/* ============================================================
   WarriorFit — Modern UI Theme
   ============================================================ */

/* ---- Design Tokens ---- */
:root {
  --wf-primary:       #1a3a5c;
  --wf-primary-mid:   #2c5282;
  --wf-primary-light: #3b6cb7;
  --wf-accent:        #f6a623;
  --wf-accent-dark:   #d4891a;
  --wf-success:       #2d8a5e;
  --wf-success-light: #38a169;
  --wf-danger:        #c0392b;
  --wf-danger-light:  #e53e3e;
  --wf-warning:       #c6850a;
  --wf-info:          #2b6cb0;
  --wf-bg:            #f0f4f8;
  --wf-card-bg:       #ffffff;
  --wf-text:          #1a202c;
  --wf-text-muted:    #718096;
  --wf-border:        #e2e8f0;
  --wf-shadow:        0 1px 3px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --wf-shadow-md:     0 4px 14px rgba(0,0,0,0.10), 0 2px 4px rgba(0,0,0,0.06);
  --wf-shadow-lg:     0 12px 36px rgba(0,0,0,0.14), 0 4px 10px rgba(0,0,0,0.08);
  --wf-radius:        10px;
  --wf-radius-sm:     6px;
  --wf-radius-lg:     16px;
  --wf-ease:          0.18s ease;
}

/* ============================================================
   Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

body {
  background-color: var(--wf-bg) !important;
  color: var(--wf-text) !important;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
  font-size: 0.9rem;
  line-height: 1.55;
}

/* ============================================================
   Navbar
   ============================================================ */
.navbar,
.bslib-page-navbar > .navbar {
  background: linear-gradient(130deg, #0f2237 0%, var(--wf-primary) 55%, var(--wf-primary-mid) 100%) !important;
  box-shadow: 0 2px 14px rgba(0,0,0,0.25) !important;
  border-bottom: 2px solid var(--wf-accent) !important;
  padding: 0 1.4rem !important;
  height: 52px !important;
  min-height: 52px !important;
  max-height: 52px !important;
  overflow: visible !important;
  flex-wrap: nowrap !important;
}

/* Prevent the inner collapse row from ever wrapping */
.navbar .navbar-collapse,
.navbar > .container,
.navbar > .container-fluid {
  flex-wrap: nowrap !important;
  overflow: visible;
}
.navbar .navbar-nav {
  flex-wrap: nowrap !important;
  align-items: center;
  height: 52px;
}
/* Nav controls row (right side) must also not wrap */
.navbar .navbar-nav.ms-auto,
.navbar .nav-item {
  flex-shrink: 0;
}

.navbar-brand {
  font-weight: 700 !important;
  font-size: 1.15rem !important;
  color: #ffffff !important;
  letter-spacing: 0.03em;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* Nav links */
.navbar .nav-link,
.bslib-page-navbar .nav-link {
  color: rgba(255,255,255,0.82) !important;
  font-weight: 500 !important;
  font-size: 0.84rem !important;
  padding: 0.3rem 0.85rem !important;
  border-radius: var(--wf-radius-sm) !important;
  transition: color var(--wf-ease), background var(--wf-ease) !important;
  letter-spacing: 0.01em;
  white-space: nowrap;
  line-height: 1.4;
}
.navbar .nav-link:hover,
.navbar .nav-link.active,
.bslib-page-navbar .nav-link:hover,
.bslib-page-navbar .nav-link.active {
  color: #ffffff !important;
  background: rgba(255,255,255,0.14) !important;
}

/* Dropdown menus */
.navbar .dropdown-menu,
.bslib-page-navbar .dropdown-menu {
  background: #0f2237 !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  border-radius: var(--wf-radius) !important;
  box-shadow: var(--wf-shadow-md) !important;
  padding: 0.35rem 0 !important;
  min-width: 210px;
}
.navbar .dropdown-item,
.bslib-page-navbar .dropdown-item {
  color: rgba(255,255,255,0.82) !important;
  font-size: 0.84rem;
  padding: 0.5rem 1.1rem;
  transition: background var(--wf-ease), color var(--wf-ease);
}
.navbar .dropdown-item:hover,
.bslib-page-navbar .dropdown-item:hover {
  background: rgba(255,255,255,0.14) !important;
  color: #ffffff !important;
}
.navbar .dropdown-divider { border-color: rgba(255,255,255,0.1) !important; }

/* ============================================================
   Cards
   ============================================================ */
.card {
  border: 1px solid var(--wf-border) !important;
  border-radius: var(--wf-radius) !important;
  box-shadow: var(--wf-shadow) !important;
  background: var(--wf-card-bg) !important;
  transition: box-shadow var(--wf-ease), transform var(--wf-ease);
  overflow: hidden;
  margin-bottom: 1rem;
}
.card:hover { box-shadow: var(--wf-shadow-md) !important; }

.card-header {
  border-bottom: 1px solid var(--wf-border) !important;
  padding: 0.8rem 1.1rem !important;
  font-weight: 600 !important;
  font-size: 0.88rem !important;
  letter-spacing: 0.01em;
  background: var(--wf-card-bg) !important;
}

/* Coloured card headers */
.card-header.bg-primary,
.card-header.bg-primary.text-white {
  background: linear-gradient(130deg, #0f2237 0%, var(--wf-primary) 100%) !important;
  color: #fff !important;
  border-bottom: none !important;
}
.card-header.bg-secondary,
.card-header.bg-secondary.text-white {
  background: linear-gradient(130deg, #2d3748 0%, #4a5568 100%) !important;
  color: #fff !important;
  border-bottom: none !important;
}
.card-header.bg-success,
.card-header.bg-success.text-white {
  background: linear-gradient(130deg, #1a5e3a 0%, var(--wf-success-light) 100%) !important;
  color: #fff !important;
  border-bottom: none !important;
}
.card-header.bg-info,
.card-header.bg-info.text-white {
  background: linear-gradient(130deg, #1a3a6a 0%, var(--wf-info) 100%) !important;
  color: #fff !important;
  border-bottom: none !important;
}
.card-header.bg-danger,
.card-header.bg-danger.text-white {
  background: linear-gradient(130deg, #7b1c14 0%, var(--wf-danger-light) 100%) !important;
  color: #fff !important;
  border-bottom: none !important;
}
.card-header.bg-warning,
.card-header.bg-warning.text-white {
  background: linear-gradient(130deg, #7d4e00 0%, var(--wf-accent) 100%) !important;
  color: #fff !important;
  border-bottom: none !important;
}
.card-header.bg-white { background: var(--wf-card-bg) !important; }

.card-body { padding: 1.1rem 1.2rem !important; }
.card-footer {
  border-top: 1px solid var(--wf-border) !important;
  padding: 0.75rem 1.1rem !important;
  background: #f9fbfd !important;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  border-radius: var(--wf-radius-sm) !important;
  font-weight: 500 !important;
  font-size: 0.84rem !important;
  padding: 0.45rem 1rem !important;
  transition: all var(--wf-ease) !important;
  letter-spacing: 0.02em;
  border: none !important;
}
.btn:focus { outline: none !important; box-shadow: 0 0 0 3px rgba(26,58,92,0.2) !important; }

.btn-primary {
  background: linear-gradient(130deg, var(--wf-primary) 0%, var(--wf-primary-mid) 100%) !important;
  color: #fff !important;
  box-shadow: 0 2px 6px rgba(26,58,92,0.28) !important;
}
.btn-primary:hover {
  background: linear-gradient(130deg, #0f2237 0%, var(--wf-primary) 100%) !important;
  box-shadow: 0 4px 12px rgba(26,58,92,0.38) !important;
  transform: translateY(-1px);
  color: #fff !important;
}

.btn-secondary {
  background: #4a5568 !important;
  color: #fff !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.12) !important;
}
.btn-secondary:hover { background: #2d3748 !important; transform: translateY(-1px); color: #fff !important; }

.btn-success {
  background: linear-gradient(130deg, #1a5e3a 0%, var(--wf-success-light) 100%) !important;
  color: #fff !important;
  box-shadow: 0 2px 6px rgba(45,138,94,0.28) !important;
}
.btn-success:hover { transform: translateY(-1px); box-shadow: 0 4px 10px rgba(45,138,94,0.35) !important; }

.btn-danger {
  background: linear-gradient(130deg, #7b1c14 0%, var(--wf-danger-light) 100%) !important;
  color: #fff !important;
  box-shadow: 0 2px 6px rgba(192,57,43,0.28) !important;
}
.btn-danger:hover { transform: translateY(-1px); box-shadow: 0 4px 10px rgba(192,57,43,0.35) !important; }

.btn-warning {
  background: linear-gradient(130deg, var(--wf-warning) 0%, var(--wf-accent) 100%) !important;
  color: #fff !important;
}
.btn-warning:hover { transform: translateY(-1px); }

.btn-info {
  background: linear-gradient(130deg, var(--wf-info) 0%, var(--wf-primary-light) 100%) !important;
  color: #fff !important;
}
.btn-info:hover { transform: translateY(-1px); }

.btn-outline-secondary {
  border: 1.5px solid var(--wf-border) !important;
  color: var(--wf-text-muted) !important;
  background: transparent !important;
  box-shadow: none !important;
}
.btn-outline-secondary:hover {
  background: var(--wf-bg) !important;
  color: var(--wf-text) !important;
  border-color: #cbd5e0 !important;
}

.btn-outline-primary {
  border: 1.5px solid var(--wf-primary) !important;
  color: var(--wf-primary) !important;
  background: transparent !important;
}
.btn-outline-primary:hover {
  background: var(--wf-primary) !important;
  color: #fff !important;
}

.btn-sm { padding: 0.3rem 0.75rem !important; font-size: 0.78rem !important; }
.btn-lg { padding: 0.6rem 1.4rem !important; font-size: 0.95rem !important; }

/* Full-width helper retained from original */
.btn.w-100 { display: block; }

/* ============================================================
   Forms
   ============================================================ */
.form-control,
.form-select,
.selectize-input {
  border: 1.5px solid var(--wf-border) !important;
  border-radius: var(--wf-radius-sm) !important;
  font-size: 0.875rem !important;
  padding: 0.5rem 0.875rem !important;
  background: #fff !important;
  color: var(--wf-text) !important;
  transition: border-color var(--wf-ease), box-shadow var(--wf-ease) !important;
}
.form-control:focus,
.form-select:focus,
.selectize-input.focus {
  border-color: var(--wf-primary-light) !important;
  box-shadow: 0 0 0 3px rgba(44,82,130,0.15) !important;
  outline: none !important;
}
.form-label {
  font-weight: 500 !important;
  font-size: 0.78rem !important;
  color: var(--wf-text-muted) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.06em !important;
  margin-bottom: 0.35rem !important;
}
.form-text { font-size: 0.78rem !important; color: var(--wf-text-muted) !important; }
.input-group .btn { border-radius: 0 var(--wf-radius-sm) var(--wf-radius-sm) 0 !important; }
.form-check-input:checked {
  background-color: var(--wf-primary) !important;
  border-color: var(--wf-primary) !important;
}

/* ============================================================
   Tables
   ============================================================ */
.table {
  font-size: 0.84rem;
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
}
.table thead th {
  background: var(--wf-primary) !important;
  color: #fff !important;
  font-weight: 600;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.7rem 0.9rem !important;
  border: none !important;
  white-space: nowrap;
}
.table tbody tr { transition: background var(--wf-ease); }
.table tbody tr:hover { background: #edf2f7 !important; }
.table tbody td {
  padding: 0.6rem 0.9rem !important;
  border-bottom: 1px solid var(--wf-border) !important;
  vertical-align: middle;
  border-top: none !important;
}
.table-striped tbody tr:nth-child(odd) { background: #f9fbfd; }

/* Shiny DataGrid */
.shiny-data-grid-grid,
.shiny-data-grid-table,
.shiny-html-output .dataTable {
  border-radius: var(--wf-radius) !important;
  box-shadow: var(--wf-shadow) !important;
}

/* Cap DataGrids to ~20 rows then scroll */
.shiny-data-grid {
  max-height: 680px !important;
  overflow: auto !important;
}
.shiny-data-grid .shiny-data-grid-grid {
  max-height: 680px !important;
  overflow-x: auto !important;
  overflow-y: auto !important;
}

/* ============================================================
   Hero / Welcome Banner
   ============================================================ */
.wf-hero {
  background: linear-gradient(130deg, #0f2237 0%, var(--wf-primary) 55%, var(--wf-primary-mid) 100%);
  color: #fff !important;
  border-radius: var(--wf-radius-lg) !important;
  padding: 3rem 2rem !important;
  box-shadow: var(--wf-shadow-md);
  position: relative;
  overflow: hidden;
}
.wf-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(246,166,35,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.wf-hero h1,
.wf-hero .display-4 { color: #fff !important; text-shadow: 0 1px 4px rgba(0,0,0,0.3); }
.wf-hero p,
.wf-hero .lead { color: rgba(255,255,255,0.82) !important; }
.wf-hero img { border-radius: var(--wf-radius) !important; margin-top: 1.5rem; max-height: 280px; object-fit: cover; }

/* Legacy class used on welcome page — remap to hero look */
.bg-light.rounded-3 {
  background: linear-gradient(130deg, #0f2237 0%, var(--wf-primary) 55%, var(--wf-primary-mid) 100%) !important;
  border-radius: var(--wf-radius-lg) !important;
}
.bg-light.rounded-3 h1,
.bg-light.rounded-3 .display-4 { color: #fff !important; }
.bg-light.rounded-3 p,
.bg-light.rounded-3 .lead,
.bg-light.rounded-3 .text-muted { color: rgba(255,255,255,0.78) !important; }

/* ============================================================
   Stat Value (dashboard cards)
   ============================================================ */
.display-4 {
  font-size: 2.4rem !important;
  font-weight: 700 !important;
  line-height: 1.1 !important;
}
.wf-stat-value {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--wf-primary);
  line-height: 1;
}

/* ============================================================
   Page Layout
   ============================================================ */
.container-fluid {
  padding: 1.4rem 1.75rem !important;
}
.bslib-page-navbar > .tab-content > .tab-pane.active {
  padding: 1.2rem 1.5rem !important;
}

/* ============================================================
   Badges
   ============================================================ */
.badge {
  border-radius: 20px !important;
  padding: 0.32em 0.75em !important;
  font-weight: 500 !important;
  font-size: 0.74rem !important;
}
.bg-primary  { background-color: var(--wf-primary) !important; }
.bg-success  { background-color: var(--wf-success-light) !important; }
.bg-danger   { background-color: var(--wf-danger-light) !important; }
.bg-warning  { background-color: var(--wf-accent) !important; }
.bg-info     { background-color: var(--wf-info) !important; }

/* ============================================================
   Alerts
   ============================================================ */
.alert {
  border-radius: var(--wf-radius) !important;
  border: none !important;
  font-size: 0.875rem;
  box-shadow: var(--wf-shadow);
}
.alert-danger  { background: #fff5f5 !important; color: #742a2a !important; border-left: 4px solid var(--wf-danger-light) !important; }
.alert-success { background: #f0fff4 !important; color: #1a4731 !important; border-left: 4px solid var(--wf-success-light) !important; }
.alert-warning { background: #fffbf0 !important; color: #744210 !important; border-left: 4px solid var(--wf-accent) !important; }
.alert-info    { background: #ebf8ff !important; color: #1a365d !important; border-left: 4px solid var(--wf-info) !important; }

/* ============================================================
   Modal
   ============================================================ */
.modal-content {
  border-radius: var(--wf-radius-lg) !important;
  border: none !important;
  box-shadow: var(--wf-shadow-lg) !important;
  overflow: hidden;
}
.modal-header {
  background: linear-gradient(130deg, #0f2237 0%, var(--wf-primary) 100%);
  color: #fff;
  border-bottom: none !important;
  padding: 1.2rem 1.5rem !important;
}
.modal-header .modal-title { font-weight: 600; font-size: 1rem; color: #fff; }
.modal-header .btn-close { filter: invert(1) brightness(1.4); }
.modal-body { padding: 1.5rem !important; }
.modal-footer {
  border-top: 1px solid var(--wf-border) !important;
  padding: 0.9rem 1.5rem !important;
  background: #f9fbfd !important;
}


/* Login modal specific */
.modal .modal-body h2 {
  color: var(--wf-primary);
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}
.wf-login-card {
  background: #fff;
  border-radius: var(--wf-radius-lg);
  padding: 2rem;
  box-shadow: var(--wf-shadow-md);
  max-width: 380px;
  margin: 0 auto;
  text-align: center;
}
.wf-login-card .form-label {
  display: block;
  text-align: left;
}
.wf-login-card .shiny-input-container {
  text-align: left;
}
.wf-login-logo {
  font-size: 2rem;
  font-weight: 800;
  color: var(--wf-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.wf-login-subtitle {
  color: var(--wf-text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

/* ============================================================
   Reservation Overlay (custom div-modal, Reserve Room page)
   ============================================================ */
.wf-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(15, 34, 55, 0.55);
  backdrop-filter: blur(2px);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.wf-overlay-panel {
  background: var(--wf-card-bg);
  border-radius: var(--wf-radius-lg);
  box-shadow: var(--wf-shadow-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.wf-overlay-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.4rem;
  background: linear-gradient(130deg, #0f2237 0%, var(--wf-primary) 100%);
  border-radius: var(--wf-radius-lg) var(--wf-radius-lg) 0 0;
}
.wf-overlay-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.wf-overlay-body {
  padding: 1.4rem;
  overflow-y: auto;
}

.wf-overlay-close {
  background: rgba(255,255,255,0.15) !important;
  border: 1px solid rgba(255,255,255,0.25) !important;
  color: #fff !important;
  border-radius: var(--wf-radius-sm) !important;
  font-size: 0.9rem !important;
  padding: 0.2rem 0.55rem !important;
  line-height: 1.4;
  cursor: pointer;
  transition: background var(--wf-ease) !important;
}
.wf-overlay-close:hover {
  background: rgba(255,255,255,0.28) !important;
}

/* ============================================================
   Calendar (Reserve Room)
   ============================================================ */
.calendar-container {
  background: var(--wf-card-bg);
  padding: 1.5rem !important;
  border-radius: var(--wf-radius-lg) !important;
  box-shadow: var(--wf-shadow) !important;
}
.calendar-table { width: 100%; border-collapse: collapse; }
.calendar-table th {
  background: linear-gradient(130deg, #0f2237 0%, var(--wf-primary) 100%) !important;
  color: #fff !important;
  padding: 0.75rem !important;
  text-align: center;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: none !important;
}
.calendar-table td {
  border: 1px solid var(--wf-border);
  padding: 0.5rem;
  height: 90px;
  vertical-align: top;
  cursor: pointer;
  transition: background var(--wf-ease);
}
.calendar-table td:hover  { background: #edf2f7 !important; }
.calendar-table td.today  { background: #ebf8ff !important; border-color: var(--wf-info) !important; }
.calendar-table td.selected { background: #e6f0ff !important; border-color: var(--wf-primary-light) !important; }
.calendar-table td.other-month { background: #f9fbfd; color: #b0bec5; }

.room-card {
  border: 2px solid var(--wf-border);
  border-radius: var(--wf-radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: var(--wf-card-bg);
  transition: all var(--wf-ease);
  cursor: pointer;
}
.room-card:hover { border-color: var(--wf-primary-light); box-shadow: var(--wf-shadow); }
.room-card.selected { border-color: var(--wf-primary); background: #e6f0ff; }

.reservation-card {
  background: var(--wf-card-bg);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
  transition: box-shadow var(--wf-ease);
}
.reservation-card:hover { box-shadow: var(--wf-shadow); }

.calendar-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.calendar-month { font-size: 1.15rem; font-weight: 700; color: var(--wf-primary); }
.day-number { font-size: 0.82rem; font-weight: 600; color: var(--wf-text-muted); display: block; margin-bottom: 0.25rem; }
.reservation-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; margin: 1px 2px; }
.reservation-badge { font-size: 0.7rem; border-radius: 4px; padding: 1px 5px; display: inline-block; margin: 1px; }

/* Room colour palette */
.room-color-1 { background-color: #3b82f6; }
.room-color-2 { background-color: #10b981; }
.room-color-3 { background-color: #f59e0b; }
.room-color-4 { background-color: #8b5cf6; }

/* ============================================================
   Calendar Panel (full-screen overlay from app.py)
   ============================================================ */
.wf-calendar-panel {
  background: var(--wf-card-bg);
  border-radius: var(--wf-radius-lg);
  box-shadow: var(--wf-shadow-md);
  overflow: hidden;
  margin-bottom: 1.25rem;
}
.wf-calendar-panel-header {
  background: linear-gradient(130deg, #0f2237 0%, var(--wf-primary) 100%);
  color: #fff;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.wf-calendar-panel-header h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  flex: 1;
}
.wf-calendar-panel-body { padding: 1.25rem 1.5rem; }

/* ============================================================
   Section headings (h2/h3 within pages)
   ============================================================ */
.tab-pane h2, .tab-pane > div > h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--wf-primary);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.tab-pane h3, .tab-pane > div > h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--wf-primary);
}

/* ============================================================
   Horizontal rule
   ============================================================ */
hr { border-color: var(--wf-border) !important; margin: 1rem 0 !important; }

/* ============================================================
   Utility overrides
   ============================================================ */
.text-primary  { color: var(--wf-primary) !important; }
.text-success  { color: var(--wf-success-light) !important; }
.text-danger   { color: var(--wf-danger-light) !important; }
.text-warning  { color: var(--wf-accent) !important; }
.text-info     { color: var(--wf-info) !important; }
.text-muted    { color: var(--wf-text-muted) !important; }
.bg-light      { background-color: var(--wf-bg) !important; }
.shadow-sm     { box-shadow: var(--wf-shadow) !important; }
.shadow        { box-shadow: var(--wf-shadow-md) !important; }
.rounded-3     { border-radius: var(--wf-radius) !important; }
.rounded-pill  { border-radius: 999px !important; }

/* ============================================================
   Sidebar Form (User Management & similar)
   ============================================================ */

/* Section divider label */
.wf-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--wf-text-muted);
  border-bottom: 1px solid var(--wf-border);
  padding-bottom: 0.35rem;
  margin-bottom: 0.75rem;
}

/* Section block inside the sidebar card */
.wf-sidebar-section {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--wf-border);
}
.wf-sidebar-section:last-of-type { border-bottom: none; }

/* Tighten form fields inside sidebar */
.wf-sidebar-section .shiny-input-container {
  margin-bottom: 0.65rem !important;
}
.wf-sidebar-section .shiny-input-container:last-child {
  margin-bottom: 0 !important;
}

/* Status bar at the bottom of the sidebar */
.wf-status-bar {
  padding: 0.55rem 1.25rem;
  background: #f9fbfd;
  border-top: 1px solid var(--wf-border);
  font-size: 0.8rem;
  color: var(--wf-text-muted);
  font-style: italic;
  min-height: 2rem;
}

/* Serial Number — highlighted lookup field */
.wf-serial-input .form-control {
  border: 2px solid var(--wf-primary-light) !important;
  background: #eef4ff !important;
  font-weight: 600 !important;
  color: var(--wf-primary) !important;
  letter-spacing: 0.04em;
}
.wf-serial-input .form-control:focus {
  border-color: var(--wf-primary) !important;
  background: #e0ecff !important;
  box-shadow: 0 0 0 3px rgba(44,82,130,0.18) !important;
}

/* Selected-user hint */
.wf-selected-hint {
  padding: 0.35rem 1.25rem 0.5rem;
  font-size: 0.78rem;
  color: var(--wf-primary);
  font-weight: 500;
  min-height: 1.5rem;
}

/* ============================================================
   Week Calendar (Room Booking)
   ============================================================ */
.week-calendar {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}
.week-calendar th {
  background: linear-gradient(130deg, #0f2237 0%, var(--wf-primary) 100%) !important;
  color: #fff !important;
  padding: 0.65rem 0.4rem;
  text-align: center;
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.week-calendar td {
  border: 1px solid var(--wf-border);
  padding: 2px;
  height: 58px;
  vertical-align: top;
  position: relative;
}
.week-calendar td.time-label {
  background: #f9fbfd;
  font-weight: 600;
  text-align: center;
  width: 80px;
  padding: 0.4rem;
  color: var(--wf-text-muted);
  font-size: 0.78rem;
}
.week-calendar td.day-cell {
  cursor: pointer;
  background: #fff;
  transition: background var(--wf-ease);
}
.week-calendar td.day-cell:hover { background: #edf2f7 !important; }
.week-calendar td.day-cell.past { background: #f9fbfd; }
.week-header-date { font-size: 0.73rem; display: block; color: rgba(255,255,255,0.65); }

.reservation-block {
  position: absolute;
  left: 2px;
  right: 2px;
  border-radius: var(--wf-radius-sm);
  padding: 3px 5px;
  font-size: 0.72rem;
  overflow: hidden;
  cursor: pointer;
  border-left: 3px solid;
  transition: opacity var(--wf-ease);
}
.reservation-block:hover { opacity: 0.8; }
.reservation-block.room-1 { background: #fecaca; border-color: #ef4444; color: #7f1d1d; }
.reservation-block.room-2 { background: #bfdbfe; border-color: #3b82f6; color: #1e3a8a; }
.reservation-block.room-3 { background: #bbf7d0; border-color: #10b981; color: #064e3b; }
.reservation-block.room-4 { background: #fed7aa; border-color: #f59e0b; color: #78350f; }

/* ============================================================
   Scrollbar (subtle)
   ============================================================ */
::-webkit-scrollbar              { width: 5px; height: 5px; }
::-webkit-scrollbar-track        { background: transparent; }
::-webkit-scrollbar-thumb        { background: #cbd5e0; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover  { background: #a0aec0; }

/* ============================================================
   Shiny-specific polish
   ============================================================ */
/* Shiny notification toast */
.shiny-notification {
  border-radius: var(--wf-radius) !important;
  box-shadow: var(--wf-shadow-md) !important;
  border: none !important;
}

/* Loading spinner position */
.shiny-busy-indicator-bar { background-color: var(--wf-accent) !important; }

/* DataGrid filter row */
.shiny-data-grid-grid thead input {
  border-radius: var(--wf-radius-sm) !important;
  border: 1px solid var(--wf-border) !important;
  font-size: 0.78rem !important;
  padding: 0.3rem 0.5rem !important;
}

/* ============================================================
   Responsive
   ============================================================ */

/* Tablet: stack side-by-side layouts into single column */
@media (max-width: 992px) {
  /* Force layout_columns to stack vertically */
  .bslib-grid {
    grid-template-columns: 1fr !important;
  }

  /* Bootstrap row columns: full width on tablet */
  .row > [class*="col-lg-"],
  .row > [class*="col-md-"] {
    flex: 0 0 100% !important;
    max-width: 100% !important;
  }

  /* Sidebar: stack above content */
  .bslib-sidebar-layout {
    grid-template-columns: 1fr !important;
  }
  .bslib-sidebar-layout > .sidebar {
    width: 100% !important;
    max-width: 100% !important;
  }

  /* --- Navbar: collapse into hamburger on tablet and below --- */
  .navbar,
  .bslib-page-navbar > .navbar {
    height: auto !important;
    min-height: 52px !important;
    max-height: none !important;
    flex-wrap: wrap !important;
  }
  .navbar .navbar-collapse,
  .navbar > .container,
  .navbar > .container-fluid {
    flex-wrap: wrap !important;
  }
  /* Override Bootstrap navbar-expand-md: force collapse at 992px */
  .navbar.navbar-expand-md .navbar-collapse {
    display: none !important;
    flex-basis: 100% !important;
    order: 2;
  }
  .navbar.navbar-expand-md .navbar-collapse.show,
  .navbar.navbar-expand-md .navbar-collapse.collapsing {
    display: flex !important;
    flex-direction: column;
  }
  .navbar.navbar-expand-md .navbar-toggler {
    display: flex !important;
  }
  .navbar .navbar-nav {
    flex-wrap: wrap !important;
    flex-direction: column !important;
    width: 100%;
    height: auto !important;
    padding: 0.5rem 0;
  }
  .navbar .navbar-nav .nav-item {
    flex-shrink: 1 !important;
    width: 100%;
  }
  .navbar .nav-link,
  .bslib-page-navbar .nav-link {
    padding: 0.5rem 0.85rem !important;
    font-size: 0.84rem !important;
  }
  /* Hamburger toggler styling */
  .navbar-toggler {
    border-color: rgba(255,255,255,0.3) !important;
    padding: 0.25rem 0.5rem !important;
  }
  .navbar-toggler-icon {
    filter: invert(1) !important;
  }
  /* Stack nav controls vertically in collapsed menu */
  .navbar .navbar-nav.ms-auto {
    flex-shrink: 1 !important;
    flex-wrap: wrap !important;
    gap: 0.3rem;
    padding: 0.5rem 0;
  }
  /* Dropdown menus in collapsed navbar */
  .navbar .dropdown-menu {
    position: static !important;
    float: none !important;
    width: 100% !important;
    background: rgba(0,0,0,0.15) !important;
    border: none !important;
    box-shadow: none !important;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .container-fluid { padding: 0.9rem 1rem !important; }
  .wf-hero, .bg-light.rounded-3 { padding: 1.5rem 1rem !important; }
  .display-4 { font-size: 1.8rem !important; }
  .card-body  { padding: 0.85rem !important; }

  /* Buttons: fill available width */
  .btn { width: 100% !important; max-width: 300px !important; }

  /* Text areas with fixed width */
  textarea, .form-control { width: 100% !important; max-width: 100% !important; }

  /* DataGrid: allow horizontal scroll on mobile */
  .shiny-data-grid {
    overflow-x: auto !important;
  }

  /* Dashboard stat cards: smaller text */
  .display-4 { font-size: 1.5rem !important; }
  h2 { font-size: 1.3rem !important; }
}

/* Small mobile */
@media (max-width: 480px) {
  .container-fluid { padding: 0.5rem !important; }
  .card-body { padding: 0.6rem !important; }
  .card-header { padding: 0.5rem 0.8rem !important; font-size: 0.85rem !important; }
  .navbar-brand { font-size: 0.85rem !important; }
}