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

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  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);
  font-family: "Kanit", "Inter", system-ui, -apple-system, sans-serif;
}

.login-layer {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(
    circle at 50% 35%,
    rgba(124, 77, 255, 0.28),
    rgba(13, 11, 22, 0.95)
  );
  z-index: 20;
  padding: 16px;
}

.glass-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  padding: 24px;
  width: min(520px, 100%);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.title {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.4px;
  font-size: 26px;
}

.subtitle {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 15px;
}

.label {
  display: block;
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  margin: 10px 0 6px;
}

.input {
  width: 100%;
  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;
}

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

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

.input-group {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.input-group .input {
  flex: 1;
}

.icon-btn {
  width: 48px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.1s ease;
}

.icon-btn:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #9c6dff);
  color: white;
  border: none;
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  padding: 14px 16px;
  transition: transform 0.12s ease, box-shadow 0.2s ease;
  font-size: 16px;
}

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

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
  cursor: pointer;
  padding: 14px 16px;
  transition: transform 0.12s ease, border-color 0.15s ease;
  font-size: 16px;
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.26);
}

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

.btn-primary:disabled,
.btn-secondary:disabled,
.icon-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 8px;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.link {
  color: rgba(0, 224, 255, 0.92);
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
}

.link:hover {
  text-decoration: underline;
}

.alert {
  display: none;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 600;
  font-size: 14px;
}

.alert-success {
  border-color: rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.12);
}

.alert-danger {
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.12);
}

.alert-warning {
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.12);
}

@media (max-width: 520px) {
  .glass-card {
    padding: 18px;
  }
  .actions {
    grid-template-columns: 1fr;
  }
}