:root {
  --bg: #f3f5fb;
  --panel: rgba(255, 255, 255, 0.94);
  --line: #d8dfec;
  --text: #0f172a;
  --muted: #5b6b82;
  --primary: #3151f2;
  --primary-hover: #223fc9;
  --secondary: #0f2a6f;
  --ghost: #eef2ff;
  --danger: #c02639;
  --success: #1f9d4f;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 0% 0%, rgba(49, 81, 242, 0.14), transparent 36%),
    radial-gradient(circle at 100% 100%, rgba(15, 42, 111, 0.12), transparent 28%),
    var(--bg);
}

.auth-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 440px) minmax(320px, 480px);
  justify-content: center;
  align-items: center;
  gap: 28px;
  padding: 28px;
}

.auth-layout-single {
  grid-template-columns: minmax(320px, 520px);
}

.auth-hero,
.auth-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(20, 32, 76, 0.1);
  background: var(--panel);
}

.auth-hero {
  padding: 34px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  margin-bottom: 18px;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.auth-hero h1 {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  line-height: 1.08;
}

.auth-hero p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.auth-points {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.auth-points li {
  border: 1px solid #dce4fb;
  border-radius: 14px;
  background: #f8faff;
  padding: 12px;
  font-weight: 600;
  color: #24324f;
}

.auth-card {
  padding: 30px;
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 200px;
  height: 200px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(49, 81, 242, 0.2), transparent 65%);
  pointer-events: none;
}

.auth-card h2 {
  margin: 0;
  font-size: 1.45rem;
}

.auth-subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.auth-form {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: #24324f;
  font-size: 0.9rem;
  font-weight: 600;
}

input {
  width: 100%;
  border: 1px solid #cfd7ea;
  border-radius: 12px;
  background: #ffffff;
  color: var(--text);
  padding: 11px 12px;
  font: inherit;
  outline: none;
}

input:focus {
  border-color: #6f84f6;
  box-shadow: 0 0 0 3px rgba(79, 111, 247, 0.16);
}

.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, color 0.16s ease;
  text-decoration: none;
  text-align: center;
}

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

.btn-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), #5f6bff);
  box-shadow: 0 14px 22px rgba(49, 81, 242, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), #4b58f6);
}

.btn-secondary {
  color: #ffffff;
  background: var(--secondary);
}

.btn-secondary:hover {
  background: #0a225d;
}

.btn-ghost {
  margin-top: 10px;
  color: #1f2a44;
  background: var(--ghost);
  border-color: #d6dffd;
}

.btn-ghost:hover {
  background: #e4eaff;
}

button:disabled,
.btn:disabled {
  opacity: 0.68;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.status {
  margin: 12px 0 0;
  min-height: 20px;
  color: var(--muted);
  font-size: 0.9rem;
}

.status.ok {
  color: var(--success);
  font-weight: 600;
}

.status.error {
  color: var(--danger);
  font-weight: 600;
}

.hidden {
  display: none !important;
}

@media (max-width: 920px) {
  .auth-layout {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 14px;
  }

  .auth-hero,
  .auth-card {
    border-radius: 18px;
  }

  .auth-card,
  .auth-hero {
    padding: 22px;
  }
}