/* ==================== YKSTercihim.net Master CSS ==================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;700;800&display=swap');

/* Default (Dark Mode - PC App Theme) */
:root, [data-theme="dark"] {
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.4);
  --secondary: #06b6d4;
  --accent: #f59e0b;
  --accent-purple: #8b5cf6;
  --success: #10b981;
  --danger: #ef4444;
  
  --bg-dark: #111827;
  --bg-card: rgba(31, 41, 55, 0.85);
  --bg-card-hover: rgba(55, 65, 81, 0.9);
  --bg-input: #172033;
  --border-color: #374151;
  --border-color-active: #3b82f6;
  
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-dim: #bfdbfe;
  --code-bg: rgba(0, 0, 0, 0.6);

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.3);
  --backdrop-filter: blur(16px);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  --bg-gradient: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 45%),
                 radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.12) 0%, transparent 45%),
                 radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 60%);
}

/* Light Mode (Gündüz Modu - PC App Theme) */
[data-theme="light"] {
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.25);
  --secondary: #0891b2;
  --accent: #d97706;
  --accent-purple: #7c3aed;
  --success: #059669;
  --danger: #dc2626;
  
  --bg-dark: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-card-hover: rgba(241, 245, 249, 0.95);
  --bg-input: #ffffff;
  --border-color: #e5e7eb;
  --border-color-active: #3b82f6;
  
  --text-main: #111827;
  --text-muted: #4b5563;
  --text-dim: #1e3a8a;
  --code-bg: rgba(241, 245, 249, 0.9);

  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);

  --bg-gradient: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 45%),
                 radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.06) 0%, transparent 45%),
                 radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.04) 0%, transparent 60%);
}

/* ==================== BASE STYLES & RESET ==================== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

section[id], div[id], main[id] {
  scroll-margin-top: 100px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  background-image: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Grid Layout Columns */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* Base Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #2563eb);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-active);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
  border-radius: 8px;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1.1rem;
  border-radius: 14px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-plus {
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-pro {
  background: rgba(6, 182, 212, 0.15);
  color: var(--secondary);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-basic {
  background: rgba(156, 163, 175, 0.15);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

/* Glass Cards */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-filter);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.glass-card:hover {
  border-color: var(--border-color-active);
}

/* Navbar & Brand */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-filter);
  border-bottom: 1px solid var(--border-color);
  padding: 6px 0;
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: nowrap;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-logo-img {
  height: 34px;
  width: auto;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  white-space: nowrap;
}

.brand-title span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.portal-switch-mini {
  display: inline-flex;
  background: rgba(120,120,120,0.12);
  padding: 2px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  width: 100%;
}

.portal-switch-btn-mini {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.portal-switch-btn-mini.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}

.nav-menu {
  display: flex;
  gap: 4px;
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 5px 12px;
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background: rgba(59, 130, 246, 0.12);
}

.nav-right {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Theme Toggle Button (Icon-Only) */
.theme-toggle-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-main);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  border-color: var(--primary);
  transform: scale(1.05);
}

/* User Account Dropdown Menu */
.user-dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  top: 115%;
  min-width: 190px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  padding: 8px;
  z-index: 1000;
  backdrop-filter: var(--backdrop-filter);
}

.user-dropdown-content.show {
  display: block;
  animation: fadeIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.user-dropdown-content a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  border-radius: 10px;
  transition: var(--transition);
}

.user-dropdown-content a:hover {
  background: rgba(59, 130, 246, 0.12);
  color: var(--primary);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--border-color-active);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Modal Overlay & Card */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-card-wide {
  max-width: 940px;
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--danger);
}

/* Page Views */
.page-view {
  display: none;
}

.page-view.active {
  display: block;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tercih Robotu Filters & Search Bar */
.tr-search-box {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.tr-filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

/* Tercih Robotu Program List Cards */
.tr-card-row {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 18px 22px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
  width: 100%;
}

.tr-card-row:hover {
  border-color: var(--border-color-active);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.tr-card-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 100px;
}

.tr-card-mid {
  flex: 1;
}

.tr-card-right {
  min-width: 170px;
}

/* CountDown Timer Cards */
.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 32px 0;
}

.countdown-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.countdown-val {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.countdown-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 8px;
}

/* Switch Toggle */
.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(120, 120, 120, 0.3);
  transition: .4s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px; width: 18px;
  left: 3px; bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider { background-color: var(--primary); }
input:checked + .slider:before { transform: translateX(24px); }

/* RESPONSIVE LAYOUT MEDIA QUERIES */
@media (max-width: 992px) {
  .nav-container {
    flex-wrap: wrap;
  }
  .nav-menu {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-top: 10px;
  }
  #results-cards-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 768px) {
  .tr-card-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .tr-card-right {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  #results-cards-grid {
    grid-template-columns: 1fr !important;
  }
  .countdown-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==================== CORPORATE SAAS SIDEBAR LAYOUT ==================== */
.corporate-wrapper {
  display: flex;
  min-height: 100vh;
  width: 100vw;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  background-color: var(--bg-dark);
  color: var(--text-main);
  background-image: var(--bg-gradient);
}

.corporate-sidebar {
  width: 270px;
  background: var(--bg-card);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  flex-shrink: 0;
  backdrop-filter: var(--backdrop-filter);
  height: 100vh;
}

.corporate-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.corporate-brand img {
  height: 34px;
}

.corporate-brand-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-main);
  line-height: 1.2;
}

.corporate-nav-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.corporate-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.corporate-nav-item:hover {
  background: rgba(120, 120, 120, 0.08);
  color: var(--text-main);
}

.corporate-nav-item.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(6, 182, 212, 0.12));
  color: var(--primary);
  border-color: rgba(59, 130, 246, 0.3);
  font-weight: 700;
}

.corporate-user-block {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.corporate-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  height: 100vh;
}

.corporate-topbar {
  height: 64px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: var(--backdrop-filter);
}

.corporate-content {
  padding: 28px;
  flex: 1;
}

@media (max-width: 900px) {
  .corporate-wrapper {
    flex-direction: column;
  }
  .corporate-sidebar {
    width: 100%;
    height: auto;
  }
}

/* ==================== ONBOARDING & PACKAGE CARDS ==================== */
.package-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.package-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.15);
}

.package-card.selected {
  border: 2px solid var(--primary);
  box-shadow: 0 0 25px rgba(59, 130, 246, 0.35);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.08), var(--bg-card));
}

.package-card.popular {
  border-color: rgba(245, 158, 11, 0.6);
}

.package-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 20px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.package-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
  margin-top: 4px;
}

.package-price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}

.package-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
}

.package-period {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.package-discount {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--success);
  margin-bottom: 14px;
}

.package-features {
  list-style: none;
  padding: 0;
  margin: 16px 0 20px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--text-muted);
  border-top: 1px dashed var(--border-color);
  padding-top: 14px;
}

.package-features li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.package-features li strong {
  color: var(--text-main);
}

.package-features .icon {
  font-size: 1rem;
}

.package-select-btn {
  margin-top: auto;
  padding: 10px;
  font-weight: 700;
  border-radius: 12px;
}

/* ========================================================
   ---- Extra navbar / tercih robotu styles ----
   (Moved from index.html inline style block)
   ======================================================== */
.navbar { padding: 10px 0; }
.nav-container { flex-wrap: nowrap; gap: 16px; align-items: center; }

/* Single-row brand: logo + title inline */
.brand-block { display: flex; flex-direction: column; gap: 3px; }
.brand-logo-wrap { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo-img { height: 40px; width: auto; }
.brand-title { font-size: 1.35rem; font-weight: 800; color: var(--text-main); white-space: nowrap; }
.brand-title span { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* Mini switcher above brand */
.portal-switch-mini { display: flex; background: rgba(120,120,120,0.1); padding: 2px; border-radius: 999px; border: 1px solid var(--border-color); align-self: flex-start; }
.portal-switch-btn-mini { font-size: 0.7rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; color: var(--text-muted); background: transparent; border: none; cursor: pointer; transition: var(--transition); text-transform: uppercase; letter-spacing: 0.4px; }
.portal-switch-btn-mini.active { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; }

/* Nav auth area and theme toggle - strictly horizontal single row */
.nav-right { display: flex; flex-direction: row; align-items: center; gap: 10px; }
.portal-switch-mini-right { display: flex; align-items: center; gap: 6px; }

/* Tercih Robotu */
.tr-search-row { display: flex; gap: 10px; margin-bottom: 12px; align-items: center; }
.tr-filter-panel { background: rgba(120,120,120,0.07); border: 1px solid var(--border-color); border-radius: 14px; padding: 20px; margin-bottom: 14px; display: none; }
.tr-filter-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 14px; }
.tr-filter-row2 { display: grid; grid-template-columns: repeat(2, 1fr) auto auto; gap: 10px; align-items: end; }
.tr-filter-caption { font-size: 0.78rem; font-weight: 700; color: var(--text-muted); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.4px; }
.tr-pagination { display: flex; align-items: center; justify-content: flex-end; gap: 10px; margin-top: 12px; }
.tr-result-info { color: var(--text-muted); font-size: 0.88rem; font-style: italic; margin-bottom: 10px; }
.tr-row:hover { background: rgba(120,120,120,0.08); }
.tr-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.tr-table th { padding: 12px 10px; background: rgba(120,120,120,0.06); font-weight: 700; font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border-color); text-align: left; white-space: nowrap; }
.tr-table td { border-bottom: 1px solid rgba(120,120,120,0.1); vertical-align: middle; }
.tr-table-wrap { overflow-x: auto; border-radius: 14px; border: 1px solid var(--border-color); background: var(--bg-card); }
.tr-layout { display: grid; grid-template-columns: 1fr 280px; gap: 20px; }

/* Filter toggle btn */
#btn-filter-toggle.active { background: rgba(99,102,241,0.2); border-color: var(--primary); color: var(--primary); }

/* Tercih Robotu Kart Satırları */
.tr-card-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 18px;
  margin-bottom: 8px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: var(--bg-card);
  transition: var(--transition);
}
.tr-card-row:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-active);
  transform: translateY(-1px);
}
.tr-card-left  { width: 120px; flex-shrink: 0; }
.tr-card-mid   { flex: 1; min-width: 0; }
.tr-card-right { width: 190px; flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-end; justify-content: space-between; }
.tr-card-wrap  { background: transparent; }

/* Detay modalı için geniş kart */
.modal-card-wide {
  width: 95%;
  max-width: 940px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--shadow-card);
  position: relative;
  transform: scale(0.95);
  transition: var(--transition);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-overlay.active .modal-card-wide { transform: scale(1); }

@media(max-width: 640px) {
  .tr-card-row { flex-direction: column; gap: 10px; }
  .tr-card-right { width: 100%; flex-direction: row; align-items: center; justify-content: space-between; }
  .tr-card-left { width: 100%; display: flex; align-items: center; gap: 12px; }
}

/* Auth Modal - Sekmeler */
.auth-tab {
  flex: 1; padding: 9px 0; border-radius: 9px; border: none;
  background: transparent; color: var(--text-muted); font-weight: 700;
  font-size: 0.9rem; cursor: pointer; transition: var(--transition);
}
.auth-tab.active {
  background: var(--bg-card); color: var(--text-main);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.btn-google {
  width: 100%; display: flex; align-items: center; justify-content: center;
  padding: 11px; border-radius: 12px; border: 1px solid var(--border-color);
  background: var(--bg-input); color: var(--text-main); font-weight: 600;
  font-size: 0.93rem; cursor: pointer; transition: var(--transition); margin-bottom: 16px;
}
.btn-google:hover { background: var(--bg-card-hover); transform: translateY(-1px); }
.auth-divider {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px; color: var(--text-dim); font-size: 0.8rem;
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border-color);
}
/* Filter grid expanded for 4 cols on large screens */
.tr-filter-grid { grid-template-columns: repeat(4, 1fr) !important; }
@media(max-width: 900px) { .tr-filter-grid { grid-template-columns: repeat(2,1fr) !important; } }
@media(max-width: 540px) { .tr-filter-grid { grid-template-columns: 1fr !important; } }

/* ==================== MOBIL UYUM (768px altı) ==================== */
@media (max-width: 768px) {
  .grid-4,
  .grid-3 {
    grid-template-columns: 1fr !important;
  }
  .grid-2 {
    grid-template-columns: 1fr !important;
  }
  .countdown-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .countdown-box {
    padding: 20px 10px;
  }
  .countdown-val {
    font-size: 2.6rem;
  }
  .countdown-label {
    font-size: 0.72rem;
  }
  /* Tercih robotu layout: yan yana değil, alt alta */
  .tr-layout {
    grid-template-columns: 1fr !important;
    gap: 20px;
  }
  .tr-card-right {
    width: 100% !important;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .tr-card-left {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  /* Navbar sıkıştırma */
  .nav-top-row {
    flex-wrap: wrap;
    gap: 8px;
  }
  .nav-right {
    min-width: 140px !important;
  }
  .portal-switch-mini {
    font-size: 0.6rem;
  }
  .portal-switch-btn-mini {
    font-size: 0.68rem;
    padding: 2px 6px;
  }
  .theme-toggle-btn {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }
  .brand-title {
    font-size: 1.1rem;
  }
  /* Navbar menüsü mobil kaydırma */
  .nav-menu {
    display: flex;
    gap: 6px;
    white-space: nowrap;
  }
  /* Başlık font boyutları */
  h1 { font-size: 2.2rem !important; }
  h2 { font-size: 1.8rem !important; }
  h3 { font-size: 1.3rem !important; }
  h4 { font-size: 1.1rem !important; }
  /* Buton */
  .btn-lg {
    padding: 12px 26px;
    font-size: 0.95rem;
  }
  .btn {
    font-size: 0.88rem;
    padding: 9px 16px;
  }
  /* Container padding */
  .container {
    padding: 0 14px;
  }
  /* Modal genişliği */
  .modal-card {
    padding: 24px;
    max-width: 95vw;
  }
  .modal-card-wide {
    padding: 24px;
    max-width: 98vw;
  }
  /* Auth modal */
  .auth-tab {
    font-size: 0.8rem;
    padding: 8px 0;
  }
  /* Form-group */
  .form-label {
    font-size: 0.82rem;
  }
  /* Puan hesaplama formu gridleri tek sütun */
  #form-yks-calc .glass-card [style*="grid-template-columns:2fr 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  #form-yks-calc .glass-card input {
    width: 100%;
  }
  /* Footer grid */
  footer .container > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
}

/* ==================== CORPORATE MOBIL (540px altı) ==================== */
@media (max-width: 540px) {
  /* Hero başlık */
  .corp-hero-title { font-size: 1.6rem !important; }
  .corp-hero-desc { font-size: 1rem !important; }
  /* İletişim bölümü 2 sütunu tek sütuna */
  #iletisim [style*="grid-template-columns:1fr 1fr"],
  #iletisim [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  /* Form name/phone gridi tek sütuna */
  #contact-form [style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  /* MacBook içi 2fr 1fr gridi tek sütuna */
  #uygulamalar [style*="grid-template-columns: 2fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}

/* ==================== MOBIL UYUM (480px altı) ==================== */
@media (max-width: 480px) {
  .countdown-grid {
    grid-template-columns: 1fr;
  }
  .countdown-val {
    font-size: 2.2rem;
  }
  .glass-card {
    padding: 20px;
  }
  h1 { font-size: 1.8rem !important; }
  h2 { font-size: 1.5rem !important; }
  .tr-filter-grid {
    grid-template-columns: 1fr !important;
  }
   /* Navbar tek satır - menü scroll */
  .nav-top-row {
    flex-direction: row;
    flex-wrap: nowrap;
  }
  .nav-right {
    min-width: 100px !important;
  }
  .nav-menu-scroll {
    flex: 1;
    min-width: 0;
  }
  .portal-switch-mini {
    font-size: 0.55rem;
  }
  .portal-switch-btn-mini {
    font-size: 0.58rem;
    padding: 1px 4px;
  }
  .brand-title {
    font-size: 0.95rem;
  }
  /* Scroll sentinel */
  .tr-card-wrap {
    max-height: 60vh;
    overflow-y: auto;
  }
}