:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #d9dce1;
  --text: #1b1e23;
  --muted: #6b7280;
  --accent: #2f6fed;
  --accent-text: #ffffff;
  --error: #d43f3f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181d;
    --panel: #1f2229;
    --border: #33373f;
    --text: #e7e9ee;
    --muted: #9aa1ac;
    --accent: #4c86ff;
    --accent-text: #0c1116;
    --error: #ff6b6b;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.view { height: 100%; }

/* Login */
#login-view {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-card h1 { margin: 0 0 4px; font-size: 20px; }
.login-card .hint { margin: 0 0 4px; color: var(--muted); font-size: 13px; }

.login-card input[type="password"] {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.remember {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.login-card button[type="submit"] {
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: 8px;
  padding: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.error { color: var(--error); font-size: 13px; margin: 0; }

/* Browser chrome */
#browser-view {
  display: flex;
  flex-direction: column;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.toolbar button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: 15px;
}

.toolbar button:disabled { opacity: 0.4; cursor: default; }

.nav-form { flex: 1; }

#url-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

#go-btn {
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: 6px;
  width: auto;
  padding: 0 14px;
  font-weight: 600;
}

.signout { width: auto; padding: 0 12px; font-size: 13px; }

.loading-bar {
  height: 2px;
  background: var(--accent);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0% { opacity: 0.3; }
  50% { opacity: 1; }
  100% { opacity: 0.3; }
}

#frame-wrap { flex: 1; }

#proxy-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: #fff;
}