/*
  Puhu.app — bileşen kütüphanesi.
  Bootstrap'ın grid/utility/JS davranışını (modal, dropdown, collapse,
  offcanvas) korur; görsel katmanı burada markaya göre yeniden tanımlanır.
*/

/* =========================================================
   Butonlar
   ========================================================= */
.btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  border-radius: var(--radius-md);
  padding: 0.65rem 1.25rem;
  border: 1px solid transparent;
  transition: transform var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  line-height: 1.2;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary,
.btn-puhu-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-on-primary);
}

.btn-primary:hover,
.btn-puhu-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow-sm);
}

.btn-accent,
.btn-puhu-accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-on-accent);
}

.btn-accent:hover,
.btn-puhu-accent:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-text-on-accent);
  box-shadow: var(--shadow-sm);
}

.btn-outline-primary {
  color: var(--color-primary);
  border-color: var(--color-border-strong);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--navy-50);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Panel karanlık modda lacivert metin, lacivert yüzeyler üzerinde
   okunaksızlaşır - bu yüzden karanlık modda outline butonlar gövde metin
   rengini kullanır. */
:root[data-theme="dark"] .btn-outline-primary {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

:root[data-theme="dark"] .btn-outline-primary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gold-400);
  color: var(--gold-300);
}

/* Koyu (lacivert) zeminler üzerinde kullanılacak outline buton varyantı
   (ör. site-hero, cta-band) - .btn-outline-primary'nin lacivert metnini
   ezerek beyaz/yarı saydam bir görünüm sağlar. */
.btn-outline-on-dark {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
  background: transparent;
}

.btn-outline-on-dark:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

.btn-light,
.btn-secondary {
  background: var(--color-surface-sunken);
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-light:hover,
.btn-secondary:hover {
  background: var(--gray-200);
  color: var(--color-text);
}

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

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

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: var(--fs-xs);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: var(--fs-md);
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: var(--radius-md);
}

/* =========================================================
   Kartlar
   ========================================================= */
.card,
.puhu-card {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-display);
  font-weight: 700;
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  background: transparent;
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
}

.puhu-card--interactive {
  transition: transform var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard);
}

.puhu-card--interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* İstatistik kartı (dashboard) */
.stat-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  box-shadow: var(--shadow-xs);
}

.stat-tile__icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  background: var(--navy-50);
  color: var(--color-primary);
}

.stat-tile__icon--accent {
  background: var(--gold-50);
  color: var(--gold-600);
}

.stat-tile__label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.stat-tile__value {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.1;
}

.stat-tile__trend {
  font-size: var(--fs-xs);
  font-weight: 600;
  margin-top: var(--space-1);
}

.stat-tile__trend--up {
  color: var(--success);
}

.stat-tile__trend--down {
  color: var(--danger);
}

/* =========================================================
   Formlar
   ========================================================= */
.form-label {
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-control,
.form-select {
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.9rem;
  font-size: var(--fs-base);
  background-color: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.form-control::placeholder {
  color: var(--color-text-subtle);
}

.form-text {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

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

.form-check-input:focus {
  box-shadow: var(--shadow-focus);
}

.invalid-feedback,
.field-validation-error {
  color: var(--danger);
  font-size: var(--fs-xs);
  font-weight: 600;
  display: block;
}

.field-validation-valid {
  display: none;
}

.form-control.is-invalid,
.form-select.is-invalid,
.input-validation-error {
  border-color: var(--danger) !important;
}

.validation-summary-errors {
  color: var(--danger-dark);
  background: var(--danger-light);
  border: 1px solid rgba(220, 38, 38, 0.25);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
}

.validation-summary-errors ul {
  margin: 0;
  padding-left: var(--space-5);
}

.validation-summary-valid {
  display: none;
}

/* =========================================================
   Tablolar
   ========================================================= */
.table {
  --bs-table-bg: transparent;
  color: var(--color-text);
}

.table > thead {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.table > thead > tr > th {
  border-bottom: 1px solid var(--color-border);
  font-weight: 700;
  padding-block: var(--space-3);
}

.table > tbody > tr > td {
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.table > tbody > tr:last-child > td {
  border-bottom: none;
}

.table-hover > tbody > tr:hover {
  background-color: var(--navy-50);
}

:root[data-theme="dark"] .table-hover > tbody > tr:hover {
  background-color: rgba(255, 255, 255, 0.04);
}

/* =========================================================
   Rozet / durum etiketleri
   ========================================================= */
.badge {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-xs);
  padding: 0.35em 0.75em;
  border-radius: var(--radius-pill);
}

.badge-success,
.badge.bg-success {
  background: var(--success-light) !important;
  color: var(--success-dark) !important;
}

.badge-warning,
.badge.bg-warning {
  background: var(--warning-light) !important;
  color: var(--warning-dark) !important;
}

.badge-danger,
.badge.bg-danger {
  background: var(--danger-light) !important;
  color: var(--danger-dark) !important;
}

.badge-info,
.badge.bg-info {
  background: var(--info-light) !important;
  color: var(--info-dark) !important;
}

.badge-neutral {
  background: var(--gray-100);
  color: var(--color-text-muted);
}

.badge-accent {
  background: var(--gold-100);
  color: var(--gold-800);
}

/* =========================================================
   Sekmeler
   ========================================================= */
.nav-tabs {
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-2);
}

.nav-tabs .nav-link {
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: var(--fs-sm);
  padding: var(--space-3) var(--space-2);
  border-radius: 0;
}

.nav-tabs .nav-link:hover:not(.active) {
  color: var(--color-primary);
  border-bottom-color: var(--color-border-strong);
}

.nav-tabs .nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  background: transparent;
}

/* Dar ekranlarda sekmeler alt alta kırılıp yığılmak yerine yatay kayar;
   sağ kenardaki soluklaşma daha fazla sekme olduğunu ima eder. */
.child-tabs-wrap {
  position: relative;
}

.child-tabs-wrap::before,
.child-tabs-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: var(--space-6);
  pointer-events: none;
}

.child-tabs-wrap::before {
  left: 0;
  background: linear-gradient(to left, transparent, var(--color-bg));
}

.child-tabs-wrap::after {
  right: 0;
  background: linear-gradient(to right, transparent, var(--color-bg));
}

.child-tabs-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.child-tabs-scroll::-webkit-scrollbar {
  display: none;
}

.child-tabs-scroll .nav-tabs {
  flex-wrap: nowrap;
}

.child-tabs-scroll .nav-tabs .nav-link {
  white-space: nowrap;
}

/* Chart.js canvas'ı için sabit yükseklikli çerçeve (grafik/tablo yan yana
   düzeninde sütun genişliği daralınca en boy oranının bozulmaması için). */
.chart-frame {
  position: relative;
  height: 260px;
}

.chart-frame canvas {
  height: 100% !important;
}

/* AJAX ile yenilenen kartlar için (bkz. veli öğrenci detay - haftalık program) */
.is-loading {
  opacity: 0.5;
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-standard);
}

/* =========================================================
   Dropdown
   ========================================================= */
.dropdown-menu {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
}

.dropdown-item {
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-sm);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: var(--navy-50);
  color: var(--color-primary);
}

.dropdown-item.text-danger:hover {
  background: var(--danger-light);
}

/* =========================================================
   Modal
   ========================================================= */
.modal-content {
  background: var(--color-surface);
  color: var(--color-text);
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.modal-header {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-6);
}

.modal-title {
  font-family: var(--font-display);
  font-weight: 700;
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
}

/* =========================================================
   Exit-Intent Pop-up (bkz. Views/Shared/_ExitIntentPopup.cshtml)
   ========================================================= */
#exit-intent-backdrop,
#exit-intent-modal {
  position: fixed;
  inset: 0;
  z-index: 1070;
}

#exit-intent-backdrop {
  background: rgba(7, 21, 49, 0.6);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-standard);
}

#exit-intent-modal {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  pointer-events: none;
}

.exit-intent-card {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  max-width: 420px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: translateY(16px) scale(0.97);
  opacity: 0;
  transition: transform var(--duration-base) var(--ease-emphasized), opacity var(--duration-base) var(--ease-emphasized);
}

#exit-intent-backdrop.is-open {
  opacity: 1;
}

#exit-intent-modal.is-open {
  pointer-events: auto;
}

#exit-intent-modal.is-open .exit-intent-card {
  transform: translateY(0) scale(1);
  opacity: 1;
}

#exit-intent-backdrop.hidden,
#exit-intent-modal.hidden {
  display: none;
}

.exit-intent-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-pill);
  border: none;
  background: var(--color-surface-sunken);
  color: var(--color-text-muted);
}

.exit-intent-emoji {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
}

.exit-intent-title {
  margin-bottom: var(--space-2);
}

.exit-intent-desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

/* =========================================================
   Pagination
   ========================================================= */
.page-link {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  margin-inline: 2px;
}

.page-item.active .page-link {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

/* =========================================================
   Avatar
   ========================================================= */
.avatar-initial {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  background: var(--navy-100);
  color: var(--navy-700);
  border-radius: var(--radius-pill);
  width: 2.5rem;
  height: 2.5rem;
  font-size: var(--fs-sm);
}

:root[data-theme="dark"] .avatar-initial {
  background: rgba(203, 155, 34, 0.18);
  color: var(--gold-300);
}

/* =========================================================
   Öğretmen Rehberi kartları (/ogretmenler ve ana sayfa)
   ========================================================= */
.teacher-card-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.teacher-card-photo-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-50);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.teacher-card-photo-placeholder .avatar-initial {
  width: 4rem;
  height: 4rem;
  font-size: var(--fs-xl);
}

/* Yıldız puanlama - hem salt-okunur gösterim (Öğretmen Rehberi detay sayfası)
   hem de Veli Portalı'ndaki tıklanabilir seçici için ortak görsel dil. */
.star-rating {
  display: inline-flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
  gap: 4px;
}

.star-rating input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.star-rating label {
  font-size: 1.75rem;
  line-height: 1;
  color: var(--navy-100);
  cursor: pointer;
  transition: color 0.15s ease;
}

.star-rating input:checked ~ label,
.star-rating label:hover,
.star-rating label:hover ~ label {
  color: var(--gold-500);
}

.star-rating-display {
  color: var(--gold-500);
  font-size: 1rem;
  letter-spacing: 1px;
}

/* =========================================================
   Boş durum
   ========================================================= */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-6);
}

.empty-state img {
  max-width: 220px;
  margin: 0 auto var(--space-6);
}

.empty-state__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2);
}

.empty-state__desc {
  color: var(--color-text-muted);
  max-width: 420px;
  margin: 0 auto var(--space-5);
}

/* =========================================================
   Uyarılar
   ========================================================= */
.alert {
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}

.alert-success {
  background: var(--success-light);
  color: var(--success-dark);
  border-color: rgba(31, 157, 99, 0.25);
}

.alert-danger {
  background: var(--danger-light);
  color: var(--danger-dark);
  border-color: rgba(220, 38, 38, 0.25);
}

.alert-warning {
  background: var(--warning-light);
  color: var(--warning-dark);
  border-color: rgba(217, 119, 6, 0.25);
}

.alert-info {
  background: var(--info-light);
  color: var(--info-dark);
  border-color: rgba(37, 99, 235, 0.25);
}

/* =========================================================
   Toast (bildirim)
   ========================================================= */
.toast {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* =========================================================
   Genel yardımcı sınıflar
   ========================================================= */
.text-accent {
  color: var(--color-accent) !important;
}

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

.bg-surface {
  background: var(--color-surface) !important;
}

.bg-surface-sunken {
  background: var(--color-surface-sunken) !important;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold-700);
  background: var(--gold-50);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.9rem;
}

:root[data-theme="dark"] .section-eyebrow {
  color: var(--gold-300);
  background: rgba(203, 155, 34, 0.14);
}

/* =========================================================
   Select2 (il/ilçe ve branş seçimleri - bkz. wwwroot/js/il-ilce-select.js)
   ========================================================= */
.select2-container--default .select2-selection--single {
  height: calc(1.5em + 1.5rem + 2px);
  border: 1px solid var(--color-border-strong, var(--color-border));
  border-radius: var(--radius-md);
  padding: 0.4rem 0.25rem;
  background-color: var(--color-surface);
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  color: var(--color-text);
  line-height: 1.9;
  padding-left: 0.5rem;
}

.select2-container--default .select2-selection--single .select2-selection__placeholder {
  color: var(--color-text-muted);
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
  height: calc(1.5em + 1.5rem);
}

.select2-container--default.select2-container--open .select2-selection--single,
.select2-container--default.select2-container--focus .select2-selection--single {
  border-color: var(--gold-500, var(--color-primary));
  box-shadow: 0 0 0 3px rgba(203, 155, 34, 0.15);
}

/* Select2'nin varsayılan "açık kutu" davranışı, tetikleyicinin alt köşelerini
   düzleştirip dropdown'a bitişik kaynaştırır. Bu, projenin diğer dropdown'larıyla
   (bildirim/kullanıcı menüsü vb.) tutarsız durduğundan, tetikleyici her zaman tam
   yuvarlak köşeli kalır ve panel ayrı, yüzen bir kutu olarak belirir. */
.select2-container--default.select2-container--open .select2-selection--single {
  border-radius: var(--radius-md) !important;
}

.select2-dropdown {
  border: 1px solid var(--color-border-strong, var(--color-border));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg, 0 10px 30px rgba(19, 38, 63, 0.16));
  overflow: hidden;
}

/* Panel sayfanın altına yakın alanlarda yukarı doğru açılabilir (select2-dropdown--above) -
   boşluk yönü de buna göre tersine dönmeli, aksi halde tetikleyiciye bitişik yapışır. */
.select2-dropdown--below {
  margin-top: 6px;
}

.select2-dropdown--above {
  margin-top: -6px;
}

/* Select2 CDN dosyası components.css'ten sonra yüklendiği için (sayfa Styles
   bölümünde eklenir), aynı specificity'deki kendi kuralımızın kazanması için
   !important gerekiyor. */
.select2-container--default .select2-results__option--highlighted[aria-selected] {
  background-color: var(--navy-700, var(--color-primary)) !important;
  color: #ffffff !important;
}

.select2-search--dropdown {
  padding: var(--space-2, 0.5rem);
}

.select2-search--dropdown .select2-search__field {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
}