:root {
  color-scheme: dark;
  --bg: #0a0e13;
  --bg-2: #0f141c;
  --panel: rgba(18, 24, 33, 0.84);
  --panel-strong: rgba(12, 17, 24, 0.96);
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.12);
  --text: #f5f7fb;
  --text-soft: #c7ced8;
  --text-muted: #8a93a3;
  --text-faint: #5d6776;
  --accent: #59a8ff;
  --accent-strong: #2b86f0;
  --danger: #d56f7d;
  --shadow-lg: 0 28px 90px rgba(0, 0, 0, 0.44);
  --font-sans: "Inter", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(89, 168, 255, 0.11), transparent 18%),
    radial-gradient(circle at 86% 10%, rgba(255, 255, 255, 0.04), transparent 14%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.012), transparent 24%),
    var(--bg);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.3), transparent 70%);
  pointer-events: none;
}

.login-layout {
  display: grid;
  grid-template-columns: minmax(420px, 0.95fr) minmax(0, 1.05fr);
  min-height: 100vh;
}

.login-side {
  position: relative;
}

.login-side--context {
  padding: 28px;
}

.login-side__surface {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: calc(100vh - 56px);
  padding: 34px;
  border-radius: 32px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.014), transparent 30%),
    var(--panel-strong);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.login-side__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.36), transparent 72%);
  pointer-events: none;
}

.login-lockup,
.login-copy,
.login-rail {
  position: relative;
  z-index: 1;
}

.login-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}

.login-lockup__mark {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(180deg, #76b9ff, #4d98f7);
  box-shadow: 0 12px 24px rgba(43, 134, 240, 0.3);
}

.login-lockup__name,
.login-copy__eyebrow,
.login-card__eyebrow,
.login-field span {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.login-lockup__system {
  margin-top: 4px;
  font-size: 0.94rem;
  font-weight: 700;
}

.login-copy {
  max-width: 540px;
}

.login-copy h1,
.login-card h2 {
  margin: 10px 0 0;
  font-weight: 700;
  letter-spacing: -0.06em;
}

.login-copy h1 {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  line-height: 0.93;
}

.login-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.login-rail__item {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.login-rail__item span {
  color: var(--text-faint);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
}

.login-rail__item strong {
  display: block;
  margin-top: 12px;
  font-size: 1rem;
  font-weight: 600;
}

.login-side--auth {
  display: grid;
  place-items: center;
  padding: 28px 34px;
}

.login-card {
  width: min(100%, 420px);
  padding: 34px;
  border-radius: 26px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent 28%),
    var(--panel);
  box-shadow: var(--shadow-lg);
}

.login-card h2 {
  font-size: 2.1rem;
  line-height: 1;
}

.login-alert {
  margin-top: 18px;
  padding: 14px 15px;
  border-radius: 14px;
  border: 1px solid rgba(213, 111, 125, 0.2);
  background: rgba(213, 111, 125, 0.1);
  color: #ffd9df;
}

#login-form {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.login-field {
  display: grid;
  gap: 10px;
}

.login-field input {
  min-height: 52px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  outline: 0;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.login-field input::placeholder {
  color: var(--text-faint);
}

.login-field input:focus {
  border-color: rgba(89, 168, 255, 0.34);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 0 0 4px rgba(89, 168, 255, 0.08);
  transform: translateY(-1px);
}

.login-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  margin-top: 4px;
  border-radius: 14px;
  background: linear-gradient(180deg, #72b6ff, #4c98f7);
  color: #09111a;
  font-weight: 700;
  box-shadow: 0 16px 30px rgba(43, 134, 240, 0.24);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.login-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 34px rgba(43, 134, 240, 0.28);
}

.login-submit__spinner {
  display: none;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  border: 2px solid rgba(9, 17, 26, 0.24);
  border-top-color: #09111a;
  animation: spin 0.8s linear infinite;
}

.login-submit.is-loading .login-submit__spinner {
  display: inline-block;
}

.is-shaking {
  animation: shake 0.45s ease;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  50% { transform: translateX(6px); }
  75% { transform: translateX(-4px); }
}

@media (max-width: 1180px) {
  .login-layout {
    grid-template-columns: 1fr;
  }

  .login-side--context {
    padding-bottom: 0;
  }

  .login-side__surface {
    min-height: 46vh;
  }
}

@media (max-width: 760px) {
  .login-side--context,
  .login-side--auth {
    padding: 18px;
  }

  .login-side__surface,
  .login-card {
    padding: 24px;
  }

  .login-rail {
    grid-template-columns: 1fr;
  }

  .login-copy h1 {
    font-size: 2.5rem;
  }
}