:root {
  color-scheme: dark;
  --bg: #07151d;
  --bg2: #102831;
  --bg3: #17343e;
  --border: #294550;
  --text: #eef8f2;
  --text2: #aac5cd;
  --accent: #83ddc4;
  --accent2: #a5f2dc;
  --danger: #ff8b9c;
}
body {
  background: radial-gradient(ellipse at 85% 8%, #194e513d, transparent 40%),
    radial-gradient(ellipse at 10% 45%, #252c6038, transparent 40%), var(--bg);
}
.login-screen {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 24px;
  background: transparent;
}
.login-card {
  width: 420px;
  max-width: 100%;
  padding: 40px 32px;
  border-radius: 24px;
  background: linear-gradient(145deg, #14343ee8, #0c202aee);
  border: 1px solid #42666d;
  box-shadow: 0 24px 80px #0007, 0 0 45px #83ddc40b;
}
.login-brand {
  display: block;
  width: 54px;
  height: 54px;
  margin: 0 auto 20px;
  border: 1px solid #83ddc466;
  border-radius: 16px;
  color: var(--accent);
  text-align: center;
  line-height: 54px;
  font-size: 28px;
  background: #83ddc410;
  box-shadow: 0 0 25px #83ddc415;
}
.login-card h1 { font-size: 28px; letter-spacing: .04em; }
.login-card p { margin-bottom: 28px; }
.login-card label { color: var(--accent); }
.form-group input, .form-group textarea, .filter-select, .search-input {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
}
.login-card input { min-height: 48px; }
.btn { border-radius: 10px; }
.login-card .btn { min-height: 48px; margin-top: 6px; }
.btn-primary { color: #09231e; box-shadow: 0 4px 20px #83ddc418; }
.sidebar { background: #0b202be8; }
.sidebar-brand { color: var(--accent); }
.nav-item.active { background: #83ddc410; }
.stat-card, .detail-card, .modal { border-radius: 16px; }
.page-title { color: var(--text); }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.login-error { background: #ff8b9c0d; border-color: #ff8b9c55; }
@media (max-width: 480px) {
  .login-screen { padding: 16px; }
  .login-card { padding: 32px 22px; }
}