:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --bg: #0f172a;
  --card-bg: rgba(30, 41, 59, 0.7);
  --text: #f8fafc;
  --text-dim: #94a3b8;
  --border: rgba(255, 255, 255, 0.1);
  --success: #22c55e;
  --error: #ef4444;
  --glass: rgba(255, 255, 255, 0.05);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

body {
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 8%;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 24px;
  font-weight: 800;
  background: linear-gradient(to right, #6366f1, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo img {
  height: 36px;
  display: block;
}

.btn-launch {
  background: var(--primary);
  color: white;
  padding: 10px 24px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
  border: none;
  cursor: pointer;
}

.btn-launch:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.container {
  width: 100%;
  max-width: 480px;
  padding: 24px;
  z-index: 1;
}

.card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease;
}

.header {
  text-align: center;
  margin-bottom: 32px;
}

.header h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
  background: linear-gradient(to right, #6366f1, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header p {
  color: var(--text-dim);
  font-size: 14px;
}

.input-group {
  margin-bottom: 24px;
}

.label-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 500;
}

.balance {
  color: var(--text-dim);
}



.action-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn {
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

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

.btn-danger {
  background: var(--error);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background: var(--border);
}

.status {
  text-align: center;
  padding: 12px;
  border-radius: 8px;
  margin-top: 16px;
  font-size: 14px;
}

.status.success {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
  border: 1px solid var(--success);
}

.status.error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  border: 1px solid var(--error);
}

.status.info {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  border: 1px solid var(--primary);
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 24px;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

.state-note {
  text-align: center;
  padding: 12px;
  border-radius: 8px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-dim);
  background: var(--glass);
  border: 1px solid var(--border);
}

#status {
  margin-top: 24px;
  text-align: center;
  font-size: 14px;
  min-height: 20px;
}

.success-msg {
  color: var(--success);
}

.error-msg {
  color: var(--error);
}

.info-msg {
  color: var(--text-dim);
}

.warning-msg {
  color: #f59e0b;
}

@media (max-width: 768px) {
  nav {
    padding: 12px 4%;
  }

  .container {
    padding: 16px;
  }

  .card {
    padding: 24px;
  }
}