/**
 * Anadolu Üniversitesi Kütüphane - Components
 * Ortak kullanılan bileşenler: butonlar, kartlar, tooltip, modal vs.
 */

/* =====================================================
   BUTTONS
===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn:focus {
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(31, 76, 138, 0.25);
}

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

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

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

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

.btn-light {
  background-color: var(--white);
  border-color: var(--white);
  color: var(--primary-color);
}

.btn-light:hover {
  background-color: var(--light-gray);
  border-color: var(--light-gray);
  color: var(--primary-dark);
}

.btn-outline-light {
  background-color: transparent;
  border-color: var(--white);
  color: var(--white);
}

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

/* =====================================================
   CARDS
===================================================== */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
}

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

.card-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background-color: transparent;
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background-color: transparent;
}

.card-title {
  margin-bottom: 0.75rem;
  font-size: var(--fs-9);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
}

.card-text {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

/* =====================================================
   BADGES & TAGS
===================================================== */
.badge {
  display: inline-block;
  padding: 0.35rem 0.65rem;
  font-size: var(--fs-2-koru);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  color: var(--white);
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: var(--radius-sm);
}

.category-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  color: white;
  font-size: var(--fs-2-koru);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0.75rem;
}

.category-badge.small {
  font-size: var(--fs-1-koru);
  padding: 0.15rem 0.35rem;
}

/* =====================================================
   TOOLTIPS - Minimal Modern
===================================================== */
.tooltip-minimal {
  position: fixed;
  z-index: 10000;
  background: linear-gradient(135deg, #1F4C8A, #153a6d);
  color: white;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: var(--fs-3);
  font-weight: 400;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  transform: translateY(-3px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  max-width: 220px;
  white-space: normal;
  line-height: 1.4;
}

.tooltip-minimal::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: #153a6d;
  transform: translateX(-50%) rotate(45deg);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  border-right: 1px solid rgba(255,255,255,0.1);
}

.tooltip-minimal.show {
  opacity: 1;
  transform: translateY(0);
}

.tooltip-minimal[style*="--arrow-direction: up"]::before {
  top: -4px;
  bottom: auto;
  transform: translateX(-50%) rotate(225deg);
  border-bottom: none;
  border-right: none;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-left: 1px solid rgba(255,255,255,0.1);
}

/* =====================================================
   MODALS
===================================================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1050;
  display: none;
  width: 100%;
  height: 100%;
  overflow: hidden;
  outline: 0;
}

.modal.show {
  display: block;
}

.modal-dialog {
  position: relative;
  width: auto;
  margin: 0.5rem;
  pointer-events: none;
}

.modal-content {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  pointer-events: auto;
  background-color: var(--bg-card);
  background-clip: padding-box;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  outline: 0;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  margin-bottom: 0;
  line-height: 1.5;
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
}

.modal-body {
  position: relative;
  flex: 1 1 auto;
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  gap: 0.5rem;
}

.btn-close {
  box-sizing: content-box;
  width: 1em;
  height: 1em;
  padding: 0.25em;
  color: var(--text-color);
  background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='M.293.293a1 1 0 011.414 0L8 6.586 14.293.293a1 1 0 111.414 1.414L9.414 8l6.293 6.293a1 1 0 01-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 01-1.414-1.414L6.586 8 .293 1.707a1 1 0 010-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;
  border: 0;
  border-radius: 0.25rem;
  opacity: 0.5;
  cursor: pointer;
}

.btn-close:hover {
  opacity: 0.75;
}

/* =====================================================
   ALERTS & NOTIFICATIONS
===================================================== */
.alert {
  position: relative;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.alert-success {
  color: #0f5132;
  background-color: #d1e7dd;
  border-color: #badbcc;
}

.alert-info {
  color: #055160;
  background-color: #cff4fc;
  border-color: #b6effb;
}

.alert-warning {
  color: #664d03;
  background-color: #fff3cd;
  border-color: #ffecb5;
}

.alert-danger {
  color: #842029;
  background-color: #f8d7da;
  border-color: #f5c2c7;
}

/* Toast Container */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
}

.toast {
  max-width: 350px;
  font-size: var(--fs-4);
  pointer-events: auto;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.toast.show {
  opacity: 1;
}

.toast-body {
  padding: 0.75rem;
}

/* =====================================================
   LOADING SPINNER
===================================================== */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(31, 76, 138, 0.2);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  flex-direction: column;
  gap: 1rem;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

/* =====================================================
   PROGRESS BAR
===================================================== */
.progress {
  display: flex;
  height: 1rem;
  overflow: hidden;
  font-size: var(--fs-2);
  background-color: var(--light-gray);
  border-radius: var(--radius-sm);
}

.progress-bar {
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  color: var(--white);
  text-align: center;
  white-space: nowrap;
  background-color: var(--primary-color);
  transition: width 0.6s ease;
}

/* =====================================================
   PAGINATION
===================================================== */
.pagination {
  display: flex;
  padding-left: 0;
  list-style: none;
  gap: 0.25rem;
}

.page-item {
  display: flex;
}

.page-link {
  position: relative;
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--primary-color);
  text-decoration: none;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  border-radius: var(--radius-sm);
}

.page-link:hover {
  z-index: 2;
  color: var(--primary-dark);
  background-color: var(--light-gray);
  border-color: var(--border-color);
}

.page-item.active .page-link {
  z-index: 3;
  color: var(--white);
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.page-item.disabled .page-link {
  color: var(--text-muted);
  pointer-events: none;
  background-color: var(--bg-card);
  border-color: var(--border-color);
  opacity: 0.5;
}

/* =====================================================
   ANNOUNCEMENTS PAGINATION - Eski stil
===================================================== */
.announcements-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  border-top: 1px solid var(--border-color);
}

.pagination-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background-color: transparent;
  border-radius: 0.25rem;
  margin: 0 0.25rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.pagination-btn.active {
  background-color: var(--primary-color);
  color: white;
}

.pagination-btn:hover:not(.active) {
  background-color: var(--tertiary-color);
  color: var(--primary-color);
}

.pagination-next {
  width: auto;
  padding: 0 0.5rem;
}

/* Dark theme için pagination düzenlemeleri */
html[data-theme="dark"] .pagination-btn:hover:not(.active) {
  background-color: var(--tertiary-color);
  color: var(--primary-light);
}

/* =====================================================
   DARK THEME ADJUSTMENTS
===================================================== */
html[data-theme="dark"] .card {
  background-color: var(--bg-card);
  border-color: var(--border-color);
}

html[data-theme="dark"] .modal-content {
  background-color: var(--bg-card);
  border-color: var(--border-color);
}

html[data-theme="dark"] .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

html[data-theme="dark"] .toast {
  background-color: var(--bg-card);
  border-color: var(--border-color);
}

/* =====================================================
   RESPONSIVE
===================================================== */
@media (max-width: 767px) {
  .modal-dialog {
    margin: 0.5rem;
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 1rem;
  }
  
  .btn {
    padding: 0.65rem 1.25rem;
    font-size: var(--fs-5);
  }
  
  .toast-container {
    right: 10px;
    top: 10px;
    left: 10px;
  }
  
  .toast {
    max-width: 100%;
  }
  
  /* Mobil pagination düzenlemeleri */
  .announcements-pagination {
    padding: 0.75rem;
  }
  
  .pagination-btn {
    width: 28px;
    height: 28px;
    margin: 0 0.15rem;
    font-size: var(--fs-5);
  }
}/*===================================================
  MOBILE BOTTOM BAR - 4 Button Navigation
=====================================================*/

/* Sticky Bottom Bar - Sadece mobilde görünür */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-card);
  border-top: 1px solid rgba(31, 76, 138, 0.15);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  z-index: 1050; /* Quick actions (1100) ve accessibility'nin altında */
  padding: 8px 0;
}

/* Bottom Bar Grid - 4 eşit buton */
.bottom-bar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 4px;
}

/* Bottom Bar Button */
.bottom-bar-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 4px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: var(--fs-1);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 8px;
  min-height: 60px;
  position: relative;
}

.bottom-bar-btn:hover,
.bottom-bar-btn.active {
  background-color: rgba(31, 76, 138, 0.08);
  color: var(--primary-color);
}

.bottom-bar-btn i {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.bottom-bar-btn:hover i {
  transform: scale(1.1);
}

.bottom-bar-btn span {
  text-align: center;
  line-height: 1.2;
  display: block;
  max-width: 100%;
  word-wrap: break-word;
}

/* Active state indicator */
.bottom-bar-btn.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 0 0 3px 3px;
}

/* Panel Overlay */
.bottom-bar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1199;
}

.bottom-bar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Panel Container */
.bottom-bar-panel {
  position: fixed;
  bottom: -100%;
  left: 0;
  width: 100%;
  max-height: 70vh;
  background-color: var(--bg-card);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
  transition: bottom 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1200;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-radius: 20px 20px 0 0;
}

.bottom-bar-panel.active {
  bottom: 68px; /* Bottom bar yüksekliği + biraz boşluk */
}

/* Panel Header */
.bottom-bar-panel-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(31, 76, 138, 0.1);
  background-color: var(--bg-card);
  z-index: 10;
  flex-shrink: 0;
}

.sitemap-source-tabs {
  display: flex;
  gap: 4px;
  margin-left: auto;
  margin-right: 8px;
}

.sitemap-tab {
  padding: 4px 12px;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: transparent;
  color: var(--text-muted);
  font-size: var(--fs-3);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.sitemap-tab:hover {
  background: rgba(31, 76, 138, 0.05);
  color: var(--primary-color);
}

.sitemap-tab.active {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

.bottom-bar-panel-title {
  color: var(--primary-color);
  font-size: var(--fs-8);
  font-weight: 600;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.bottom-bar-panel-title i {
  font-size: 1.2rem;
  color: var(--accent-color);
}

.bottom-bar-panel-close {
  background: transparent;
  border: none;
  color: var(--text-color);
  font-size: var(--fs-9);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  border-radius: 50%;
  width: 32px;
  height: 32px;
}

.bottom-bar-panel-close:hover {
  background-color: rgba(31, 76, 138, 0.1);
  transform: rotate(90deg);
}

/* Panel Content */
.bottom-bar-panel-content {
  padding: 16px 20px;
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
}

/* Panel Links - Sitemap, Quick Actions etc. */
.panel-link-group {
  margin-bottom: 24px;
}

.panel-link-group:last-child {
  margin-bottom: 0;
}

.panel-link-group-title {
  font-size: var(--fs-6);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent-color);
  display: inline-block;
}

.panel-link-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.panel-link-list li {
  margin-bottom: 8px;
}

.panel-link-list a {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  color: var(--text-color);
  text-decoration: none;
  font-size: var(--fs-6);
  background: rgba(31, 76, 138, 0.05);
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.panel-link-list a i {
  margin-right: 10px;
  font-size: 1.1rem;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

.panel-link-list a:hover {
  background: rgba(31, 76, 138, 0.1);
  border-color: var(--primary-color);
  transform: translateX(4px);
}

.panel-link-list a:hover i {
  transform: translateX(4px);
}

/* Contact & Social Media Panel */
.contact-social-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-section,
.social-section {
  background: rgba(31, 76, 138, 0.05);
  padding: 16px;
  border-radius: 12px;
}

.contact-section h4,
.social-section h4 {
  font-size: var(--fs-6);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-section h4 i,
.social-section h4 i {
  color: var(--accent-color);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-list li {
  margin-bottom: 10px;
}

.contact-list li:last-child {
  margin-bottom: 0;
}

.contact-list a {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  color: var(--text-color);
  text-decoration: none;
  font-size: var(--fs-5);
  background: var(--white);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.contact-list a i {
  margin-right: 10px;
  font-size: 1.1rem;
  color: var(--primary-color);
}

.contact-list a:hover {
  background: rgba(31, 76, 138, 0.1);
  transform: translateX(4px);
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1;
  background: var(--white);
  border-radius: 12px;
  color: var(--primary-color);
  font-size: var(--fs-10);
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-link:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(31, 76, 138, 0.3);
}

/* Dark Theme */
html[data-theme="dark"] .mobile-bottom-bar {
  background-color: var(--bg-card);
  border-top-color: rgba(54, 103, 166, 0.2);
}

html[data-theme="dark"] .bottom-bar-btn:hover,
html[data-theme="dark"] .bottom-bar-btn.active {
  background-color: rgba(54, 103, 166, 0.2);
  color: var(--primary-light);
}

html[data-theme="dark"] .bottom-bar-panel {
  background-color: var(--bg-card);
}

html[data-theme="dark"] .bottom-bar-panel-header {
  background-color: var(--bg-card);
  border-bottom-color: rgba(54, 103, 166, 0.2);
}

html[data-theme="dark"] .panel-link-list a {
  background: rgba(54, 103, 166, 0.1);
  color: var(--text-light);
}

html[data-theme="dark"] .panel-link-list a:hover {
  background: rgba(54, 103, 166, 0.2);
}

html[data-theme="dark"] .contact-section,
html[data-theme="dark"] .social-section {
  background: rgba(54, 103, 166, 0.1);
}

html[data-theme="dark"] .contact-list a,
html[data-theme="dark"] .social-link {
  background: rgba(54, 103, 166, 0.15);
  color: var(--text-light);
}

html[data-theme="dark"] .contact-list a:hover {
  background: rgba(54, 103, 166, 0.25);
}

html[data-theme="dark"] .social-link:hover {
  background: var(--primary-color);
  color: var(--white);
}

/* Sadece mobilde göster */
@media (max-width: 767px) {
  .mobile-bottom-bar {
    display: block;
  }

  /* Yukarı Çık butonu için alan bırak ve konumlandır */
  body {
    padding-bottom: 76px; /* Bottom bar yüksekliği */
  }

  /* Back to top button - Bottom barın üstünde, footer-bottom'dan uzak */
  .btn-back-to-top {
    bottom: 95px !important; /* Bottom bar yüksekliği (76px) + daha fazla boşluk */
    right: 15px !important;
    z-index: 1090 !important; /* Bottom bar altında ama diğer içeriğin üstünde */
  }

  /* Mobilde float butonları gizle (bottom bar'da olacaklar) */
  .quick-actions-btn,
  .accessibility-trigger {
    display: none !important;
  }

  /* Accessibility widget açıkken bile trigger buton gizli kalsın */
  .accessibility-widget .accessibility-trigger {
    display: none !important;
  }
}