:root {
  --bg-color: #030206;
  --panel-bg: rgba(10, 8, 20, 0.72);
  --panel-border: rgba(168, 85, 247, 0.22);
  --panel-border-focus: rgba(59, 130, 246, 0.6);
  
  --primary-glow: linear-gradient(135deg, #a855f7 0%, #3b82f6 50%, #06b6d4 100%);
  --btn-primary: linear-gradient(90deg, #a855f7 0%, #3b82f6 50%, #06b6d4 100%);
  --btn-primary-hover: linear-gradient(90deg, #b86bf8 0%, #4f92fc 50%, #22d3ee 100%);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #4b5563;
  
  --neon-purple: #c084fc;
  --neon-blue: #60a5fa;
  --neon-cyan: #22d3ee;
  --neon-green: #34d399;
  --neon-red: #f87171;
  
  --font-family: 'Outfit', sans-serif;
  --border-radius-lg: 28px;
  --border-radius-md: 20px;
  --border-radius-sm: 14px;
  
  --shadow-glow: 0 0 40px rgba(168, 85, 247, 0.2), 0 0 80px rgba(59, 130, 246, 0.1);
  --shadow-btn: 0 0 25px rgba(168, 85, 247, 0.5), 0 0 50px rgba(6, 182, 212, 0.2);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  justify-content: center;
}

.bg-banner-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: url('assets/banner.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
  filter: brightness(0.28) saturate(1.2) contrast(1.1);
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at center, rgba(15, 10, 35, 0.25) 0%, rgba(3, 2, 6, 0.95) 100%);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: -1;
}

.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  max-width: 1200px;
  padding: 0 24px;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  height: 90px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-image-main {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(168, 85, 247, 0.4);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.6);
  animation: float 4s ease-in-out infinite;
}

.logo-text {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.7px;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text .highlight {
  background: var(--primary-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.network-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 16px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.network-badge.hidden {
  display: none;
}

.network-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--neon-green);
  box-shadow: 0 0 10px var(--neon-green);
}

.connect-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  padding: 10px 22px;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.connect-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--btn-primary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s ease;
}

.connect-btn:hover {
  border-color: transparent;
  box-shadow: var(--shadow-btn);
  transform: translateY(-2px);
  color: #fff;
}

.connect-btn:hover::after {
  opacity: 1;
}

.connect-btn:active {
  transform: translateY(0);
}

.connect-btn.connected {
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: var(--neon-purple);
  text-shadow: 0 0 10px rgba(168, 85, 247, 0.3);
}

.connect-btn.connected:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--neon-red);
  text-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

.app-main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 0;
}

.swap-container {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-glow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  width: 100%;
  max-width: 480px;
  border-radius: var(--border-radius-lg);
  padding: 28px;
  position: relative;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.swap-container:hover {
  border-color: rgba(168, 85, 247, 0.35);
}

.tabs-container {
  display: flex;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4px;
  border-radius: var(--border-radius-sm);
  margin-bottom: 24px;
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 10px 0;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border-radius: 10px;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
  background: rgba(168, 85, 247, 0.15);
  color: var(--neon-purple);
  border: 1px solid rgba(168, 85, 247, 0.25);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.15);
}

.swap-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.view-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  transform: rotate(45deg);
}

.settings-dropdown {
  position: absolute;
  top: 135px;
  right: 28px;
  left: 28px;
  background: rgba(10, 8, 22, 0.96);
  border: 1px solid var(--panel-border);
  border-radius: var(--border-radius-md);
  padding: 18px;
  z-index: 10;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(15px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: slide-down 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.settings-dropdown.hidden {
  display: none;
}

.settings-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.settings-row span {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

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

.slip-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  flex: 1;
  transition: all 0.2s ease;
}

.slip-btn:hover, .slip-btn.active {
  background: var(--neon-purple);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.3);
}

.slip-custom {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0 10px;
  border-radius: 10px;
  flex: 1.5;
  height: 36px;
}

.slip-custom input {
  background: transparent;
  border: none;
  color: #fff;
  width: 100%;
  height: 100%;
  font-size: 13px;
  font-weight: 600;
  outline: none;
  text-align: right;
  padding-right: 4px;
}

.slip-custom span {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
}

.deadline-input-container {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0 12px;
  border-radius: 10px;
  height: 38px;
  width: 140px;
}

.deadline-input-container input {
  background: transparent;
  border: none;
  color: #fff;
  width: 100%;
  font-size: 14px;
  font-weight: 700;
  outline: none;
}

.deadline-input-container span {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.view-panel {
  display: block;
  animation: fade-in 0.25s ease;
}

.view-panel.hidden {
  display: none;
}

.token-input-box {
  background: rgba(4, 2, 8, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.2s ease;
}

.token-input-box:focus-within {
  background: rgba(4, 2, 8, 0.8);
  border-color: var(--panel-border-focus);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.15);
}

.token-input-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.token-input-row .label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.token-input-row .balance {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.token-amount-input {
  background: transparent;
  border: none;
  outline: none;
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  width: 100%;
  min-width: 0;
  padding: 0;
  letter-spacing: -0.5px;
}

.token-amount-input::placeholder {
  color: rgba(255, 255, 255, 0.18);
}

.token-amount-input::-webkit-outer-spin-button,
.token-amount-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.token-amount-input[type=number] {
  -moz-appearance: textfield;
}

.token-select {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 14px;
  border-radius: 9999px;
  transition: all 0.2s ease;
  user-select: none;
}

.token-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(255,255,255,0.1);
}

.token-symbol {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.2px;
  color: #fff;
}

.max-btn {
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: var(--neon-purple);
  padding: 3px 9px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-left: 4px;
}

.max-btn:hover {
  background: var(--neon-purple);
  border-color: transparent;
  color: #000;
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.3);
}

.swap-divider {
  display: flex;
  justify-content: center;
  margin: -12px 0;
  position: relative;
  z-index: 2;
}

.arrow-bg {
  background: #0f0b1e;
  border: 4px solid #070510;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.arrow-bg:hover {
  color: var(--neon-cyan);
  background: #191432;
  transform: scale(1.12) rotate(180deg);
  box-shadow: 0 0 15px rgba(34, 211, 238, 0.4);
  border-color: rgba(34, 211, 238, 0.2);
}

.arrow-bg.no-hover {
  cursor: default;
}
.arrow-bg.no-hover:hover {
  transform: none;
  box-shadow: none;
  color: var(--text-secondary);
  background: #0f0b1e;
  border-color: #070510;
}

.swap-details {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.02);
  border-radius: var(--border-radius-md);
  padding: 16px 20px;
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: fade-in 0.3s ease;
}

.swap-details.hidden {
  display: none;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 500;
}

.detail-row span:first-child {
  color: var(--text-secondary);
}

.detail-row span:last-child {
  color: var(--text-primary);
  font-weight: 700;
}

.action-btn-main {
  width: 100%;
  background: var(--btn-primary);
  border: none;
  outline: none;
  color: #fff;
  height: 58px;
  border-radius: var(--border-radius-md);
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  margin-top: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.action-btn-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.24),
    transparent
  );
  transition: 0.5s;
}

.action-btn-main:hover::before {
  left: 100%;
}

.action-btn-main:hover {
  background: var(--btn-primary-hover);
  box-shadow: var(--shadow-btn);
  transform: translateY(-2px);
}

.action-btn-main:active {
  transform: translateY(1px);
}

.action-btn-main:disabled {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.02);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.action-btn-main:disabled::before {
  display: none;
}

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 100;
}

.toast {
  background: rgba(10, 8, 22, 0.94);
  border: 1px solid rgba(168, 85, 247, 0.3);
  backdrop-filter: blur(15px);
  padding: 16px 20px;
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  width: 330px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
  animation: slide-in-toast 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.success {
  border-color: rgba(52, 211, 153, 0.4);
  box-shadow: 0 0 20px rgba(52, 211, 153, 0.15);
}

.toast.error {
  border-color: rgba(248, 113, 113, 0.4);
  box-shadow: 0 0 20px rgba(248, 113, 113, 0.15);
}

.toast.info {
  border-color: rgba(96, 165, 250, 0.4);
  box-shadow: 0 0 20px rgba(96, 165, 250, 0.15);
}

.toast-title {
  font-weight: 800;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.toast.success .toast-title { color: var(--neon-green); }
.toast.error .toast-title { color: var(--neon-red); }
.toast.info .toast-title { color: var(--neon-blue); }

.toast-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  word-break: break-all;
}

.toast-link {
  color: var(--neon-blue);
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  margin-top: 2px;
  display: inline-block;
  transition: color 0.2s ease;
}

.toast-link:hover {
  color: var(--neon-cyan);
  text-decoration: underline;
}

.app-footer {
  text-align: center;
  padding: 30px 0;
  font-size: 12px;
  color: var(--text-muted);
}

.arcmoon-icon-glow {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  text-shadow: 0 0 8px var(--neon-purple);
  animation: pulse-glow 1.5s infinite alternate;
}

@keyframes float {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-5px) rotate(3deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes pulse-glow {
  0% { opacity: 0.6; filter: drop-shadow(0 0 2px rgba(168, 85, 247, 0.3)); }
  100% { opacity: 1; filter: drop-shadow(0 0 12px rgba(168, 85, 247, 0.9)); }
}

@keyframes slide-down {
  0% { opacity: 0; transform: translateY(-12px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in-toast {
  0% { opacity: 0; transform: translateX(60px); }
  100% { opacity: 1; transform: translateX(0); }
}

@keyframes fade-in {
  0% { opacity: 0; transform: scale(0.98); }
  100% { opacity: 1; transform: scale(1); }
}

@media (max-width: 640px) {
  .app-layout {
    padding: 0 16px;
  }
  .app-header {
    height: 80px;
    padding: 16px 0;
  }
  .logo-text {
    font-size: 22px;
  }
  .connect-btn {
    padding: 8px 18px;
    font-size: 13px;
  }
  .swap-container {
    padding: 20px;
    border-radius: var(--border-radius-md);
  }
  .token-amount-input {
    font-size: 24px;
  }
  .token-select {
    padding: 6px 12px;
  }
  .toast-container {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }
  .toast {
    width: auto;
  }
}