/* =====================================================
   TFSKD İstanbul - Responsive CSS
   Tüm sayfalarda kullanılır
   ===================================================== */

/* ===== TEMEL RESET ===== */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

*, *::before, *::after {
  box-sizing: border-box;
}

img, video, iframe {
  max-width: 100%;
  height: auto;
}

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HEADER ===== */
@media (max-width: 900px) {
  .header-top .container,
  .top-header .container {
    flex-wrap: wrap;
    padding: 10px 15px;
    gap: 10px;
  }

  .search-box {
    width: 200px !important;
  }

  .header-brand-text h1,
  .main-title {
    font-size: 12px !important;
    line-height: 1.3;
  }
}

@media (max-width: 768px) {
  .header-top .container,
  .top-header .container {
    flex-wrap: wrap;
  }

  .search-box {
    display: none !important;
  }

  .header-logo {
    width: 44px !important;
    height: 44px !important;
  }

  .header-text-area {
    flex: 1;
  }

  .main-title {
    font-size: 11px !important;
  }

  .sub-title {
    font-size: 10px !important;
  }

  .official-text {
    display: none;
  }
}

@media (max-width: 480px) {
  .header-text-area,
  .header-brand-text,
  .header-title-text {
    display: none !important;
  }

  .btn-login {
    font-size: 12px !important;
    padding: 8px 12px !important;
  }
}

/* ===== NAVBAR ===== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: all 0.3s;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex !important;
  }

  .nav-links {
    display: none !important;
    flex-direction: column !important;
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    background: var(--navy) !important;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3) !important;
    z-index: 9999 !important;
    border-top: 2px solid var(--red) !important;
  }

  .nav-links.active {
    display: flex !important;
  }

  .nav-links > li > a {
    padding: 14px 20px !important;
    border-bottom: 1px solid rgba(255,255,255,0.05) !important;
    font-size: 14px !important;
    min-height: 48px !important;
    display: flex !important;
    align-items: center !important;
  }

  .dropdown-menu {
    position: static !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    background: rgba(255,255,255,0.05) !important;
    display: none !important;
  }

  .dropdown-menu.open {
    display: block !important;
  }

  .dropdown-menu a {
    color: rgba(255,255,255,0.7) !important;
    padding-left: 36px !important;
    font-size: 13px !important;
  }

  .main-nav {
    position: relative;
  }

  .main-nav.nav-open {
    display: block !important;
  }

  .announcement-bar {
    display: none !important;
  }
}

/* ===== HERO SLIDER ===== */
@media (max-width: 768px) {
  .hero-slider {
    height: 280px !important;
  }

  .slide-overlay {
    padding: 20px !important;
  }

  .slide-overlay h2 {
    font-size: 20px !important;
    margin-bottom: 8px !important;
  }

  .slide-overlay p {
    font-size: 13px !important;
    margin-bottom: 16px !important;
  }

  .btn-slider {
    padding: 10px 20px !important;
    font-size: 13px !important;
  }

  .slider-btn {
    width: 36px !important;
    height: 36px !important;
    font-size: 16px !important;
  }

  .slider-btn.prev { left: 8px !important; }
  .slider-btn.next { right: 8px !important; }
}

@media (max-width: 480px) {
  .hero-slider {
    height: 200px !important;
  }

  .slide-overlay h2 {
    font-size: 16px !important;
  }

  .slide-overlay p {
    display: none !important;
  }
}

/* ===== 3 KOLON ANA LAYOUT ===== */
@media (max-width: 1100px) {
  .main-content {
    grid-template-columns: 220px 1fr 260px !important;
    gap: 16px !important;
    padding: 0 12px !important;
    margin: 20px auto !important;
  }
}

@media (max-width: 900px) {
  .main-content {
    grid-template-columns: 1fr !important;
    margin: 16px auto !important;
    padding: 0 12px !important;
  }

  .left-sidebar,
  .left-sidebar-lovable {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }

  .right-sidebar,
  .right-sidebar-premium {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }

  .ad-300x600 {
    aspect-ratio: 300/250 !important;
    height: auto !important;
  }
}

@media (max-width: 600px) {
  .left-sidebar,
  .left-sidebar-lovable,
  .right-sidebar,
  .right-sidebar-premium {
    grid-template-columns: 1fr !important;
  }
}

/* ===== HABER KARTLARI ===== */
@media (max-width: 900px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 580px) {
  .news-grid {
    grid-template-columns: 1fr !important;
  }

  .news-card-img {
    height: 180px !important;
  }
}

/* ===== PAGE CONTENT ===== */
@media (max-width: 768px) {
  .page-content {
    padding: 0 15px !important;
    margin: 20px auto !important;
  }

  .page-banner {
    padding: 30px 15px !important;
  }

  .page-banner h1 {
    font-size: 24px !important;
  }

  .page-banner p {
    font-size: 14px !important;
  }
}

/* ===== FOOTER ===== */
@media (max-width: 768px) {
  .footer-main,
  footer .footer-main {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
    padding: 28px 16px !important;
  }

  .footer-bottom-content {
    flex-direction: column !important;
    text-align: center !important;
    gap: 8px !important;
    padding: 14px 16px !important;
    font-size: 12px !important;
  }

  .footer-social {
    justify-content: center !important;
    display: flex !important;
    gap: 10px !important;
  }
}

/* ===== BELGELER ===== */
@media (max-width: 768px) {
  .doc-item {
    flex-direction: column !important;
    gap: 12px !important;
  }
}

/* ===== YÖNETİM KURULU ===== */
@media (max-width: 900px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 500px) {
  .team-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ===== GALERİ ===== */
@media (max-width: 768px) {
  .gallery-grid {
    columns: 2 !important;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    columns: 1 !important;
  }
}

/* ===== İLETİŞİM ===== */
@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ===== ÜYE PANELİ ===== */
@media (max-width: 768px) {
  .panel-sidebar {
    position: fixed !important;
    left: -240px !important;
    top: 56px !important;
    bottom: 0 !important;
    transition: left 0.3s ease !important;
    z-index: 1000 !important;
    overflow-y: auto !important;
  }

  .panel-sidebar.open {
    left: 0 !important;
  }

  .panel-main {
    margin-left: 0 !important;
    padding: 16px !important;
  }

  .panel-menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.15);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 20px;
    cursor: pointer;
    margin-right: 8px;
  }

  .stat-cards {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .grid-2 {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  .stat-cards {
    grid-template-columns: 1fr !important;
  }
}

/* ===== ADMİN PANELİ ===== */
@media (max-width: 900px) {
  .admin-sidebar {
    position: fixed !important;
    left: -250px !important;
    top: 0 !important;
    bottom: 0 !important;
    transition: left 0.3s ease !important;
    z-index: 200 !important;
    overflow-y: auto !important;
  }

  .admin-sidebar.open {
    left: 0 !important;
  }

  .admin-main {
    margin-left: 0 !important;
    padding: 16px !important;
  }

  .admin-header {
    padding-left: 16px !important;
  }

  .admin-menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.15);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 20px;
    cursor: pointer;
    margin-right: 8px;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr !important;
  }

  .admin-table {
    font-size: 12px !important;
  }

  .admin-table th,
  .admin-table td {
    padding: 8px 10px !important;
  }
}

/* ===== OVERLAY ===== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}

.sidebar-overlay.active {
  display: block;
}

/* ===== DESKTOP'TA GİZLE ===== */
@media (min-width: 769px) {
  .hamburger {
    display: none !important;
  }

  .admin-menu-toggle,
  .panel-menu-toggle {
    display: none !important;
  }
}

/* ===== TOUCH FRIENDLY ===== */
@media (max-width: 768px) {
  .sidebar-link,
  .nav-links > li > a,
  .btn,
  button {
    min-height: 44px;
  }
}

/* ===== TABLO SCROLL ===== */
@media (max-width: 768px) {
  .admin-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ===== FORM RESPONSIVE ===== */
@media (max-width: 600px) {
  .form-row,
  .form-row-2 {
    grid-template-columns: 1fr !important;
  }
}

/* ===== NAVBAR ===== */
@media (max-width: 768px) {
  .main-nav .container {
    position: relative;
    padding: 0 15px;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    z-index: 999;
    border-top: 2px solid var(--red);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links > li > a {
    padding: 14px 20px !important;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 14px;
  }

  .dropdown-menu {
    position: static !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    border-top: none !important;
    background: rgba(255,255,255,0.05) !important;
    display: none;
  }

  .dropdown-menu a {
    color: rgba(255,255,255,0.7) !important;
    padding-left: 36px !important;
    font-size: 13px;
  }

  .hamburger {
    display: flex !important;
    margin-left: auto;
  }

  .announcement-bar {
    display: none;
  }
}

/* ===== HERO SLIDER ===== */
@media (max-width: 768px) {
  .hero-slider {
    height: 300px !important;
  }

  .slide-overlay h2 {
    font-size: 22px !important;
  }

  .slide-overlay p {
    font-size: 13px !important;
    display: none;
  }

  .btn-slider {
    padding: 10px 20px !important;
    font-size: 13px !important;
  }

  .slider-btn {
    width: 36px !important;
    height: 36px !important;
    font-size: 18px !important;
  }

  .slider-btn.prev { left: 10px !important; }
  .slider-btn.next { right: 10px !important; }
}

@media (max-width: 480px) {
  .hero-slider {
    height: 220px !important;
  }

  .slide-overlay h2 {
    font-size: 17px !important;
  }

  .slide-overlay {
    padding: 20px !important;
  }
}

/* ===== MAIN 3 KOLON LAYOUT ===== */
@media (max-width: 1100px) {
  .main-content {
    grid-template-columns: 220px 1fr 260px !important;
    gap: 16px !important;
    padding: 0 12px !important;
  }
}

@media (max-width: 900px) {
  .main-content {
    grid-template-columns: 1fr !important;
    margin: 20px auto !important;
  }

  .left-sidebar,
  .left-sidebar-lovable {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .right-sidebar,
  .right-sidebar-premium {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .ad-300x600 {
    aspect-ratio: 300/250 !important;
  }
}

@media (max-width: 600px) {
  .left-sidebar,
  .left-sidebar-lovable,
  .right-sidebar,
  .right-sidebar-premium {
    grid-template-columns: 1fr !important;
  }
}

/* ===== HABER KARTLARI ===== */
@media (max-width: 900px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 600px) {
  .news-grid {
    grid-template-columns: 1fr !important;
  }

  .news-card-img {
    height: 180px !important;
  }
}

/* ===== FOOTER ===== */
@media (max-width: 768px) {
  .footer-main,
  footer .footer-main {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
    padding: 30px 20px !important;
  }

  .footer-bottom-content {
    flex-direction: column !important;
    text-align: center !important;
    gap: 10px !important;
    padding: 16px 20px !important;
  }

  .footer-social {
    justify-content: center;
  }
}

/* ===== HAKKIMIZDA ===== */
@media (max-width: 768px) {
  .page-content {
    padding: 0 15px !important;
    margin: 20px auto !important;
  }

  .page-banner {
    padding: 30px 15px !important;
  }

  .page-banner h1 {
    font-size: 26px !important;
  }

  /* Misyon/Vizyon grid */
  .page-content [style*="grid-template-columns: repeat(auto-fit"] {
    grid-template-columns: 1fr !important;
  }
}

/* ===== BELGELER ===== */
@media (max-width: 768px) {
  .doc-item {
    flex-direction: column !important;
    gap: 12px !important;
  }

  .doc-actions {
    flex-direction: row !important;
    width: 100%;
  }

  .doc-actions a {
    flex: 1;
    text-align: center;
  }
}

/* ===== YÖNETİM KURULU ===== */
@media (max-width: 900px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 500px) {
  .team-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ===== MEDYA GALERİ ===== */
@media (max-width: 768px) {
  .gallery-grid {
    columns: 2 !important;
  }

  /* Video grid */
  .page-content [style*="grid-template-columns: repeat(auto-fit, minmax(350px"] {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    columns: 1 !important;
  }
}

/* ===== İLETİŞİM ===== */
@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ===== ÜYE PANELİ ===== */
@media (max-width: 768px) {
  .panel-sidebar {
    position: fixed !important;
    left: -240px !important;
    transition: left 0.3s ease !important;
    z-index: 1000 !important;
  }

  .panel-sidebar.open {
    left: 0 !important;
  }

  .panel-main {
    margin-left: 0 !important;
    padding: 16px !important;
  }

  .panel-header {
    padding: 0 16px !important;
  }

  .panel-header .user-name {
    display: none;
  }

  /* Hamburger butonu üye paneli için */
  .panel-menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.15);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 18px;
    cursor: pointer;
  }

  .stat-cards {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .grid-2 {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  .stat-cards {
    grid-template-columns: 1fr !important;
  }
}

/* ===== ADMİN PANELİ ===== */
@media (max-width: 900px) {
  .admin-sidebar {
    position: fixed !important;
    left: -250px !important;
    transition: left 0.3s ease !important;
    z-index: 1000 !important;
    top: 0 !important;
  }

  .admin-sidebar.open {
    left: 0 !important;
  }

  .admin-main {
    margin-left: 0 !important;
    padding: 16px !important;
  }

  .admin-header {
    padding: 0 16px !important;
  }

  .admin-menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.15);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 18px;
    cursor: pointer;
    margin-right: 10px;
  }

  .admin-table {
    font-size: 12px !important;
  }

  .admin-table th,
  .admin-table td {
    padding: 8px 10px !important;
  }

  /* Bazı kolonları gizle */
  .admin-table .hide-mobile {
    display: none !important;
  }
}

@media (max-width: 600px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr !important;
  }

  .panel-header h3 {
    font-size: 14px !important;
  }

  .btn {
    padding: 7px 12px !important;
    font-size: 12px !important;
  }
}

/* ===== OVERLAY (Sidebar açıkken arka plan) ===== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}

.sidebar-overlay.active {
  display: block;
}

/* ===== GENEL YARDIMCI ===== */
@media (max-width: 768px) {
  /* Tablo scroll */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Buton grupları */
  .btn-group {
    flex-wrap: wrap;
    gap: 6px;
  }

  /* Form grid */
  .form-row-2 {
    grid-template-columns: 1fr !important;
  }

  /* Gizle/göster */
  .hide-mobile { display: none !important; }
  .show-mobile { display: block !important; }
}

@media (min-width: 769px) {
  .show-mobile { display: none !important; }
  .hamburger { display: none !important; }
  .admin-menu-toggle { display: none !important; }
  .panel-menu-toggle { display: none !important; }
}

/* ===== SCROLL DÜZELTME ===== */
html {
  scroll-behavior: smooth;
}

* {
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== TOUCH FRIENDLY ===== */
@media (max-width: 768px) {
  a, button, input, select, textarea {
    min-height: 40px;
  }

  .sidebar-link {
    padding: 14px 18px !important;
  }

  .nav-links > li > a {
    min-height: 48px;
    display: flex;
    align-items: center;
  }
}