:root {
  --primary-900: #24145c;
  --primary-800: #301875;
  --primary-700: #43218f;
  --primary-600: #5728b8;
  --primary-500: #6735d4;
  --primary-100: #ede9fe;
  --primary-50: #f7f5ff;

  --orange-600: #f28c00;
  --orange-500: #ff9d16;
  --orange-100: #fff1d6;

  --bg: #f8f9fc;
  --surface: #ffffff;
  --border: #e7e8ef;
  --text: #17172b;
  --secondary: #686a7c;
  --muted: #9698a8;

  --success: #16a36a;
  --success-bg: #eaf8f1;
  --warning: #f59e0b;
  --warning-bg: #fff7e6;
  --danger: #ef4444;
  --danger-bg: #fef0f0;

  --radius-card: 12px;
  --radius-button: 8px;
  --radius-input: 8px;
  --radius-icon: 12px;
  --shadow-card: 0 2px 8px rgba(36, 20, 92, 0.09);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

.auth-body {
  min-height: 100vh;
  background: var(--bg);
  font-family: "Inter", "Segoe UI", sans-serif;
  color: var(--text);
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(340px, 42%) 1fr;
}

.auth-brand-panel {
  background:
    radial-gradient(800px 400px at 10% 90%, rgba(103, 53, 212, 0.28), transparent 72%),
    radial-gradient(450px 260px at 70% 55%, rgba(255, 157, 22, 0.1), transparent 70%),
    linear-gradient(165deg, var(--primary-900) 0%, var(--primary-800) 48%, var(--primary-700) 100%);
  color: #ffffff;
  padding: 40px 44px;
  display: grid;
  grid-template-rows: auto 1fr;
  position: relative;
  overflow: hidden;
}

.auth-brand-panel::after {
  content: "";
  position: absolute;
  inset: auto -10% -12% -10%;
  height: 44%;
  background-image: repeating-radial-gradient(ellipse at bottom,
      rgba(255, 255, 255, 0.1),
      rgba(255, 255, 255, 0.1) 1px,
      transparent 1px,
      transparent 15px);
  opacity: 0.35;
  pointer-events: none;
}

.brand-top {
  position: relative;
  z-index: 2;
}

.brand-logo {
  width: 188px;
  max-width: 100%;
  display: block;
}

.brand-logo-fallback {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.8px;
}

.brand-content {
  align-self: center;
  position: relative;
  z-index: 2;
}

.brand-content h1 {
  margin: 0;
  font-size: 34px;
  line-height: 1.08;
  font-weight: 700;
}

.brand-content h2 {
  margin: 8px 0 0;
  font-size: 31px;
  line-height: 1.1;
  color: var(--orange-500);
  font-weight: 700;
}

.brand-divider {
  display: inline-block;
  width: 42px;
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  margin: 20px 0 20px;
}

.brand-content>p {
  margin: 0;
  color: #e4e8ff;
  font-size: 22px;
  line-height: 1.45;
  max-width: 560px;
}

.feature-list {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.feature-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-icon);
  display: grid;
  place-items: center;
  background: rgba(103, 53, 212, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.feature-icon svg {
  width: 23px;
  height: 23px;
  stroke-width: 2;
}

.feature-list h3 {
  margin: 2px 0 4px;
  font-size: 13px;
  font-weight: 600;
}

.feature-list p {
  margin: 0;
  color: #d5daf4;
  font-size: 11px;
  line-height: 1.4;
}

.auth-main {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 18px;
  padding: 44px 28px;
  background: radial-gradient(circle at 20% 20%, #ffffff 0%, #f8f9fc 45%, #f2f4fd 100%);
}

.auth-card {
  width: min(560px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: 0 14px 30px rgba(42, 30, 95, 0.1);
  padding: 32px;
}

.auth-card-head {
  text-align: center;
}

.auth-logo {
  width: 220px;
  max-width: 100%;
}

.auth-logo-fallback {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.auth-card-head h3 {
  margin: 18px 0 8px;
  font-size: 34px;
  font-weight: 700;
}

.auth-card-head p {
  margin: 0;
  color: var(--secondary);
  font-size: 16px;
  line-height: 1.45;
}

.auth-alert {
  margin-top: 20px;
  border: 1px solid #f7c8c8;
  background: var(--danger-bg);
  color: #b82727;
  font-size: 15px;
  border-radius: var(--radius-button);
  padding: 10px 12px;
}

.auth-form {
  margin-top: 20px;
  display: grid;
  gap: 14px;
}

.field-wrap {
  display: grid;
  gap: 8px;
}

.field-wrap label {
  font-size: 14px;
  font-weight: 600;
  color: #282d4a;
}

.input-wrap {
  position: relative;
}

.input-icon,
.icon-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  color: #878daa;
}

.input-icon {
  left: 12px;
}

.input-icon svg,
.icon-button svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.input-wrap input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  min-height: 44px;
  padding: 11px 42px;
  font-size: 14px;
  color: var(--text);
  outline: 0;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.input-wrap input::placeholder {
  color: #a0a5ba;
}

.input-wrap input:focus {
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(87, 40, 184, 0.12);
}

.icon-button {
  right: 12px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.form-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.check-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #2c3252;
  cursor: pointer;
}

.check-wrap input {
  width: 18px;
  height: 18px;
  border: 1px solid #bec3d6;
}

.text-link {
  color: var(--primary-600);
  font-size: 14px;
  font-weight: 500;
}

.text-link:hover {
  color: var(--primary-700);
}

.btn-primary,
.btn-secondary {
  width: 100%;
  min-height: 44px;
  border-radius: var(--radius-button);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  border: 0;
  color: #ffffff;
  background: var(--primary-600);
  transition: background-color 0.16s ease;
}

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

.divider {
  position: relative;
  margin: 18px 0 16px;
  text-align: center;
  color: #8187a2;
  font-size: 13px;
}

.divider::before,
.divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 34%;
  height: 1px;
  background: var(--border);
}

.divider::before {
  left: 0;
}

.divider::after {
  right: 0;
}

.divider span {
  display: inline-block;
  padding: 0 10px;
  background: #fff;
  position: relative;
  z-index: 1;
}

.btn-secondary {
  border: 1px solid var(--border);
  background: #ffffff;
  color: #2a3050;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.btn-google {
  text-decoration: none;
}

.google-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  display: block;
}

.auth-footer {
  margin: 0;
  color: #7882a5;
  font-size: 13px;
}

@media (max-width: 1200px) {
  .auth-shell {
    grid-template-columns: minmax(310px, 38%) 1fr;
  }

  .auth-brand-panel {
    padding: 30px 26px;
  }

  .brand-content h1 {
    font-size: 27px;
  }

  .brand-content h2 {
    font-size: 25px;
  }

  .brand-content>p {
    font-size: 16px;
  }

  .feature-list h3 {
    font-size: 11px;
  }

  .feature-list p {
    font-size: 10px;
  }

  .auth-card {
    padding: 26px;
  }

  .auth-card-head h3 {
    font-size: 30px;
  }

  .auth-card-head p {
    font-size: 15px;
  }

  .field-wrap label,
  .input-wrap input,
  .check-wrap,
  .text-link,
  .btn-primary,
  .btn-secondary,
  .divider,
  .auth-footer {
    font-size: 14px;
  }
}

@media (max-width: 980px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-brand-panel {
    min-height: 420px;
  }

  .auth-main {
    padding-top: 24px;
  }
}

@media (max-width: 680px) {
  .auth-brand-panel {
    padding: 24px 16px;
  }

  .brand-logo {
    width: 168px;
  }

  .brand-content h1 {
    font-size: 22px;
  }

  .brand-content h2 {
    font-size: 20px;
  }

  .brand-content>p {
    font-size: 11px;
  }

  .feature-list {
    gap: 12px;
  }

  .feature-list li {
    gap: 10px;
  }

  .feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
  }

  .feature-icon svg {
    width: 18px;
    height: 18px;
  }

  .auth-main {
    padding: 14px;
  }

  .auth-card {
    padding: 18px;
  }

  .auth-logo {
    width: 186px;
  }

  .auth-card-head h3 {
    margin-top: 12px;
    font-size: 28px;
  }

  .auth-card-head p {
    font-size: 14px;
  }
}