/* ==========================================================================
   Tambola Fun — custom theme (Bootstrap 5)
   Festive & credible: deep indigo base with warm accents
   ========================================================================== */

:root {
  --tf-indigo: #4f46e5;
  --tf-indigo-dark: #3730a3;
  --tf-violet: #7c3aed;
  --tf-pink: #ec4899;
  --tf-amber: #f59e0b;
  --tf-teal: #0d9488;
  --tf-ink: #1e1b4b;
  --tf-body-bg: #f6f7fb;
  --tf-gradient: linear-gradient(135deg, #4338ca 0%, #6d28d9 55%, #86198f 100%);
}

body {
  font-family:
    'Inter',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
  background-color: var(--tf-body-bg);
  color: #2b2a3d;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.tf-main {
  flex: 1 0 auto;
  width: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6,
.navbar-brand,
.display-4 {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-weight: 700;
  color: var(--tf-ink);
}

a {
  color: var(--tf-indigo);
}
a:hover {
  color: var(--tf-violet);
}

/* --------------------------------------------------------------------------
   Navbar
   -------------------------------------------------------------------------- */
.tf-navbar {
  background: #ffffff;
  box-shadow: 0 2px 12px rgba(30, 27, 75, 0.08);
}

.tf-navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--tf-ink) !important;
  letter-spacing: -0.02em;
}

.tf-navbar .navbar-brand img {
  height: 38px;
  width: auto;
  border-radius: 9px;
}

.tf-navbar .nav-link {
  font-weight: 500;
  color: #3f3d56;
  padding: 0.45rem 0.9rem !important;
  border-radius: 999px;
  transition: all 0.18s ease;
}

.tf-navbar .nav-link:hover,
.tf-navbar .nav-link:focus {
  color: var(--tf-indigo);
  background: rgba(79, 70, 229, 0.08);
}

.tf-navbar .nav-link.active {
  color: #ffffff;
  background: var(--tf-gradient);
}

.tf-navbar .navbar-toggler {
  border: none;
  padding: 0.4rem 0.6rem;
}

.tf-navbar .navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
}

/* --------------------------------------------------------------------------
   Hero (jumbotron)
   -------------------------------------------------------------------------- */
.jumbotron {
  background: var(--tf-gradient);
  color: #ffffff;
  border-radius: 1.25rem;
  padding: 2.5rem 2rem !important;
  margin-bottom: 2rem !important;
  box-shadow: 0 18px 45px -18px rgba(67, 56, 202, 0.55);
  position: relative;
  overflow: hidden;
}

.jumbotron::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.jumbotron::before {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.jumbotron h1,
.jumbotron .display-4 {
  color: #ffffff;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.jumbotron a:not(.btn) {
  color: #fde68a;
  font-weight: 600;
}
.jumbotron a:not(.btn):hover {
  color: #ffffff;
}

.jumbotron .alert a:not(.btn) {
  color: inherit;
  text-decoration: underline;
}

.jumbotron .alert a:not(.btn):hover {
  color: inherit;
  opacity: 0.8;
}

/* Stacked full-width buttons need breathing room */
.btn.w-100 + .btn.w-100 {
  margin-top: 0.5rem;
}

.jumbotron .btn {
  --bs-btn-font-weight: 600;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  border: none;
  border-radius: 1rem;
  box-shadow: 0 4px 18px rgba(30, 27, 75, 0.07);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(30, 27, 75, 0.13);
}

.card-header {
  background: #ffffff;
  border-bottom: 1px solid #eceafb;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  color: var(--tf-ink);
  border-radius: 1rem 1rem 0 0 !important;
}

/* --------------------------------------------------------------------------
   Buttons & forms
   -------------------------------------------------------------------------- */
.btn {
  border-radius: 0.65rem;
  font-weight: 600;
}

.btn-primary {
  --bs-btn-bg: var(--tf-indigo);
  --bs-btn-border-color: var(--tf-indigo);
  --bs-btn-hover-bg: var(--tf-indigo-dark);
  --bs-btn-hover-border-color: var(--tf-indigo-dark);
  --bs-btn-active-bg: var(--tf-indigo-dark);
  --bs-btn-active-border-color: var(--tf-indigo-dark);
  --bs-btn-disabled-bg: var(--tf-indigo);
  --bs-btn-disabled-border-color: var(--tf-indigo);
}

.btn-info {
  --bs-btn-color: #ffffff;
  --bs-btn-hover-color: #ffffff;
  --bs-btn-active-color: #ffffff;
  --bs-btn-bg: var(--tf-teal);
  --bs-btn-border-color: var(--tf-teal);
  --bs-btn-hover-bg: #0f766e;
  --bs-btn-hover-border-color: #0f766e;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--tf-indigo);
  box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.15);
}

.form-check-input:checked,
.form-select:checked {
  background-color: var(--tf-indigo);
  border-color: var(--tf-indigo);
}

/* --------------------------------------------------------------------------
   Tabs
   -------------------------------------------------------------------------- */
.nav-tabs {
  border-bottom: 2px solid #e4e2f5;
}

.nav-tabs .nav-link {
  border: none;
  color: #55516e;
  font-weight: 600;
  border-radius: 0.6rem 0.6rem 0 0;
  margin-bottom: -2px;
}

.nav-tabs .nav-link:hover {
  color: var(--tf-indigo);
}

.nav-tabs .nav-link.active {
  color: var(--tf-indigo);
  background: transparent;
  border-bottom: 2px solid var(--tf-indigo);
}

/* --------------------------------------------------------------------------
   Alerts
   -------------------------------------------------------------------------- */
.alert {
  border-radius: 0.8rem;
  border: none;
}

.alert-success {
  background: #d9f5ee;
  color: #0b5f4e;
}

.alert-warning {
  background: #fef3d8;
  color: #8a5a06;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.tf-footer {
  background: #17143a;
  color: #b9b5d8;
  flex-shrink: 0;
}

.tf-footer h6 {
  color: #ffffff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  margin-bottom: 1rem;
}

.tf-footer a {
  color: #b9b5d8;
  text-decoration: none;
  display: inline-block;
  padding: 0.15rem 0;
}

.tf-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.tf-footer .tf-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.tf-footer .tf-footer-bottom a {
  color: #fde68a;
}

/* --------------------------------------------------------------------------
   Misc
   -------------------------------------------------------------------------- */
.thead-dark th {
  color: #ffffff;
}

.table {
  border-radius: 0.5rem;
}

.badge.bg-success,
.badge.bg-warning {
  font-weight: 600;
}

.modal-content {
  border-radius: 1rem;
  border: none;
}

.modal-header {
  border-bottom: 1px solid #eceafb;
}

.modal-footer {
  border-top: 1px solid #eceafb;
}

::selection {
  background: rgba(79, 70, 229, 0.2);
}