:root {
  color-scheme: light dark;
  --bg-dark-blue: #0b1a33;
  --bg-dark-blue-2: #0f1e3d;
  --card: rgba(11, 26, 51, 0.95);
  --text: #facc15;
  --muted: rgba(250, 204, 21, 0.75);
  --primary: #facc15;
  --primary-700: #eab308;
  --border: rgba(250, 204, 21, 0.25);
  --shadow: 0 24px 80px rgba(0,0,0,0.6);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg-dark-blue), var(--bg-dark-blue-2));
  background-attachment: fixed;
}

.fullscreen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.75rem;
}

.card {
  width: min(560px, 94vw);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1.75rem;
  backdrop-filter: blur(10px) saturate(130%);
}

.welcome-modal {
  width: min(720px, 94vw);
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 3rem 2rem;
  backdrop-filter: blur(12px) saturate(140%);
  text-align: center;
}

.welcome-title {
  margin: 0 0 2rem 0;
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 0.5px;
  line-height: 1.3;
  color: var(--text);
  text-transform: uppercase;
}

.title {
  margin: 0;
  font-size: 1.9rem;
  letter-spacing: 0.2px;
}

.subtitle {
  margin: 0.5rem 0 1.25rem;
  color: var(--muted);
  line-height: 1.45;
}

.form {
  display: grid;
  gap: 0.85rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

label {
  font-size: 0.95rem;
  color: var(--muted);
}

input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  color: #0b1a33;
  outline: none;
  font-weight: 500;
}

.password-wrapper {
  position: relative;
  width: 100%;
}

.password-wrapper input {
  padding-right: 3rem;
}

.toggle-password {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: #0b1a33;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toggle-password:hover {
  opacity: 0.7;
}

input:focus {
  border-color: rgba(45,108,223,0.8);
  box-shadow: 0 0 0 3px rgba(45,108,223,0.25);
}

.actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: 0.25rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.1rem;
  border-radius: 10px;
  border: 0;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.btn:hover { background: var(--primary-700); }

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

.btn-secondary:hover {
  background: rgba(255,255,255,0.06);
}

.alert {
  margin-top: 0.9rem;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid rgba(127,29,29,0.8);
  background: rgba(42, 15, 20, 0.85);
  color: #fecaca;
}

.small {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 0.9rem;
}