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

:root {
  --primary: #1fc7d4;
  --primary-hover: #31d0dd;
  --secondary: #7645d9;
  --accent: #ed4b9e;
  --success: #31d0aa;
  --warning: #ffb237;
  --error: #ed4b9e;
  --text: #280d5f;
  --text-light: #7a6eaa;
  --text-white: #ffffff;
  --bg: #faf9fa;
  --bg-alt: #ffffff;
  --card-bg: #ffffff;
  --card-shadow: 0px 20px 50px -20px rgba(25, 19, 38, 0.4), 0px 8px 12px rgba(25, 19, 38, 0.15);
  --border: #e7e3eb;
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
  --radius: 28px;
  --radius-sm: 16px;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --glow: 0 0 30px rgba(118, 69, 217, 0.3);
  --glow-primary: 0 0 30px rgba(31, 199, 212, 0.3);
}

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

body {
  font-family: 'Kanit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, var(--bg) 0%, #f5f3ff 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  font-weight: 400;
  min-height: 100vh;
}

.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  overflow: hidden;
  background: linear-gradient(45deg, rgba(118, 69, 217, 0.05) 0%, rgba(31, 199, 212, 0.05) 50%, rgba(237, 75, 158, 0.05) 100%);
}

.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.7;
  animation: float 25s infinite ease-in-out;
  filter: blur(20px);
  transform-origin: center;
}

.p1 { width: 250px; height: 250px; top: 10%; left: 5%; background: rgba(118, 69, 217, 0.2); animation-duration: 35s; }
.p2 { width: 300px; height: 300px; top: 60%; right: 5%; background: rgba(31, 199, 212, 0.15); animation-duration: 40s; animation-delay: -8s; }
.p3 { width: 180px; height: 180px; bottom: 15%; left: 15%; background: rgba(237, 75, 158, 0.15); animation-duration: 30s; animation-delay: -15s; }
.p4 { width: 220px; height: 220px; top: 20%; right: 20%; background: rgba(255, 178, 55, 0.15); animation-duration: 45s; animation-delay: -20s; }
.p5 { width: 150px; height: 150px; bottom: 25%; right: 25%; background: rgba(49, 208, 170, 0.15); animation-duration: 50s; animation-delay: -30s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); opacity: 0.5; }
  25% { transform: translateY(-50px) rotate(90deg) scale(1.15); opacity: 0.8; }
  50% { transform: translateY(0) rotate(180deg) scale(1); opacity: 0.5; }
  75% { transform: translateY(50px) rotate(270deg) scale(1.15); opacity: 0.8; }
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(25px);
}

.nav-brand .logo {
  font-size: 28px;
  font-weight: 800;
  color: var(--secondary);
  display: flex;
  align-items: center;
}

.nav-brand .logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--gradient-primary);
  transition: var(--transition);
  transform: translateX(-50%);
  border-radius: 10px;
}

.nav-link:hover::before { width: 90%; }
.nav-link:hover { color: var(--secondary); background-color: rgba(118, 69, 217, 0.1); }

.nav-widgets {
  display: flex;
  align-items: center;
  gap: 16px;
}

.network-switcher { position: relative; }

.network-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background-color: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.network-status:hover { border-color: var(--primary); }

.network-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
  position: relative;
}

.network-indicator.connected { background-color: var(--success); }
.network-indicator.disconnected { background-color: var(--error); }

.network-name { font-weight: 700; font-size: 14px; }

.network-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  width: 260px;
  background-color: var(--bg-alt);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--card-shadow);
  z-index: 10;
  display: none;
  margin-top: 12px;
}

.network-dropdown.active {
  display: block;
  animation: slideDown 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-15px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.network-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
}

.network-option:hover { background-color: rgba(118, 69, 217, 0.1); }

.network-info { display: flex; align-items: center; gap: 10px; }

.network-badge {
  background: var(--gradient-primary);
  color: white;
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 700;
}

.connect-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 800;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.connect-btn:hover { transform: translateY(-3px); }

.wallet-info {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.wallet-info:hover { border-color: var(--primary); }
.wallet-address { font-size: 14px; font-weight: 700; }

.dex-container {
  display: flex;
  justify-content: center;
  align-items: top;
  padding: 30px 20px;
  min-height: 50%;
}

.dex-card {
  width: 100%;
  max-width: 500px;
  background-color: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.dex-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--gradient-primary);
  opacity: 0.8;
}

.dex-card:hover { transform: translateY(-5px); }

.card-header { padding: 20px 24px 0; }

.card-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}

.card-tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text-light);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
  flex-shrink: 0;
}

.tab-btn.active { color: var(--secondary); }

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 4px 4px 0 0;
}

.tab-btn:hover { color: var(--secondary); }

.card-content { padding: 24px; }

.tab-content { display: none; }

.tab-content.active {
  display: block;
  animation: fadeIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.swap-container { display: flex; flex-direction: column; gap: 20px; }

.input-card {
  background-color: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.input-card:focus-within { border-color: var(--primary); }

.input-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 700;
}

.balance { font-size: 13px; color: var(--text-light); font-weight: 600; }

.input-body {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.input-body input {
  flex: 1;
  background: none;
  border: none;
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  outline: none;
  min-width: 120px;
}

.input-body input::placeholder { color: var(--text-light); }

.token-selector {
  display: flex;
  align-items: center;
  gap: 10px;
}

.selected-token {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background-color: var(--bg-alt);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  min-width: 140px;
  transition: var(--transition);
  cursor: pointer;
}

.selected-token:hover { border-color: var(--primary); }
.selected-token img { width: 28px; height: 28px; border-radius: 50%; }

.token-dropdown {
  appearance: none;
  background: none;
  border: none;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  outline: none;
  cursor: pointer;
  width: 100%;
}

.metamask-add {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-light);
  cursor: pointer;
  transition: var(--transition);
}

.metamask-add:hover { border-color: var(--primary); color: var(--primary); }

.swap-divider {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  margin: 12px 0;
}

.swap-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  z-index: 2;
}

.swap-arrow:hover { transform: rotate(180deg) scale(1.1); }

.swap-settings {
  background-color: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: var(--transition);
}

.swap-settings:hover { border-color: var(--primary); }

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  font-weight: 600;
}

.slippage-control {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slippage-control input {
  width: 70px;
  padding: 6px 10px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: right;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
}

.slippage-control input:focus { border-color: var(--primary); }

.action-button {
  width: 100%;
  padding: 18px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.action-button:hover { transform: translateY(-3px); }
.action-button.remove { background: var(--gradient-accent); }

.liquidity-container { display: flex; flex-direction: column; gap: 20px; }
.full-width { width: 100%; }

.liquidity-forms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.form-card {
  background-color: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.form-card:hover { border-color: var(--primary); }
.form-card h3 { margin-bottom: 20px; font-size: 20px; font-weight: 800; }

.input-group { margin-bottom: 20px; }
.input-group label { display: block; margin-bottom: 10px; font-size: 15px; font-weight: 700; }

.input-group input {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  transition: var(--transition);
  font-weight: 600;
}

.input-group input:focus { border-color: var(--primary); outline: none; }

.create-pool-container { display: flex; flex-direction: column; gap: 20px; }

.pools-container h2 { margin-bottom: 20px; font-size: 24px; font-weight: 800; }

.pools-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }

.pool-item {
  background-color: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.pool-item:hover { border-color: var(--primary); transform: translateY(-3px); }
.pool-item h3 { font-size: 20px; margin-bottom: 12px; color: var(--secondary); font-weight: 800; }
.pool-item p { margin-bottom: 10px; font-size: 15px; color: var(--text); font-weight: 600; }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 30px;
  text-align: center;
  color: var(--text-light);
}

.empty-state i { font-size: 50px; margin-bottom: 20px; opacity: 0.8; }

.notification-toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: var(--bg-alt);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--card-shadow);
  transform: translateY(150px) scale(0.9);
  opacity: 0;
  transition: var(--transition);
  z-index: 10000;
}

.notification-toast.visible { transform: translateY(0) scale(1); opacity: 1; }
.toast-icon { font-size: 24px; color: var(--success); }
.toast-content { font-size: 15px; font-weight: 600; }

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  color: white;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 1s linear infinite;
}

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

.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--bg-alt);
  border-top: 2px solid var(--border);
  z-index: 90;
  padding: 10px 0;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 12px;
  color: var(--text-light);
  cursor: pointer;
  padding: 5px 8px;
  transition: var(--transition);
  border-radius: var(--radius-sm);
}

.nav-item.active {
  color: var(--secondary);
  background: rgba(118, 69, 217, 0.1);
}

.nav-item i { font-size: 18px; margin-bottom: 4px; }

.network-info { font-size: 12px; color: var(--text-light); margin-top: 4px; }

@media (max-width: 768px) {
  .mobile-nav { display: flex; justify-content: space-around; }
  .main-nav { flex-direction: column; gap: 20px; padding: 16px; }
  .nav-links { order: 3; width: 100%; justify-content: center; gap: 8px; }
  .nav-link { padding: 8px 12px; font-size: 14px; }
  .nav-widgets { width: 100%; justify-content: space-between; }
  .dex-container { padding: 20px 16px; }
  .liquidity-forms { grid-template-columns: 1fr; }
  .card-tabs { overflow-x: auto; }
  .tab-btn { padding: 10px 14px; font-size: 14px; }
  .card-content { padding: 20px; }
  .input-card { padding: 16px; }
  .input-body input { font-size: 24px; }
  .selected-token { min-width: 120px; padding: 6px 10px; }
  .selected-token img { width: 24px; height: 24px; }
  .token-dropdown { font-size: 14px; }
  .swap-arrow { width: 36px; height: 36px; }
  .action-button { padding: 16px; font-size: 16px; }
  .network-dropdown { width: 95vw; right: 2.5vw; }
}

@media (max-width: 480px) {
  body, html { overflow-x: hidden; width: 100%; }
  .dex-container { padding: 16px 12px; }
  .card-content { padding: 16px; }
  .input-body { flex-direction: column; align-items: flex-start; gap: 10px; }
  .input-body input { font-size: 22px; width: 100%; }
  .token-selector { width: 100%; justify-content: space-between; }
  .selected-token { width: 100%; min-width: auto; }
  .main-nav { padding: 12px; }
  .nav-brand .logo { font-size: 24px; }
  .connect-btn { padding: 10px 16px; font-size: 14px; }
  .network-status { padding: 8px 12px; }
  .notification-toast { bottom: 20px; right: 20px; padding: 16px; }
  .form-card { padding: 16px; }
  .input-group input { padding: 12px 14px; }
  .pool-item { padding: 16px; }
}