/* --------------------------------------------------------------------------
   HORAS STATSPORT · MODERN PUBLIC UI
   Palette aligns with Bootstrap 5 brand colors to keep contrast AA compliant.
   Mobile first: base styles target small screens, scale up with media queries.
   -------------------------------------------------------------------------- */

:root {
  /* Brand colors */
  --app-primary: #d20000;
  --app-primary-strong: #b80000;
  --app-secondary: #6c757d;
  --app-success: #198754;
  --app-warning: #ffc107;
  --app-danger: #dc3545;
  --app-info: #0dcaf0;

  /* Greyscale */
  --app-gray-50: #f8f9fa;
  --app-gray-100: #eef1f6;
  --app-gray-200: #e2e6ef;
  --app-gray-300: #c8cdd8;
  --app-gray-500: #6c757d;
  --app-gray-600: #495057;
  --app-gray-700: #343a40;
  --app-gray-900: #1b1f24;

  /* Typography */
  --app-font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --app-font-weight-regular: 400;
  --app-font-weight-medium: 500;
  --app-font-weight-semibold: 600;
  --app-font-weight-bold: 700;

  /* Radii & shadows */
  --app-radius-sm: 0.5rem;
  --app-radius-md: 0.75rem;
  --app-radius-lg: 1rem;
  --app-shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.08);
  --app-shadow-md: 0 18px 40px rgba(15, 23, 42, 0.12);

  /* Motion */
  --app-transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
  --app-transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--app-font-base);
  color: var(--app-gray-700);
  background: radial-gradient(circle at top, rgba(13, 110, 253, 0.08), transparent 55%), var(--app-gray-50);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

body.offline {
  filter: grayscale(0.1);
}

main {
  flex: 1 0 auto;
}

/* --------------------------------------------------------------------------
   NAVIGATION
   -------------------------------------------------------------------------- */

.app-navbar {
  background: linear-gradient(135deg, var(--app-primary), var(--app-primary-strong));
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--app-shadow-sm);
}

.app-navbar .navbar-brand {
  font-weight: var(--app-font-weight-bold);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff !important;
  transition: transform var(--app-transition-fast);
}

.app-navbar .navbar-brand:hover {
  transform: translateY(-1px);
}

.app-navbar .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: var(--app-font-weight-medium);
  border-radius: 999px;
  padding: 0.45rem 0.9rem !important;
  transition: all var(--app-transition-fast);
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus-visible {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.15);
  text-decoration: none;
}

.navbar-toggler {
  border: none;
  padding: 0.4rem 0.6rem;
  border-radius: var(--app-radius-sm);
  transition: background var(--app-transition-fast);
}

.navbar-toggler:focus-visible {
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.35);
}

/* --------------------------------------------------------------------------
   GLOBAL UTILITY WRAPPERS
   -------------------------------------------------------------------------- */

.app-page-heading {
  margin-bottom: 1.5rem;
}

.app-page-heading h1,
.app-page-heading h2 {
  font-weight: var(--app-font-weight-semibold);
  color: var(--app-gray-900);
  margin-bottom: 0.25rem;
}

.app-page-heading .lead {
  color: var(--app-gray-600);
  margin-bottom: 0;
}

.app-section {
  background: #fff;
  border-radius: var(--app-radius-lg);
  box-shadow: var(--app-shadow-sm);
  border: 1px solid rgba(15, 23, 42, 0.04);
  padding: 1.75rem;
  margin-bottom: 1.75rem;
  transition: transform var(--app-transition), box-shadow var(--app-transition);
}

.app-section:hover {
  transform: translateY(-2px);
  box-shadow: var(--app-shadow-md);
}

.app-section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.app-section-title {
  margin: 0;
  font-weight: var(--app-font-weight-semibold);
  color: var(--app-gray-900);
}

@media (max-width: 575.98px) {
  .app-section {
    padding: 1.35rem;
  }

  .app-section-header {
    flex-direction: column;
  }
}

/* --------------------------------------------------------------------------
   FORMS
   -------------------------------------------------------------------------- */

.form-label.required::after {
  content: ' *';
  color: var(--app-danger);
  font-weight: var(--app-font-weight-bold);
}

.app-form-control,
.app-form-select,
.app-form-textarea {
  border: 2px solid var(--app-gray-200);
  border-radius: var(--app-radius-sm);
  padding: 0.6rem 0.9rem;
  font-size: 1rem;
  min-height: 44px;
  transition: border-color var(--app-transition-fast), box-shadow var(--app-transition-fast);
  background-color: #fff;
}

.app-form-control:focus,
.app-form-select:focus,
.app-form-textarea:focus {
  border-color: var(--app-primary);
  box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.18);
  outline: none;
}

.app-form-control:hover:not(:focus),
.app-form-select:hover:not(:focus),
.app-form-textarea:hover:not(:focus) {
  border-color: var(--app-gray-300);
}

.app-form-textarea {
  resize: vertical;
  min-height: 120px;
}

.app-form-hint {
  color: var(--app-gray-500);
  font-size: 0.85rem;
}

.invalid-feedback i {
  vertical-align: -0.2em;
}

/* --------------------------------------------------------------------------
   BUTTONS
   -------------------------------------------------------------------------- */

.app-btn {
  border-radius: 999px;
  border: 2px solid transparent;
  font-weight: var(--app-font-weight-semibold);
  letter-spacing: 0.02em;
  padding: 0.65rem 1.4rem;
  min-height: 44px;
  transition: transform var(--app-transition-fast), box-shadow var(--app-transition-fast), background var(--app-transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  white-space: nowrap;
  line-height: 1.2;
  text-decoration: none;
}

.app-btn i {
  font-size: 1rem;
  line-height: 1;
}

.app-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.35);
}

.app-btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.app-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.app-btn-primary {
  background: linear-gradient(135deg, var(--app-primary), var(--app-primary-strong));
  color: #fff;
  box-shadow: 0 10px 20px rgba(253, 13, 13, 0.25);
}

.app-btn-primary:hover {
  box-shadow: 0 12px 26px rgba(253, 13, 13, 0.35);
}

.app-btn-success {
  background: linear-gradient(135deg, var(--app-success), #146c43);
  color: #fff;
  box-shadow: 0 10px 20px rgba(25, 135, 84, 0.25);
}

.app-btn-outline {
  background: transparent;
  color: var(--app-gray-700);
  border-color: var(--app-gray-300);
}

.app-btn-outline:hover {
  background: var(--app-gray-100);
}

.app-btn-outline-danger {
  background: transparent;
  color: var(--app-danger);
  border-color: rgba(220, 53, 69, 0.6);
}

.app-btn-outline-danger:hover {
  background: rgba(220, 53, 69, 0.08);
  border-color: var(--app-danger);
}

.app-btn-link {
  padding: 0;
  border: none;
  background: none;
  color: var(--app-primary);
  font-weight: var(--app-font-weight-medium);
}

/* --------------------------------------------------------------------------
   ALERTS / FEEDBACK
   -------------------------------------------------------------------------- */

.alert.app-alert {
  border-radius: var(--app-radius-sm);
  border: none;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  box-shadow: var(--app-shadow-sm);
}

.alert.app-alert .app-alert-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.alert.app-alert ul {
  margin-bottom: 0;
}

.alert-success.app-alert {
  background: linear-gradient(120deg, rgba(25, 135, 84, 0.3), rgba(25, 135, 84, 0.1));
  color: var(--app-gray-700);
}

.alert-danger.app-alert {
  background: linear-gradient(120deg, rgba(220, 53, 69, 0.3), rgba(220, 53, 69, 0.1));
  color: var(--app-gray-700);
}

.alert-warning.app-alert {
  background: linear-gradient(120deg, rgba(255, 193, 7, 0.3), rgba(255, 193, 7, 0.1));
  color: #795600;
}

/* --------------------------------------------------------------------------
   SHIFT BUILDER (Landing + My views)
   -------------------------------------------------------------------------- */

.shift-day {
  border: 1px solid var(--app-gray-200);
  border-radius: var(--app-radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  background: #fcfcfc;
}

.shift-day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.shift-day-header .app-field {
  flex: 1 1 200px;
  margin-bottom: 0;
}

.shift-day-header .app-btn {
  flex: 0 0 auto;
}

.shift-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.shift-controls .app-btn {
  flex: 0 0 auto;
}

.shift-slot {
  border: 1px solid var(--app-gray-200);
  border-radius: var(--app-radius-sm);
  padding: 1rem;
  background: var(--app-gray-50);
  display: grid;

}

.shift-slot:last-of-type {
  margin-bottom: 0;
}

.shift-slot-actions {
  text-align: end;
}

@media (min-width: 576px) {
  .shift-slot {
    grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
    align-items: end;
    gap: 0.75rem;
  }

  .shift-slot .shift-slot-actions {
    text-align: right;
  }
}

@media (max-width: 575.98px) {
  .app-field-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .app-field-actions .app-btn {
    width: 100%;
  }

  .shift-day-header {
    flex-direction: column;
    align-items: stretch;
  }

  .shift-day-header .app-btn,
  .shift-controls .app-btn {
    width: 100%;
    justify-content: center;
  }

  .shift-controls {
    flex-direction: column;
    align-items: stretch;
  }
}

/* --------------------------------------------------------------------------
   TABLES
   -------------------------------------------------------------------------- */

.app-table-wrapper {
  border: 1px solid rgba(15, 23, 42, 0.05);
  border-radius: var(--app-radius-lg);
  overflow: hidden;
  box-shadow: var(--app-shadow-sm);
  background: #fff;
}

.table.app-table {
  margin-bottom: 0;
  color: var(--app-gray-700);
}

.table.app-table th {
  font-weight: var(--app-font-weight-semibold);
  color: var(--app-gray-600);
  border-bottom-width: 1px;
}

.table.app-table tbody tr:hover {
  background: rgba(13, 110, 253, 0.05);
}

.table.app-table td,
.table.app-table th {
  padding: 0.9rem 1rem;
}

.table.app-table .badge {
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-weight: var(--app-font-weight-medium);
}

/* --------------------------------------------------------------------------
   LISTS & BADGES
   -------------------------------------------------------------------------- */

.app-list li {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.app-list li:last-child {
  border-bottom: none;
}

/* --------------------------------------------------------------------------
   HERO / EMPTY STATES
   -------------------------------------------------------------------------- */

.app-empty {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--app-gray-500);
}

.app-empty i {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--app-primary);
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */

.app-footer {
  background: linear-gradient(135deg, rgba(12, 27, 60, 0.94), rgba(16, 29, 64, 0.88));
  color: rgba(255, 255, 255, 0.72);
  padding: 1.5rem 0;
  font-size: 0.85rem;
}

.app-footer a {
  color: #fff;
  text-decoration: none;
}

.app-footer a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   ACCESSIBILITY HELPERS
   -------------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  background: #fff;
  color: var(--app-primary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--app-radius-sm);
  transform: translateY(-200%);
  transition: transform var(--app-transition-fast);
  z-index: 1050;
}

.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--app-primary);
}

/* --------------------------------------------------------------------------
   RESPONSIVE TWEAKS
   -------------------------------------------------------------------------- */

@media (max-width: 991.98px) {
  .navbar-collapse {
    padding-top: 1rem;
  }

  .app-navbar .nav-link {
    padding: 0.6rem 0.8rem !important;
  }

  .app-section {
    margin-bottom: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  body {
    background: #fff;
  }

  .app-navbar,
  .app-footer,
  .app-btn,
  .alert,
  .navbar-toggler,
  .btn-close {
    display: none !important;
  }

  .app-section,
  .app-table-wrapper {
    box-shadow: none;
    border: 1px solid #000;
  }
}

/* --------------------------------------------------------------------------
   FIELD GROUPS
   -------------------------------------------------------------------------- */

.app-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
}

.app-field:last-child {
  margin-bottom: 0;
}

.app-field-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.app-field-actions > *:first-child {
  flex: 1 1 auto;
}

.app-field-actions .app-btn {
  flex: 0 0 auto;
}

.app-btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.app-btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.app-btn-sm {
  padding: 0.45rem 1rem;
  min-height: 36px;
  font-size: 0.875rem;
}

.app-btn-outline-primary {
  color: var(--app-primary);
  border-color: rgba(13, 110, 253, 0.4);
  background: rgba(13, 110, 253, 0.05);
}

.app-btn-outline-primary:hover {
  background: rgba(13, 110, 253, 0.12);
  border-color: var(--app-primary);
  color: var(--app-primary);
}

.app-btn-outline-secondary {
  color: var(--app-secondary);
  border-color: rgba(108, 117, 125, 0.35);
  background: rgba(108, 117, 125, 0.06);
}

.app-btn-outline-secondary:hover {
  background: rgba(108, 117, 125, 0.14);
  border-color: var(--app-secondary);
  color: var(--app-secondary);
}

.app-btn-outline-warning {
  color: #b08900;
  border-color: rgba(255, 193, 7, 0.45);
  background: rgba(255, 193, 7, 0.12);
}

.app-btn-outline-warning:hover {
  background: rgba(255, 193, 7, 0.2);
  border-color: var(--app-warning);
  color: #b08900;
}