/**
 * Страница входа: layout, фон, левая панель (инфо), правая (форма).
 * Форма и кнопки — в components.css.
 */

/* --- Layout --- */
.login-page {
  min-height: 100vh;
  padding: 0;
  position: relative;
  overflow-x: hidden;
}

.login-layout {
  display: flex;
  flex-direction: row;
  width: 100%;
  min-height: 100vh;
  position: relative;
  z-index: var(--z-content);
}

/* --- Left: system info --- */
.login-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-16) var(--space-12);
  max-width: 56%;
  border-right: 1px solid rgba(0, 212, 255, 0.12);
}

.login-brand {
  display: inline-block;
  position: relative;
  width: 100%;
  font-size: 3.25rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin: 0 0 var(--space-5);
  background: var(--gradient-brand);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: login-gradient-shift 6s ease infinite;
  filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.35)) drop-shadow(0 0 40px rgba(0, 212, 255, 0.12));
}

.login-brand-block {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  margin: 0 0 var(--space-5);
}

.login-brand-block .login-brand {
  margin: 0;
}

.login-brand-mark {
  width: 128px;
  height: 128px;
  border-radius: 26px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(0, 212, 255, 0.22);
  box-shadow:
    0 18px 50px rgba(0, 0, 0, 0.38),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.login-brand-mark::before {
  content: '';
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.22), transparent 55%),
              radial-gradient(circle at 70% 80%, rgba(0, 255, 170, 0.14), transparent 55%);
  animation: login-mark-glow 7s ease-in-out infinite;
}

.login-brand-mark__icon {
  position: relative;
  z-index: 1;
  display: block;
  font-size: 78px;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.95;
  transform-origin: 50% 50%;
  animation: login-mark-float 4.8s ease-in-out infinite;
  filter:
    drop-shadow(0 10px 22px rgba(0, 0, 0, 0.35))
    drop-shadow(0 0 26px rgba(0, 212, 255, 0.22));
  top: -2px;
}

@keyframes login-mark-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@keyframes login-mark-glow {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.85; }
  50% { transform: translateY(6px) rotate(8deg); opacity: 1; }
}
.login-brand::after {
  content: '';
  display: block;
  width: 60%;
  height: 3px;
  margin-top: var(--space-2);
  background: linear-gradient(90deg, #00d4ff, #00ffaa);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
}
@keyframes login-gradient-shift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.login-tagline {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
  margin: 0 0 var(--space-8);
  max-width: 420px;
}

.login-features {
  list-style: none;
  list-style-position: outside;
  margin: 0;
  padding: 0;
}

.login-features li {
  position: relative;
  list-style: none;
  padding-left: var(--space-8);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
}

.login-features li::before {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
}

/* --- Right: form --- */
.login-form-wrap {
  flex: 0 0 44%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-10);
}

.login-card {
  width: 100%;
  max-width: 400px;
}

.login-header {
  margin-bottom: var(--space-8);
  text-align: center;
}

.login-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: 0 0 var(--space-2);
}

.login-sub {
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle);
  margin: 0;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .login-layout {
    flex-direction: column;
  }

  .login-info {
    max-width: none;
    padding: var(--space-10) var(--space-6);
    border-right: none;
    border-bottom: 1px solid rgba(0, 212, 255, 0.12);
  }

  .login-brand {
    font-size: 2.25rem;
  }
  .login-brand-mark {
    width: 96px;
    height: 96px;
    border-radius: 22px;
    padding: 8px;
    display: grid;
    place-items: center;
  }
  .login-brand-mark__icon {
    font-size: 58px;
  }
  .login-brand::after {
    width: 50%;
  }

  .login-tagline {
    font-size: var(--font-size-base);
    margin-bottom: 0;
  }

  .login-features {
    display: none;
  }

  .login-form-wrap {
    flex: 1;
    padding: var(--space-8);
  }
}

/* --- Animated background --- */
.login-bg {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 255, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(138, 43, 226, 0.12), transparent),
    radial-gradient(ellipse 50% 60% at 0% 80%, rgba(0, 255, 170, 0.1), transparent);
}

.login-bg-grid {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  opacity: 0.4;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: login-grid-move 18s linear infinite;
}

@keyframes login-grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(48px, 48px); }
}

.login-bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  z-index: var(--z-bg);
}

.login-bg-orb--1 {
  width: 400px;
  height: 400px;
  background: rgba(0, 212, 255, 0.2);
  top: -15%;
  left: -10%;
  animation: login-orb-1 12s ease-in-out infinite;
}

.login-bg-orb--2 {
  width: 320px;
  height: 320px;
  background: rgba(138, 43, 226, 0.18);
  bottom: -10%;
  right: -5%;
  animation: login-orb-2 14s ease-in-out infinite;
}

.login-bg-orb--3 {
  width: 200px;
  height: 200px;
  background: rgba(0, 255, 170, 0.15);
  top: 50%;
  right: 15%;
  animation: login-orb-3 10s ease-in-out infinite;
}

@keyframes login-orb-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 25px) scale(0.95); }
}

@keyframes login-orb-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, -30px) scale(1.08); }
}

@keyframes login-orb-3 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(25px, 20px); }
}