/* === MODERN SAAS UI SYSTEM === */
:root {
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --glow-orange: 0 0 20px rgba(251, 146, 60, 0.4);
  --glow-purple: 0 0 20px rgba(139, 92, 246, 0.4);
  --chat-panel-width: 27rem; /* 432px - geniş ve konforlu */
}

html, body {
  height: 100%;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === Chat Panel Width === */
@media (min-width: 1024px) {
  .chat-panel {
    width: var(--chat-panel-width) !important;
    display: flex !important;
  }
}

/* === Custom Scrollbar - Modern === */
.chat-scroll {
  scrollbar-width: thin;
  scrollbar-color: #6366f1 #1e293b;
}
.chat-scroll::-webkit-scrollbar {
  width: 8px;
}
.chat-scroll::-webkit-scrollbar-track {
  background: #1e293b;
  border-radius: 10px;
}
.chat-scroll::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #6366f1 0%, #8b5cf6 100%);
  border-radius: 10px;
  border: 2px solid #1e293b;
}
.chat-scroll::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #7c3aed 0%, #a855f7 100%);
}

/* === Brand Chips - Glassmorphism === */
.brand-chip {
  transition: all .3s cubic-bezier(0.4, 0, 0.2, 1);
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(148, 163, 184, 0.1);
  position: relative;
  overflow: hidden;
}
.brand-chip::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s;
}
.brand-chip:hover::before {
  left: 100%;
}
.brand-chip:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 16px rgba(251,146,60,.3), var(--glow-orange);
  border-color: rgba(251,146,60,0.3);
}
.brand-chip:active,
.brand-chip.active {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%) !important;
  transform: translateY(0px) scale(0.98);
  box-shadow: 0 4px 12px rgba(251,146,60,.5), inset 0 2px 4px rgba(0,0,0,0.2);
}

/* === Product Card - Modern SaaS === */
.product-card {
  transition: all .3s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(148, 163, 184, 0.1);
  position: relative;
  overflow: hidden;
}
.product-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.product-card:hover::after {
  transform: scaleX(1);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,.4), var(--glow-purple);
  border-color: rgba(139, 92, 246, 0.3);
}

/* === Chat Panel - Glassmorphism === */
.chat-panel {
  background: rgba(15, 23, 42, 0.95) !important;
  backdrop-filter: blur(20px);
  border-left: 1px solid rgba(148, 163, 184, 0.1);
  display: flex;
  flex-direction: column;
}

/* Masaüstü: panel her zaman görünür */
@media (min-width:1024px) {
  .chat-panel {
    display: flex !important;
    flex-direction: column !important;
    width: 26rem;
    box-shadow: -10px 0 30px rgba(0,0,0,.3);
  }
}

/* Mobil: panel varsayılan gizli, FAB ile açılır */
@media (max-width:1023.98px) {
  .chat-panel {
    display: none !important;
    position: fixed;
    z-index: 50;
    /* Stillemeler mobile-fixes.css'de */
  }
  .chat-panel.is-mobile-open {
    display: flex !important;
    flex-direction: column !important;
    /* Animasyonlar mobile-fixes.css'de */
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* === FAB - Modern Gradient === */
.fab-chat {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 60;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 32px rgba(102, 126, 234, 0.4);
  transition: all .3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid rgba(255,255,255,0.1);
}
.fab-chat:hover {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 12px 40px rgba(102, 126, 234, 0.6), var(--glow-purple);
}
.fab-chat:active {
  transform: scale(0.95);
}
@supports (padding:max(0px)) {
  .fab-chat {
    right: calc(1.5rem + env(safe-area-inset-right));
    bottom: calc(1.5rem + env(safe-area-inset-bottom));
  }
}

/* === Overlay - Blur Effect === */
#chatOverlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  z-index: 40;
  display: none;
  animation: fadeIn 0.3s;
}
#chatOverlay.open {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* === iOS viewport düzeltmeleri === */
html, body {
  height: -webkit-fill-available;
}
@supports (height: 100dvh) {
  .chat-panel.is-mobile-open {
    height: 100dvh;
  }
}
@supports not (height: 100dvh) {
  .chat-panel.is-mobile-open {
    height: -webkit-fill-available;
  }
}

.chat-scroll {
  -webkit-overflow-scrolling: touch;
}
body.ai-sheet-open {
  overflow: hidden;
  overscroll-behavior: none;
}
.fab-chat {
  touch-action: manipulation;
}

/* Panel Mobil Rounded - REMOVED: Artık mobile-fixes.css'de */
/* mobile-fixes.css'deki optimize edilmiş mobil stil kullanılıyor */

/* === Button Styles - Modern === */
.btn-primary {
  background: var(--gradient-primary);
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}
.btn-primary:active::before {
  width: 300px;
  height: 300px;
}

/* === Input Focus - Glow === */
input:focus,
textarea:focus {
  outline: none;
  border-color: #6366f1 !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1), 0 0 20px rgba(99, 102, 241, 0.2);
}

/* === Badge - Gradient === */
.badge-gradient {
  background: var(--gradient-success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(79, 172, 254, 0.7);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(79, 172, 254, 0);
  }
}

/* === Logo Animation === */
.logo-glow {
  filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.5));
  animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* === Chat Messages - Modern Cards === */
.chat-message {
  animation: slideUp 0.3s ease-out;
}

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

.chat-message-bot {
  background: linear-gradient(135deg, rgba(55, 65, 81, 0.4) 0%, rgba(31, 41, 55, 0.6) 100%);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(107, 114, 128, 0.2);
  border-radius: 14px;
  padding: 16px 18px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  position: relative;
  transition: all 0.2s ease;
}

.chat-message-bot:hover {
  border-color: rgba(251, 146, 60, 0.3);
  box-shadow: 0 6px 20px rgba(251, 146, 60, 0.1);
}

.chat-message-bot::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, #f97316 0%, #ea580c 100%);
  border-radius: 14px 0 0 14px;
}

.chat-message-user {
  background: linear-gradient(135deg, rgba(251, 146, 60, 0.15) 0%, rgba(249, 115, 22, 0.1) 100%);
  border: 1px solid rgba(251, 146, 60, 0.25);
  border-radius: 14px;
  padding: 16px 18px;
  margin-left: auto;
  max-width: 85%;
  box-shadow: 0 4px 16px rgba(251, 146, 60, 0.15);
  transition: all 0.2s ease;
}

.chat-message-user:hover {
  border-color: rgba(251, 146, 60, 0.4);
  box-shadow: 0 6px 20px rgba(251, 146, 60, 0.25);
}

/* === Cart Item Cards - Enhanced === */
.cart-item-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.6) 0%, rgba(51, 65, 85, 0.4) 100%);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(148, 163, 184, 0.15);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.cart-item-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(251, 146, 60, 0.5), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.cart-item-card:hover {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(51, 65, 85, 0.6) 100%);
  border-color: rgba(251, 146, 60, 0.3);
  transform: translateX(4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2), -4px 0 12px rgba(251, 146, 60, 0.15);
}

.cart-item-card:hover::after {
  opacity: 1;
}

/* === Quantity Controls - Modern === */
.qty-control {
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.qty-btn {
  padding: 8px 14px;
  background: transparent;
  border: none;
  color: #9ca3af;
  transition: all 0.2s;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qty-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  color: #6366f1;
}

.qty-btn:active {
  transform: scale(0.95);
}

.qty-value {
  min-width: 3rem;
  text-align: center;
  font-weight: 600;
  color: #f3f4f6;
  border-left: 1px solid rgba(148, 163, 184, 0.2);
  border-right: 1px solid rgba(148, 163, 184, 0.2);
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.2);
}

/* === Product Modal - Enhanced === */
.product-modal-content {
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.98) 0%, rgba(30, 41, 59, 0.95) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), 0 0 100px rgba(99, 102, 241, 0.1);
}

/* === Button Hover Effects === */
.btn-remove:hover {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%) !important;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
  transform: translateY(-1px);
}

.btn-add:hover {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%) !important;
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4);
  transform: translateY(-1px);
}

/* === Header Icons - Pulse on Hover === */
.header-icon-btn:hover svg {
  animation: iconPulse 0.5s ease-in-out;
}

@keyframes iconPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
}

/* === Empty State - Elegant === */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: #6b7280;
}

.empty-state svg {
  opacity: 0.3;
  animation: floatSlow 4s ease-in-out infinite;
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}