/* ============================================================
   v11 — Modern Tasarım Override Katmanı
   wizard.css üstüne yüklenir; sadece görsel iyileştirmeler.
   ============================================================ */

:root {
  --kk-radius:         14px;
  --kk-radius-sm:      10px;
  --kk-radius-lg:      18px;
  --kk-shadow-sm:      0 1px 2px rgba(0, 0, 0, .25), 0 1px 3px rgba(0, 0, 0, .15);
  --kk-shadow-md:      0 4px 6px rgba(0, 0, 0, .25), 0 10px 25px rgba(0, 0, 0, .15);
  --kk-shadow-lg:      0 10px 15px rgba(0, 0, 0, .3), 0 20px 40px rgba(0, 0, 0, .2);
  --kk-ease:           cubic-bezier(.4, 0, .2, 1);
  --kk-ease-out-back:  cubic-bezier(.34, 1.56, .64, 1);
}

/* ----------------------------------------------------------
   Tipografi — Inter font
   ---------------------------------------------------------- */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont,
               'Segoe UI', Roboto, sans-serif !important;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  letter-spacing: -.01em;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif !important;
  font-weight: 700 !important;
  letter-spacing: -.025em;
  line-height: 1.2;
}
h1 { font-size: clamp(1.85rem, 3vw, 2.4rem); }
h2 { font-size: clamp(1.55rem, 2.5vw, 2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.45rem); }

/* ----------------------------------------------------------
   Top Bar
   ---------------------------------------------------------- */
.kk-topbar {
  border-bottom: 1px solid var(--kk-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg,
    rgba(15, 26, 48, 0.95) 0%,
    rgba(26, 44, 78, 0.85) 100%);
}
.kk-topbar .brand {
  font-weight: 800;
  letter-spacing: -.02em;
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.kk-topbar .brand::before {
  content: "✦";
  color: var(--kk-primary);
  font-size: 1.1rem;
  filter: drop-shadow(0 0 8px rgba(96, 165, 250, .55));
}

/* ----------------------------------------------------------
   Kartlar — daha yumuşak gölge + modern radius
   ---------------------------------------------------------- */
.kk-card {
  border-radius: var(--kk-radius) !important;
  border: 1px solid var(--kk-border);
  background: var(--kk-surface);
  box-shadow: var(--kk-shadow-sm);
  padding: 1.25rem 1.4rem;
  transition: border-color .2s var(--kk-ease),
              box-shadow .2s var(--kk-ease),
              transform .25s var(--kk-ease);
}
.kk-card:hover {
  border-color: rgba(96, 165, 250, .35);
}

/* Kongre listeleme kartları — daha cesur hover */
.kk-congress-card {
  transition: transform .25s var(--kk-ease-out-back),
              box-shadow .25s var(--kk-ease),
              border-color .2s var(--kk-ease) !important;
}
.kk-congress-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--kk-shadow-lg);
  border-color: var(--kk-primary) !important;
}

/* ----------------------------------------------------------
   Butonlar — modern feel + subtle micro-interactions
   ---------------------------------------------------------- */
.kk-btn,
.btn.kk-btn,
.kk-btn-cart {
  border-radius: var(--kk-radius-sm) !important;
  font-weight: 600;
  letter-spacing: -.01em;
  padding: .65rem 1.4rem;
  border: 1px solid transparent;
  transition: all .18s var(--kk-ease);
  position: relative;
  overflow: hidden;
}
.kk-btn:hover,
.btn.kk-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(96, 165, 250, .35);
}
.kk-btn:active,
.btn.kk-btn:active {
  transform: translateY(0);
}

.kk-btn-cart {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: #fff !important;
  border: 0;
  font-weight: 700;
  padding: .7rem 1.6rem;
  box-shadow: 0 4px 14px rgba(249, 115, 22, .35);
}
.kk-btn-cart:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(249, 115, 22, .5);
  color: #fff !important;
}

.btn-outline-primary {
  border-radius: var(--kk-radius-sm) !important;
  font-weight: 600;
  border-width: 1.5px;
  transition: all .18s var(--kk-ease);
}
.btn-outline-primary:hover {
  transform: translateY(-1px);
}

/* ----------------------------------------------------------
   Form alanları — daha modern focus ring
   ---------------------------------------------------------- */
.form-control, .form-select {
  border-radius: var(--kk-radius-sm) !important;
  transition: border-color .15s var(--kk-ease),
              box-shadow .15s var(--kk-ease);
}
.form-control:focus, .form-select:focus {
  border-color: var(--kk-primary);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, .18) !important;
}

/* ----------------------------------------------------------
   Stepper — daha şık
   ---------------------------------------------------------- */
.kk-stepper {
  background: linear-gradient(180deg,
    rgba(15, 26, 48, 0.4),
    rgba(26, 44, 78, 0.2));
  border-bottom: 1px solid var(--kk-border);
  padding: 1rem 1.5rem;
}
.kk-stepper .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
  border: 1.5px solid var(--kk-border);
  font-size: .85rem;
  font-weight: 700;
  transition: all .2s var(--kk-ease);
}
.kk-stepper .step.active .num {
  background: var(--kk-primary);
  color: #0a1120 !important;
  border-color: var(--kk-primary);
  box-shadow: 0 0 0 4px rgba(96, 165, 250, .25);
}
.kk-stepper .step.done .num,
.kk-stepper a.step.done .num {
  background: rgba(52, 211, 153, .15);
  color: #34d399 !important;
  border-color: rgba(52, 211, 153, .4);
}
.kk-stepper a.step.done:hover .num {
  background: rgba(52, 211, 153, .3);
  border-color: #34d399;
}

/* ----------------------------------------------------------
   Radio option list — daha modern
   ---------------------------------------------------------- */
.kk-option-list { list-style: none; padding: 0; margin: 0; }
.kk-option-list li {
  margin-bottom: .65rem;
}
.kk-option-list label {
  display: flex !important;
  align-items: center;
  gap: .85rem;
  padding: 1rem 1.2rem;
  border: 1.5px solid var(--kk-border);
  border-radius: var(--kk-radius-sm);
  background: var(--kk-surface);
  cursor: pointer;
  transition: all .15s var(--kk-ease);
  font-weight: 500;
}
.kk-option-list label:hover {
  border-color: var(--kk-primary);
  background: rgba(96, 165, 250, .06);
}
.kk-option-list input[type="radio"]:checked + span,
.kk-option-list label:has(input[type="radio"]:checked) {
  border-color: var(--kk-primary);
  background: rgba(96, 165, 250, .12);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, .08);
}
.kk-option-list input[type="checkbox"] + span,
.kk-option-list input[type="radio"] + span {
  flex: 1;
}

/* ----------------------------------------------------------
   Tablolar — modern stripe
   ---------------------------------------------------------- */
.table {
  --bs-table-bg: transparent;
  color: var(--kk-text);
}
.table thead th {
  font-weight: 600;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--kk-muted);
  border-bottom: 2px solid var(--kk-border);
  background: rgba(0, 0, 0, .15);
}
.table tbody tr {
  border-bottom: 1px solid var(--kk-border);
  transition: background .12s var(--kk-ease);
}
.table tbody tr:hover {
  background: rgba(96, 165, 250, .04);
}

/* ----------------------------------------------------------
   Badge'ler — yeni v11 sınıfları
   ---------------------------------------------------------- */
.kk-badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .3rem .75rem;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  border: 1px solid var(--kk-border);
  background: var(--kk-surface-2);
  color: var(--kk-text);
}
.kk-badge-success { background: rgba(52, 211, 153, .15); color: #6ee7b7; border-color: rgba(52, 211, 153, .35); }
.kk-badge-warn    { background: rgba(251, 191, 36, .15); color: #fcd34d; border-color: rgba(251, 191, 36, .35); }
.kk-badge-danger  { background: rgba(248, 113, 113, .15); color: #fca5a5; border-color: rgba(248, 113, 113, .35); }
.kk-badge-mute    { background: rgba(148, 163, 184, .15); color: #cbd5e1; border-color: rgba(148, 163, 184, .35); }
.kk-badge-info    { background: rgba(96, 165, 250, .15); color: #93c5fd; border-color: rgba(96, 165, 250, .35); }

/* ----------------------------------------------------------
   Footer
   ---------------------------------------------------------- */
footer {
  margin-top: 4rem;
  padding: 2rem 1rem;
  border-top: 1px solid var(--kk-border);
  color: var(--kk-muted);
  background: linear-gradient(0deg,
    rgba(15, 26, 48, 0.6),
    rgba(15, 26, 48, 0));
}

/* ----------------------------------------------------------
   Sepet özeti kongre alt başlığı
   ---------------------------------------------------------- */
.kk-summary-congress {
  background: linear-gradient(135deg,
    rgba(96, 165, 250, 0.10),
    rgba(96, 165, 250, 0.03)) !important;
  border-color: rgba(96, 165, 250, 0.30) !important;
}

/* ----------------------------------------------------------
   Alert'ler — modern
   ---------------------------------------------------------- */
.alert {
  border-radius: var(--kk-radius-sm);
  border: 1px solid transparent;
  padding: .85rem 1.1rem;
}
.alert-info {
  background: rgba(96, 165, 250, .1);
  border-color: rgba(96, 165, 250, .25);
  color: #cfe4fc;
}
.alert-warning {
  background: rgba(251, 191, 36, .1);
  border-color: rgba(251, 191, 36, .3);
  color: #fde68a;
}
.alert-success {
  background: rgba(52, 211, 153, .1);
  border-color: rgba(52, 211, 153, .3);
  color: #a7f3d0;
}
.alert-danger {
  background: rgba(248, 113, 113, .1);
  border-color: rgba(248, 113, 113, .3);
  color: #fecaca;
}

/* ----------------------------------------------------------
   Sayfa kaydırma davranışı
   ---------------------------------------------------------- */
html { scroll-behavior: smooth; }

/* Seçim rengi */
::selection {
  background: rgba(96, 165, 250, .35);
  color: #fff;
}

/* Scrollbar — webkit */
::-webkit-scrollbar {
  width: 10px; height: 10px;
}
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--kk-border);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--kk-primary);
}

/* ----------------------------------------------------------
   Wizard Geri / İleri butonları için kk-nav-bar
   ---------------------------------------------------------- */
.kk-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--kk-border);
  gap: 1rem;
}

/* ----------------------------------------------------------
   "Sepete Ekle" butonu istisnaları (.kk-btn-cart üzerine vurgu)
   ---------------------------------------------------------- */
button.kk-btn-cart {
  background: linear-gradient(135deg, #f97316, #ea580c);
}