/* 远程浏览器：登录与浏览器页共用基础样式。最小现代中文 UI，手机友好。*/
:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --bg-card: #1a1d24;
  --fg: #e8eaed;
  --fg-dim: #9aa0a6;
  --accent: #4f8cff;
  --accent-press: #2f6bd9;
  --error: #ff6b6b;
  --border: #2a2e37;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100dvh;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6fa;
    --bg-card: #ffffff;
    --fg: #1f2329;
    --fg-dim: #5b6470;
    --accent: #1f6feb;
    --accent-press: #1858bf;
    --error: #c0392b;
    --border: #d6dae1;
  }
}

/* ---------- 登录页 ---------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: env(safe-area-inset-top, 16px) 16px env(safe-area-inset-bottom, 16px);
}
.login-card {
  width: min(420px, 100%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 22px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
.login-card h1 {
  margin: 0 0 6px;
  font-size: 22px;
  letter-spacing: 0.02em;
}
.login-card .hint {
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--fg-dim);
}
.login-card form { display: flex; flex-direction: column; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--fg-dim); }
.field input {
  font-size: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  outline: none;
}
.field input:focus { border-color: var(--accent); }
button[type="submit"], button[type="button"]#logout {
  font-size: 15px;
  font-weight: 600;
  padding: 12px 14px;
  border-radius: 10px;
  border: 0;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
button:active { background: var(--accent-press); }
button:disabled { opacity: 0.6; cursor: progress; }
#error {
  margin: 4px 0 0;
  min-height: 1.2em;
  font-size: 13px;
  color: var(--error);
}

/* ---------- 浏览器页 ---------- */
.browser-body { display: flex; flex-direction: column; height: 100dvh; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  gap: 8px;
}
.topbar .brand { font-weight: 600; font-size: 15px; }
.topbar .user { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--fg-dim); }
.topbar button#logout {
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
}
.notice {
  padding: 8px 14px;
  font-size: 12px;
  color: var(--fg-dim);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.vnc { flex: 1; min-height: 0; position: relative; background: #000; }
.vnc iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

@media (max-width: 640px) {
  .topbar { padding: 8px 10px; }
  .notice { font-size: 11px; padding: 6px 10px; }
}