/* login.css — стили страницы входа. Участвует в: login.html, login.js. Брейкпоинты: 1024 / 768 */
:root {
  --login-bg: #f3f5fb; --login-surface: #ffffff; --login-border: #e3e7f2; --login-text: #151a2d; --login-muted: #6b7390;
  --login-accent: #5b6cff; --login-accent-2: #8b5cf6; --login-danger: #e5484d; --login-shadow: 0 30px 80px -30px rgba(40, 50, 120, .35);
}
:root[data-theme="dark"] {
  --login-bg: #0b0e17; --login-surface: #141927; --login-border: #262d44; --login-text: #eef1fb; --login-muted: #8f98b8;
  --login-shadow: 0 30px 80px -30px rgba(0, 0, 0, .8);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--login-bg); color: var(--login-text); display: grid; place-items: center; padding: 16px;
  font: 16px/1.5 Inter, "Segoe UI", system-ui, -apple-system, Roboto, sans-serif; -webkit-font-smoothing: antialiased;
}
.login-bg { position: fixed; inset: 0; overflow: hidden; z-index: 0; }
.login-blob { position: absolute; width: 46vmax; height: 46vmax; border-radius: 50%; filter: blur(90px); opacity: .35; animation: login-float 18s ease-in-out infinite alternate; }
.login-blob-a { background: var(--login-accent); top: -18vmax; left: -12vmax; }
.login-blob-b { background: var(--login-accent-2); bottom: -20vmax; right: -14vmax; animation-delay: -6s; }
@keyframes login-float { to { transform: translate(5vmax, 4vmax) scale(1.08); } }
.login-wrap { position: relative; z-index: 1; width: 100%; max-width: 420px; }
.login-card {
  background: var(--login-surface); border: 1px solid var(--login-border); border-radius: 24px; padding: 36px 32px 28px;
  box-shadow: var(--login-shadow); animation: login-in .5s cubic-bezier(.2, .8, .2, 1);
}
@keyframes login-in { from { opacity: 0; transform: translateY(14px) scale(.98); } }
.login-logo {
  width: 64px; height: 64px; border-radius: 20px; margin: 0 auto 18px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--login-accent), var(--login-accent-2)); box-shadow: 0 14px 30px -10px var(--login-accent);
}
.login-logo svg { width: 32px; height: 32px; }
.login-title { margin: 0; text-align: center; font-size: 24px; font-weight: 750; letter-spacing: -.02em; }
.login-sub { margin: 4px 0 24px; text-align: center; color: var(--login-muted); font-size: 15px; }
.login-label { display: block; margin: 14px 0 6px; font-size: 13px; font-weight: 600; color: var(--login-muted); }
.login-input {
  width: 100%; min-height: 48px; padding: 0 14px; border-radius: 14px; border: 1.5px solid var(--login-border);
  background: transparent; color: var(--login-text); font: inherit; outline: none; transition: border-color .15s, box-shadow .15s;
}
.login-input:focus { border-color: var(--login-accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--login-accent) 18%, transparent); }
.login-pass { position: relative; }
.login-pass .login-input { padding-right: 52px; }
.login-eye {
  position: absolute; right: 4px; top: 4px; width: 44px; height: 44px; border: 0; background: transparent; color: var(--login-muted);
  border-radius: 12px; cursor: pointer; display: grid; place-items: center;
}
.login-eye:hover { color: var(--login-text); }
.login-eye svg { width: 20px; height: 20px; }
.login-check { display: flex; align-items: center; gap: 10px; margin: 16px 0 4px; min-height: 44px; color: var(--login-muted); font-size: 14px; cursor: pointer; }
.login-check input { width: 20px; height: 20px; accent-color: var(--login-accent); }
.login-error { margin: 10px 0 0; padding: 10px 14px; border-radius: 12px; font-size: 14px; color: var(--login-danger); background: color-mix(in srgb, var(--login-danger) 12%, transparent); }
.login-submit {
  width: 100%; min-height: 50px; margin-top: 14px; border: 0; border-radius: 14px; color: #fff; font: inherit; font-weight: 650; cursor: pointer;
  background: linear-gradient(135deg, var(--login-accent), var(--login-accent-2)); box-shadow: 0 12px 28px -12px var(--login-accent); transition: transform .12s, filter .15s;
}
.login-submit:hover { filter: brightness(1.07); }
.login-submit:active { transform: scale(.98); }
.login-submit[disabled] { opacity: .65; cursor: progress; }
.login-foot { margin: 18px 0 0; text-align: center; color: var(--login-muted); font-size: 13px; }
.login-theme-btn {
  position: fixed; top: 14px; right: 14px; z-index: 2; width: 44px; height: 44px; border-radius: 14px; cursor: pointer;
  border: 1px solid var(--login-border); background: var(--login-surface); color: var(--login-text); display: grid; place-items: center;
}
.login-theme-btn svg { width: 20px; height: 20px; }
.login-shake { animation: login-shake .4s; }
@keyframes login-shake { 20%, 60% { transform: translateX(-7px); } 40%, 80% { transform: translateX(7px); } }

/* Планшет */
@media (max-width: 1024px) { .login-wrap { max-width: 440px; } }
/* Телефон */
@media (max-width: 768px) {
  body { padding: 12px; place-items: start center; padding-top: 12vh; }
  .login-card { padding: 28px 20px 22px; border-radius: 22px; }
  .login-input { font-size: 16px; min-height: 48px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }