:root {
  --color-blue: #132b62;
  --color-pink: #be3287;
  --color-bg: #020617;
  --color-surface: #0b1120;
  --color-text: #f9fafb;
  --color-text-muted: #9ca3af;
  --color-border: #1f2937;

  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-soft: 0 24px 60px rgba(0,0,0,0.7);
  --transition-fast: 160ms ease-out;
}

html, body {
  margin: 0;
  padding: 0;
  background-color: #000;
  color: var(--color-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Helvetica Neue", Arial, sans-serif;
}

.page {
  min-height: 100vh;
  padding: 24px 14px;
  background:
    radial-gradient(circle at top left, rgba(190, 50, 135, 0.25), transparent 55%),
    radial-gradient(circle at bottom right, rgba(19, 43, 98, 0.4), transparent 60%),
    var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Header */

.header {
  text-align: center;
  margin-bottom: 20px;
}

.header-logo-wrap {
  margin-bottom: 10px;
}

.logo {
  height: 54px;
  width: 54px;
  border-radius: 50%;
}

.title {
  margin: 0;
  font-size: 1.6rem;
}

.subtitle {
  margin-top: 4px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Main */

.main {
  width: 100%;
  max-width: 420px;
}

.alert {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.6);
  color: #fecaca;
  padding: 10px 12px;
  margin-bottom: 14px;
  border-radius: 12px;
  text-align: center;
  font-size: 0.85rem;
}

/* Card */

.card {
  background: linear-gradient(145deg, rgba(15,23,42,0.96), rgba(15,23,42,0.98));
  border-radius: var(--radius-lg);
  padding: 22px 18px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148,163,184,0.25);
}

/* Form */

.form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.label {
  font-size: 0.8rem;
  color: white;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.input {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: rgba(15,23,42,0.96);
  color: var(--color-text);
  font-size: 0.92rem;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform 120ms ease-out;
}

.input::placeholder {
  color: rgba(148, 163, 184, 0.8);
}

.input:focus {
  border-color: var(--color-pink);
  box-shadow: 0 0 0 1px rgba(190,50,135,0.85);
  background-color: #020617;
  transform: translateY(-0.5px);
}

/* Button */

.btn-primary {
  margin-top: 4px;
  border: none;
  width: 100%;
  padding: 11px 16px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #fff;
  background: linear-gradient(135deg, var(--color-blue), var(--color-pink));
  cursor: pointer;
  transition:
    transform 120ms ease-out,
    box-shadow 120ms ease-out,
    filter 140ms ease-out;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(0,0,0,0.7);
  filter: brightness(1.05);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 12px 22px rgba(0,0,0,0.65);
  filter: brightness(0.98);
}

/* Helper text */

.helper-text {
  margin-top: 14px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.link {
  color: var(--color-pink);
  text-decoration: none;
}

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