:root {
  --brand: #643c9c;
  --brand-dark: #4d2f79;
  --brand-light: #f1ecfa;
  --ink: #21232b;
  --muted: #6b7280;
  --border: #e7e5ec;
  --bg: #f4f3f7;
  --surface: #ffffff;
  --amber: #b8860b;
  --amber-bright: #e0a91a;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(20, 15, 35, 0.05);
  --shadow-md: 0 10px 30px rgba(20, 15, 35, 0.08);
}

html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  -webkit-font-smoothing: antialiased;
}

main h1, main h2, main h3 {
  color: var(--ink);
  letter-spacing: -0.01em;
}

main h1.h3 {
  font-weight: 700;
}

a {
  color: var(--brand);
}

a:hover {
  color: var(--brand-dark);
}

.text-muted {
  color: var(--muted) !important;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem #fff, 0 0 0 0.25rem rgba(100, 60, 156, 0.35);
}

.form-control:focus {
  border-color: var(--brand);
}

.form-check-input:checked {
  background-color: var(--brand);
  border-color: var(--brand);
}

/* Buttons */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.btn-dark {
  background-color: var(--brand);
  border-color: var(--brand);
}

.btn-dark:hover, .btn-dark:focus {
  background-color: var(--brand-dark);
  border-color: var(--brand-dark);
}

.btn-outline-secondary {
  color: var(--ink);
  border-color: var(--border);
}

.btn-outline-secondary:hover {
  background-color: var(--brand-light);
  border-color: var(--brand);
  color: var(--brand-dark);
}

.btn-outline-secondary.active {
  background-color: var(--brand) !important;
  border-color: var(--brand) !important;
  color: #fff !important;
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.55);
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}

/* Alerts */
.alert {
  border: 1px solid transparent;
  border-radius: var(--radius-md);
}

.alert-info {
  background-color: #eef2fb;
  color: #33436b;
}

.alert-success {
  background-color: #eaf7ee;
  color: #1e5c33;
}

.alert-danger {
  background-color: #fbebec;
  color: #7a1f27;
}

.alert-warning {
  background-color: #fdf3e0;
  color: #7a5307;
}

/* App shell */
main {
  padding-top: 0.5rem;
  padding-bottom: 3rem;
}

.page-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 576px) {
  .page-panel {
    padding: 1.25rem;
    border-radius: var(--radius-md);
  }
}

/* App nav */
.navbar.app-nav {
  background: linear-gradient(180deg, var(--brand) 0%, var(--brand-dark) 100%) !important;
  box-shadow: var(--shadow-md);
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  gap: 0.65rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.brand-logo img {
  height: 40px;
  width: auto;
  display: block;
}

.navbar.app-nav .navbar-brand,
.navbar.app-nav .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
}

.navbar.app-nav .navbar-brand {
  color: #fff !important;
}

.navbar.app-nav .nav-link {
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem !important;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.navbar.app-nav .nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff !important;
}

.navbar.app-nav .nav-link.active {
  background-color: rgba(255, 255, 255, 0.16);
  color: #fff !important;
  font-weight: 600;
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.4);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Login page */
.login-body {
  background: radial-gradient(circle at 30% 20%, #3a2a5c 0%, var(--ink) 60%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.25rem;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}

.login-logo {
  display: block;
  height: 63px;
  width: auto;
  margin: 0 auto 1.25rem;
}

.login-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  letter-spacing: 0.02em;
  text-align: center;
}

.login-card .subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Show picker */
.show-pill {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  margin: 0.2rem 0.35rem 0.2rem 0;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.9rem;
  transition: all 0.15s ease;
}

@media (max-width: 640px) {
  .show-picker {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.35rem;
    margin-left: -1.25rem;
    margin-right: -1.25rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .show-picker .show-pill {
    flex: 0 0 auto;
  }
}

.show-pill:hover {
  border-color: var(--brand);
  color: var(--brand-dark);
}

.show-pill.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

/* Role badges */
.role-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.role-badge-admin {
  background: var(--brand);
  color: #fff;
}

.role-badge-manager {
  background: var(--brand-light);
  color: var(--brand-dark);
}

.role-badge-viewer {
  background: #eef0f2;
  color: var(--muted);
}

/* Schedule table */
.schedule-table-wrap {
  overflow-x: auto;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

table.schedule-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9rem;
  white-space: nowrap;
}

table.schedule-table th, table.schedule-table td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid #f1f0f4;
}

table.schedule-table tbody tr:hover td {
  background: var(--brand-light);
}

table.schedule-table thead th {
  position: sticky;
  top: 0;
  background: #ece9f0;
  border-bottom: 2px solid var(--border);
  text-align: left;
  z-index: 1;
  font-weight: 600;
  color: var(--ink);
}

table.schedule-table td.date-col, table.schedule-table th.date-col {
  position: sticky;
  left: 0;
  background: #fff;
  z-index: 1;
  font-weight: 600;
}

table.schedule-table tbody tr:hover td.date-col {
  background: var(--brand-light);
}

table.schedule-table thead th.date-col {
  z-index: 2;
  background: #ece9f0;
}

table.schedule-table tr.week-start td {
  border-top: 2px solid var(--border);
}

table.schedule-table tr.dark-row td.assign {
  color: #b7b7b7;
  font-style: italic;
}

table.schedule-table td.assign.head {
  font-weight: 600;
  color: var(--brand-dark);
}

table.schedule-table td.assign.pending {
  font-weight: 700;
  color: #c0392b;
}

table.schedule-table td.assign.empty {
  color: #d8d8d8;
}

@media (max-width: 640px) {
  .schedule-table-wrap {
    overflow-x: visible;
    border: none;
    border-radius: 0;
  }

  table.schedule-table,
  table.schedule-table thead,
  table.schedule-table tbody,
  table.schedule-table tr,
  table.schedule-table th,
  table.schedule-table td {
    display: block;
    white-space: normal;
  }

  table.schedule-table thead {
    display: none;
  }

  table.schedule-table tbody tr {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    margin-bottom: 0.75rem;
    padding: 0 0.9rem;
  }

  table.schedule-table tbody tr.week-start {
    border-top: 1px solid var(--border) !important;
    margin-top: 1rem;
  }

  table.schedule-table tbody tr.dark-row {
    opacity: 0.65;
  }

  table.schedule-table td {
    border-right: none;
    border-bottom: 1px solid #f1f0f4;
    padding: 0.55rem 0;
  }

  table.schedule-table td:last-child {
    border-bottom: none;
  }

  table.schedule-table td.date-col {
    position: static;
    font-size: 1rem;
    font-weight: 700;
    background: transparent;
  }

  table.schedule-table td.assign {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  table.schedule-table td.assign::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--muted);
    font-size: 0.78rem;
    text-transform: capitalize;
    letter-spacing: 0.03em;
  }
}

.badge-head {
  display: inline-block;
  margin-left: 0.25rem;
  font-size: 0.65rem;
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: 3px;
  padding: 0 0.3rem;
  vertical-align: middle;
}

/* Admin tables */
.table {
  --bs-table-hover-bg: var(--brand-light);
}

.table > :not(caption) > * > * {
  border-bottom-color: var(--border);
}

.table thead th {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: capitalize;
  letter-spacing: 0.03em;
  border-bottom: 2px solid var(--border) !important;
}

@media (max-width: 640px) {
  table.users-table,
  table.users-table thead,
  table.users-table tbody,
  table.users-table tr,
  table.users-table th,
  table.users-table td,
  table.audit-table,
  table.audit-table thead,
  table.audit-table tbody,
  table.audit-table tr,
  table.audit-table th,
  table.audit-table td {
    display: block;
  }

  table.users-table thead,
  table.audit-table thead {
    display: none;
  }

  table.users-table tbody tr,
  table.audit-table tbody tr {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 0.75rem;
    padding: 0 0.9rem;
  }

  table.users-table td,
  table.audit-table td {
    border-bottom: 1px solid #f1f0f4;
    padding: 0.55rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  table.users-table td:last-child,
  table.audit-table td:last-child {
    border-bottom: none;
  }

  table.users-table td[data-label]::before,
  table.audit-table td[data-label]::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--muted);
    font-size: 0.78rem;
    text-transform: capitalize;
    letter-spacing: 0.03em;
    flex-shrink: 0;
  }

  table.users-table td.users-table-manage {
    justify-content: flex-end;
  }

  table.audit-table td[data-label="Details"] {
    flex-direction: column;
    align-items: flex-start;
  }
}