/* PVE-Ikuai 登录页样式(独立,供 login.html 使用) */
:root {
  --bg: #060d14;
  --bg-2: #0a1622;
  --panel: rgba(13, 29, 44, 0.75);
  --border: rgba(132, 180, 205, 0.22);
  --text: #e6f1f8;
  --muted: #7d95a8;
  --accent: #53c1ff;
  --accent-2: #2dd4bf;
  --danger: #ff6b6b;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(45, 212, 191, 0.10), transparent 60%),
    radial-gradient(1000px 500px at 10% 110%, rgba(83, 193, 255, 0.10), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  color: var(--text);
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  padding: 24px;
}
.login-card {
  width: min(400px, 92vw);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 34px 30px 26px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(83, 193, 255, 0.22), rgba(45, 212, 191, 0.18));
  border: 1px solid rgba(83, 193, 255, 0.35);
  color: var(--accent);
  font-size: 17px; font-weight: 800;
}
.brand h1 { font-size: 17px; font-weight: 700; letter-spacing: 0.2px; }
.login-subtitle { color: var(--muted); font-size: 12px; margin: 4px 0 22px; }
.login-field { margin-bottom: 14px; }
.login-field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.login-field select,
.login-field input {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--text);
  background: rgba(6, 19, 31, 0.7);
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.15s;
}
.login-field select:focus,
.login-field input:focus { border-color: var(--accent); }
.login-remember { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); margin: 4px 0 16px; cursor: pointer; user-select: none; }
.login-remember input { accent-color: var(--accent); }
.login-submit {
  width: 100%;
  padding: 11px;
  font-size: 14px;
  font-weight: 600;
  color: #04121d;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.05s;
}
.login-submit:hover { opacity: 0.92; }
.login-submit:active { transform: translateY(1px); }
.login-submit:disabled { opacity: 0.55; cursor: not-allowed; }
.login-error {
  min-height: 18px;
  font-size: 12px;
  color: var(--danger);
  margin-top: 10px;
}
.login-hint { margin-top: 14px; font-size: 11px; color: var(--muted); line-height: 1.6; }
.login-footer {
  margin-top: 22px;
  font-size: 11px;
  color: var(--muted);
  text-align: center;
}
.login-footer a { color: var(--muted); text-decoration: none; }
.login-footer a:hover { color: var(--accent); text-decoration: underline; }