:root {
  --av-bg: #07090f;
  --av-card: #0e131c;
  --av-header: #111722;
  --av-text: #f4f7fb;
  --av-muted: #8b97b0;
  --av-input: #0a0e16;
  --av-input-border: #243044;
  --av-accent: #3b82f6;
  --av-accent-hover: #2563eb;
  --av-cyan: #22d3ee;
  --av-danger: #f87171;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body.av-login {
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--av-text);
  background: #070b14;
  min-height: 100vh;
}

.av-login__atmosphere {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.av-login__wash {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 0% 100%, rgba(14, 165, 233, 0.22), transparent 58%),
    radial-gradient(ellipse 80% 60% at 100% 0%, rgba(37, 99, 235, 0.2), transparent 55%),
    radial-gradient(ellipse 50% 45% at 50% 48%, rgba(34, 211, 238, 0.07), transparent 70%),
    linear-gradient(180deg, #0b1220 0%, #070b14 55%, #05070c 100%);
}

.av-login__hex {
  position: absolute;
  inset: -20%;
  opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='84' height='146' viewBox='0 0 84 146'%3E%3Cpath fill='none' stroke='%237dd3fc' stroke-opacity='0.35' stroke-width='1' d='M42 1.5 L82.5 24.8 V71.2 L42 94.5 L1.5 71.2 V24.8 Z'/%3E%3C/svg%3E");
  background-size: 84px 146px;
  mask-image: radial-gradient(ellipse 70% 65% at 50% 45%, black 20%, transparent 78%);
}

.av-login__grain {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

.av-login__main {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 36px 20px;
}

.av-login__card {
  width: 100%;
  max-width: 560px;
  background: var(--av-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 22px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.av-login__card::before {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--av-cyan), var(--av-accent), transparent);
}

.av-login__header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 32px;
  background: var(--av-header);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.av-login__logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
}

.av-login__heading h1 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.av-login__heading p {
  margin: 4px 0 0;
  color: var(--av-muted);
  font-size: 0.92rem;
  font-weight: 500;
}

.av-login__body {
  padding: 28px 32px 32px;
}

.av-login__lead {
  margin: 0 0 22px;
  color: #c5cde0;
  font-size: 1.05rem;
}

.av-login__alert {
  margin: 0 0 16px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.28);
  color: #fecaca;
  font-size: 0.875rem;
}

.av-field {
  margin-bottom: 20px;
}

.av-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: #d7deee;
}

.av-field input {
  width: 100%;
  height: 52px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--av-input-border);
  background: var(--av-input);
  color: var(--av-text);
  font: inherit;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.av-field input::placeholder {
  color: #6b7690;
}

.av-field input:focus {
  border-color: var(--av-accent);
  box-shadow: 0 0 0 3px var(--av-focus-ring, rgba(59, 130, 246, 0.18));
}

.av-field__password {
  position: relative;
}

.av-field__password input {
  padding-right: 52px;
}

.av-password-toggle {
  position: absolute;
  top: 0;
  right: 0;
  width: 52px;
  height: 52px;
  border: 0;
  background: transparent;
  color: #8b97b0;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.av-password-toggle:hover,
.av-password-toggle:focus-visible {
  color: var(--av-text);
}

.av-password-toggle svg {
  width: 18px;
  height: 18px;
}

.av-password-toggle[aria-pressed="true"] .av-password-toggle__show,
.av-password-toggle:not([aria-pressed="true"]) .av-password-toggle__hide {
  display: none;
}

.av-login__submit {
  width: 100%;
  height: 54px;
  margin-top: 8px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(180deg, #4b8dff 0%, var(--av-accent) 100%);
  color: #fff;
  font: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
}

.av-login__submit:hover,
.av-login__submit:focus-visible {
  background: linear-gradient(180deg, #3b82f6 0%, var(--av-accent-hover) 100%);
}

@media (max-width: 560px) {
  .av-login__card {
    max-width: 100%;
  }

  .av-login__header,
  .av-login__body {
    padding-left: 20px;
    padding-right: 20px;
  }
}