
  --sms-primary-light: #ccfbf1;
  --sms-sidebar-bg: #115e59;
  --sms-sidebar-bg-2: #0d9488;
  --sms-sidebar-text: #ccfbf1;
  --sms-sidebar-text-active: #ffffff;
  --sms-bg: #ffffff;
  --sms-card-border: #e5e7eb;
  --sms-text-muted: #6b7280;
  --sms-radius: 0.75rem;
}

* { box-sizing: border-box; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--sms-bg);
  color: #1f2937;
}

a { text-decoration: none; }

/* ---------- App shell ---------- */
.sms-app {
  min-height: 100vh;
  display: flex;
}

.sms-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--sms-sidebar-bg) 0%, var(--sms-sidebar-bg-2) 100%);
  color: var(--sms-sidebar-text);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  transition: margin-left .25s ease;
  z-index: 1030;
}

.sms-sidebar .brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: 1.35rem 1.25rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  border-bottom: 1px solid rgba(255,255,255,.15);
}

.sms-sidebar .brand .bi {
  font-size: 1.4rem;
  color: #5eead4;
}

.sms-sidebar .nav-section-title {
  text-transform: uppercase;
  font-size: .7rem;
  letter-spacing: .08em;
  color: #5eead4;
  padding: 1rem 1.25rem .35rem;
  font-weight: 600;
}

.sms-sidebar .nav-link {
  color: var(--sms-sidebar-text);
  padding: .55rem 1.25rem;
  border-radius: 0;
  display: flex;
  align-items: center;
  gap: .65rem;
  font-size: .92rem;
  border-left: 3px solid transparent;
}

.sms-sidebar .nav-link .bi {
  font-size: 1rem;
  width: 1.1rem;
  text-align: center;
}

.sms-sidebar .nav-link:hover {
  background: rgba(255,255,255,.12);
  color: #fff;
}

.sms-sidebar .nav-link.active {
  background: rgba(255,255,255,.18);
  color: var(--sms-sidebar-text-active);
  border-left-color: #ffffff;
  font-weight: 600;
}

.sms-sidebar .sidebar-footer {
  margin-top: auto;
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,.15);
  font-size: .8rem;
}

.sms-sidebar .sidebar-footer .role-badge {
  display: inline-block;
  background: rgba(255,255,255,.18);
  color: #fff;
  border-radius: 999px;
  padding: .15rem .6rem;
  font-size: .72rem;
  margin-bottom: .4rem;
}

/* ---------- Main content ---------- */
.sms-main {
  flex-grow: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: #ffffff;
}

.sms-topbar {
  background: #fff;
  border-bottom: 1px solid var(--sms-card-border);
  padding: .85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 1020;
}

.sms-topbar .page-title {
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0;
  color: #134e4a;
}

.sms-topbar .sidebar-toggle {
  display: none;
  border: 1px solid var(--sms-card-border);
  background: #fff;
  border-radius: .5rem;
  padding: .35rem .6rem;
  color: var(--sms-primary);
}

.sms-content {
  padding: 1.5rem;
  flex-grow: 1;
  background: #ffffff;
}

.sms-footer {
  padding: 1rem 1.5rem;
  text-align: center;
  font-size: .82rem;
  color: var(--sms-text-muted);
  border-top: 1px solid var(--sms-card-border);
  background: #fff;
}

/* ---------- Cards / panels ---------- */
.sms-card {
  background: #fff;
  border: 1px solid var(--sms-card-border);
  border-radius: var(--sms-radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 2px rgba(16,24,40,.04);
}

.sms-card h2, .sms-card h3 {
  margin-top: 0;
}

.sms-stat-card {
  background: #fff;
  border: 1px solid var(--sms-card-border);
  border-radius: var(--sms-radius);
  padding: 1.25rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 1px 2px rgba(16,24,40,.04);
}

.sms-stat-card .icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--sms-primary-light);
  color: var(--sms-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.sms-stat-card .stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #134e4a;
  line-height: 1.1;
}

.sms-stat-card .stat-label {
  font-size: .82rem;
  color: var(--sms-text-muted);
}

/* ---------- Page header ---------- */
.sms-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.25rem;
}

.sms-page-header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
  color: #134e4a;
}

.sms-page-header .text-muted-sub {
  color: var(--sms-text-muted);
  font-size: .9rem;
  margin-top: .15rem;
}

/* ---------- Buttons ---------- */
.btn-primary, .btn.btn-primary {
  background-color: var(--sms-primary);
  border-color: var(--sms-primary);
}
.btn-primary:hover, .btn.btn-primary:hover {
  background-color: var(--sms-primary-dark);
  border-color: var(--sms-primary-dark);
}
.btn-outline-primary {
  color: var(--sms-primary);
  border-color: var(--sms-primary);
}
.btn-outline-primary:hover {
  background-color: var(--sms-primary);
  border-color: var(--sms-primary);
}
.btn { border-radius: .55rem; font-weight: 500; }

/* ---------- Forms ---------- */
label, .form-label {
  font-weight: 500;
  font-size: .88rem;
  color: #374151;
}
.form-control, .form-select {
  border-radius: .55rem;
  border-color: #d1d5db;
}
.form-control:focus, .form-select:focus {
  border-color: var(--sms-primary);
  box-shadow: 0 0 0 .2rem rgba(13,148,136,.15);
}

/* ---------- Tables ---------- */
.table {
  --bs-table-hover-bg: var(--sms-primary-light);
  vertical-align: middle;
  margin-bottom: 0;
}
.table thead th {
  background: #f0fdfa;
  color: #134e4a;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  border-bottom: 2px solid var(--sms-card-border);
  white-space: nowrap;
}
.table td { font-size: .9rem; }
.table-responsive { border-radius: .6rem; overflow: hidden; }

.avatar-thumb {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--sms-card-border);
}

.profile-photo {
  width: 130px;
  height: 130px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid var(--sms-card-border);
}

/* Kept colorful/varied on purpose so the app doesn't look flat/monochrome */
.badge-status-active { background: #dcfce7; color: #166534; }
.badge-status-inactive { background: #fee2e2; color: #991b1b; }
.badge-status-present { background: #dcfce7; color: #166534; }
.badge-status-absent { background: #fee2e2; color: #991b1b; }
.badge-status-leave { background: #fef9c3; color: #854d0e; }
.badge-status-holiday { background: #ccfbf1; color: #0f766e; }

/* ---------- Auth / login page ---------- */
.sms-auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  padding: 1.5rem;
}

.sms-auth-card {
  background: #fff;
  border-top: 5px solid var(--sms-primary);
  border-radius: 1rem;
  padding: 2rem;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 20px 45px rgba(13,148,136,.18);
}

.sms-auth-card .brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: #134e4a;
  margin-bottom: .25rem;
}

.sms-auth-card .brand .bi { color: var(--sms-primary); font-size: 1.5rem; }

/* Empty state */
.sms-empty {
  text-align: center;
  padding: 2.25rem 1rem;
  color: var(--sms-text-muted);
}
.sms-empty .bi { font-size: 2rem; color: #5eead4; display: block; margin-bottom: .5rem; }

@media (max-width: 900px) {
  .sms-sidebar { position: fixed; left: 0; margin-left: -260px; }
  .sms-sidebar.open { margin-left: 0; }
  .sms-topbar .sidebar-toggle { display: inline-flex; }
  .sms-content { padding: 1rem; }
}