* { box-sizing: border-box; }

:root {
  color-scheme: dark;
  --bg: #0d0b16;
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.12);
  --muted: #9ba0b5;
  --accent: #7c4dff;
  --accent-2: #00e0ff;
  --text: #f6f6f6;
  --border: rgba(255, 255, 255, 0.12);
  --radius: 18px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Kanit", "Inter", system-ui, -apple-system, sans-serif;
  background: radial-gradient(
      circle at 20% 20%,
      rgba(124, 77, 255, 0.25),
      transparent 35%
    ),
    radial-gradient(circle at 80% 10%, rgba(0, 224, 255, 0.18), transparent 32%),
    radial-gradient(circle at 60% 70%, rgba(124, 77, 255, 0.2), transparent 35%),
    var(--bg);
  color: var(--text);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

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

.status {
  font-size: 14px;
  color: var(--muted);
}

.card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(12px);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.tunnel-form-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr)) auto;
  gap: 12px;
  align-items: end;
  margin-top: 12px;
}

.tunnel-form-action {
  display: flex;
  align-items: flex-end;
}

.tunnel-form-action button {
  height: 52px;
  padding: 0 16px;
  align-self: stretch;
}

@media (max-width: 980px) {
  .tunnel-form-row {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .tunnel-form-action {
    justify-content: flex-start;
  }
}

.login-card {
  max-width: 420px;
  margin: 0 auto 20px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
}

.fixed-value {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 14px;
}

input, select {
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 16px;
  outline: none;
  transition: border 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
}

input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.22);
  transform: translateY(-1px);
}

.actions {
  margin-top: 16px;
  display: flex;
  gap: 10px;
}

button {
  padding: 12px 16px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, var(--accent), #9c6dff);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.2s ease;
}

button:hover {
  box-shadow: 0 10px 30px rgba(124, 77, 255, 0.35);
}

button:active {
  transform: translateY(1px);
}

button.secondary {
  background: #1f2430;
  border: 1px solid var(--border);
}

button.danger {
  background: #e44b4b;
}

.hidden { display: none; }

.muted {
  color: var(--muted);
  font-size: 13px;
}

.tunnel-list {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}

.tunnel-item {
  padding: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}

.tunnel-item h4 {
  margin: 0 0 6px;
}

.tunnel-meta {
  font-size: 13px;
  color: var(--muted);
}

.tunnel-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: rgba(20, 18, 32, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  padding: 12px 16px;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s ease;
  pointer-events: none;
  z-index: 9999;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}