/* ==========================================================================
   Hangi Raket ? - Orijinal Koyu Volt/Cyan Tasarım Sistemi
   ========================================================================== */

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

:root {
  --bg-main: #0a0e17;
  --bg-card: rgba(22, 30, 46, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-highlight: rgba(204, 255, 0, 0.4);

  /* Brand & Tennis Accent Colors */
  --tennis-volt: #ccff00; /* Court Volt Yellow/Green */
  --tennis-volt-glow: rgba(204, 255, 0, 0.25);
  --accent-cyan: #00f2fe;
  --accent-orange: #ff6b35;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --racket-1-color: #00f2fe;
  --racket-2-color: #ccff00;

  --modal-bg: #0f172a;
  --input-bg: #1e293b;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-main: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(204, 255, 0, 0.15);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(204, 255, 0, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(0, 242, 254, 0.05) 0%, transparent 40%);
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-heading {
  font-family: 'Outfit', sans-serif;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1.2rem 0;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: rgba(204, 255, 0, 0.1);
  border: 1px solid var(--border-highlight);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tennis-volt);
  box-shadow: var(--shadow-glow);
  transition: var(--transition);
}

.logo:hover .logo-icon {
  transform: rotate(-12deg) scale(1.08);
  background: rgba(204, 255, 0, 0.2);
  border-color: var(--tennis-volt);
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo-text span {
  color: var(--tennis-volt);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--tennis-volt);
  color: #000;
  box-shadow: 0 4px 15px var(--tennis-volt-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--tennis-volt-glow);
  background: #d8ff33;
}

.btn-glass {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-glass:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-cyan), #0072ff);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.25);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.4);
}

/* Hero Section */
.hero {
  padding: 3.5rem 0 2rem;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(204, 255, 0, 0.1);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-full);
  color: var(--tennis-volt);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

/* Racket Selector Grid */
.selector-section {
  margin-bottom: 3rem;
}

.selector-grid {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 1.5rem;
  align-items: center;
}

@media (max-width: 900px) {
  .selector-grid {
    grid-template-columns: 1fr;
  }
}

.racket-card-select {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-main);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.racket-card-select.slot-1 {
  border-top: 4px solid var(--racket-1-color);
}

.racket-card-select.slot-2 {
  border-top: 4px solid var(--racket-2-color);
}

.racket-card-select:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.slot-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.slot-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
}

.slot-1 .slot-title { color: var(--racket-1-color); }
.slot-2 .slot-title { color: var(--racket-2-color); }

.racket-picker-btn {
  width: 100%;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: var(--transition);
}

.racket-picker-btn:hover {
  background: rgba(30, 41, 59, 0.9);
  border-color: var(--tennis-volt);
}

.vs-badge {
  width: 54px;
  height: 54px;
  background: radial-gradient(circle, var(--tennis-volt), #a3db00);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.25rem;
  margin: 0 auto;
  box-shadow: 0 0 20px var(--tennis-volt-glow);
  font-family: 'Outfit', sans-serif;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.vs-badge i {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.vs-badge:hover {
  transform: scale(1.1);
  box-shadow: 0 0 25px rgba(204, 255, 0, 0.5);
}

.vs-badge:hover i {
  transform: rotate(180deg);
}

/* Selected Racket Preview inside Card */
.racket-preview {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  margin-top: 1.2rem;
}

.racket-thumb {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 1px solid var(--border-color);
  background: #1e293b;
}

.racket-meta {
  flex: 1;
}

.racket-meta h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.racket-meta p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.pill-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  margin-top: 0.4rem;
  color: var(--tennis-volt);
}

/* Comparison Section */
.comparison-section {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-main);
}

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

.panel-title {
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Spec Table */
.spec-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.5rem;
}

.spec-row {
  background: rgba(15, 23, 42, 0.5);
  transition: var(--transition);
}

.spec-row:hover {
  background: rgba(30, 41, 59, 0.7);
}

.spec-row td {
  padding: 0.85rem 1rem;
}

.spec-row td:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.spec-row td:last-child {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.spec-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  width: 34%;
}

.spec-val {
  font-weight: 700;
  font-size: 0.95rem;
  width: 33%;
  text-align: center;
}

.spec-val.racket-1 { color: var(--racket-1-color); }
.spec-val.racket-2 { color: var(--racket-2-color); }

.spec-val.winner {
  position: relative;
}

.spec-val.winner::after {
  content: '★';
  font-size: 0.75rem;
  margin-left: 4px;
  color: var(--tennis-volt);
}

/* Radar Chart Container */
.chart-container {
  position: relative;
  width: 100%;
  max-width: 750px;
  height: 420px;
  margin: 1rem auto 2rem;
}

/* Pros & Cons Section */
.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.pro-con-box {
  background: rgba(15, 23, 42, 0.6);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  border: 1px solid var(--border-color);
}

.pro-con-box h4 {
  font-size: 1rem;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.pro-list, .con-list {
  list-style: none;
  font-size: 0.85rem;
}

.pro-list li {
  margin-bottom: 0.4rem;
  color: #4ade80;
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
}

.con-list li {
  margin-bottom: 0.4rem;
  color: #f87171;
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
}

/* Web Search & Quiz Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 8, 15, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.modal-content {
  background: var(--modal-bg, #0f172a);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 650px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
  transform: translateY(20px);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

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

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

/* Racket Selection List in Modal */
.search-input-box {
  position: relative;
  margin-bottom: 1.2rem;
}

.search-input-box input {
  width: 100%;
  padding: 0.9rem 1.2rem 0.9rem 2.8rem;
  background: var(--input-bg, #1e293b);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.search-input-box input:focus {
  border-color: var(--tennis-volt);
  box-shadow: 0 0 10px var(--tennis-volt-glow);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
}

.racket-select-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-height: 400px;
  overflow-y: auto;
}

.racket-item-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 1rem;
  background: rgba(30, 41, 59, 0.5);
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
}

.racket-item-option:hover {
  background: rgba(30, 41, 59, 0.9);
  border-color: var(--tennis-volt);
}

.racket-item-option img {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  object-fit: cover;
}

.racket-item-info h4 {
  font-size: 1rem;
  font-weight: 600;
}

.racket-item-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer a {
  color: var(--tennis-volt);
  text-decoration: none;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #1e293b;
  border: 1px solid var(--tennis-volt);
  color: #fff;
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-main);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateY(100px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}