:root {
  --bg: #0b1020;
  --bg-soft: #131a31;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --card: rgba(17, 24, 39, 0.82);
  --card-border: rgba(255, 255, 255, 0.12);
  --text: #eef2ff;
  --muted: #b8c0d9;
  --accent: #7dd3fc;
  --accent-strong: #38bdf8;
  --focus: #a5f3fc;
  --danger-soft: rgba(248, 113, 113, 0.12);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, #172554 0%, transparent 30%),
    radial-gradient(circle at bottom right, #0f766e 0%, transparent 25%),
    linear-gradient(135deg, #0b1020 0%, #111827 45%, #0f172a 100%);
  color: var(--text);
}

body {
  min-height: 100vh;
}

.page-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(50px);
  opacity: 0.22;
  pointer-events: none;
}

.orb-1 {
  width: 320px;
  height: 320px;
  background: #0ea5e9;
  top: -80px;
  right: -60px;
}

.orb-2 {
  width: 260px;
  height: 260px;
  background: #14b8a6;
  bottom: -70px;
  left: -40px;
}

.layout {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: table;
  width: 100%;
}

.brand-panel,
.auth-panel {
  display: table-cell;
  vertical-align: middle;
  width: 50%;
  padding: 48px;
}

.brand-wrap {
  max-width: 560px;
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.brand-copy h1 {
  margin: 0 0 14px;
  font-size: 42px;
  line-height: 1.1;
}

.lead {
  margin: 0;
  max-width: 520px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
}

.brand-meta {
  margin-top: 32px;
}

.meta-card {
  margin-bottom: 14px;
  padding: 18px 20px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  backdrop-filter: blur(10px);
}

.meta-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.meta-card div {
  color: var(--muted);
  line-height: 1.5;
}

.auth-card {
  max-width: 460px;
  margin: 0 auto;
  padding: 32px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  background: var(--card);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.card-head h2 {
  margin: 0 0 10px;
  font-size: 30px;
}

.card-head p {
  margin: 0 0 24px;
  line-height: 1.6;
  color: var(--muted);
}

.auth-form {
  margin: 0;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: bold;
}

.field input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  outline: none;
  font-size: 15px;
}

.field input::placeholder {
  color: #9aa5c4;
}

.field input:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(165, 243, 252, 0.18);
}

.primary-btn {
  width: 100%;
  height: 50px;
  margin-top: 8px;
  border: 0;
  border-radius: 14px;
  font-size: 16px;
  font-weight: bold;
  color: #082032;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  cursor: pointer;
}

.primary-btn:hover {
  filter: brightness(1.03);
}

.primary-btn:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(125, 211, 252, 0.22);
}

.notice {
  margin-top: 24px;
  padding: 16px 18px;
  border: 1px solid rgba(248, 113, 113, 0.18);
  border-radius: 14px;
  background: var(--danger-soft);
  color: #e5e7eb;
  font-size: 13px;
  line-height: 1.6;
}

.notice strong {
  display: block;
  margin-bottom: 6px;
  color: #ffffff;
}

@media (max-width: 980px) {
  .layout,
  .brand-panel,
  .auth-panel {
    display: block;
    width: auto;
  }

  .brand-panel,
  .auth-panel {
    padding: 28px 20px;
  }

  .brand-copy h1 {
    font-size: 34px;
  }

  .auth-card {
    padding: 24px;
  }
}