:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --border: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #f6821f;
  --primary-hover: #e07010;
  --success: #10b981;
  --success-hover: #059669;
  --danger: #ef4444;
  --code-bg: #090d16;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  padding: 30px 16px;
  line-height: 1.5;
}

.container {
  max-width: 860px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 24px;
}

.badge {
  display: inline-block;
  background: rgba(246, 130, 31, 0.15);
  color: var(--primary);
  border: 1px solid rgba(246, 130, 31, 0.3);
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 10px;
}

header h1 {
  font-size: 1.8rem;
  margin-bottom: 6px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.section-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  border-left: 3px solid var(--primary);
  padding-left: 10px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.full-width {
  grid-column: span 2;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.required {
  color: var(--danger);
}

input[type="text"], input[type="password"] {
  width: 100%;
  background: #0b1322;
  border: 1px solid var(--border);
  color: #fff;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  outline: none;
}

input:focus {
  border-color: var(--primary);
}

.tip {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

.button-group {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.btn {
  flex: 1;
  padding: 11px 16px;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover:not(:disabled) { background: var(--success-hover); }
.btn-secondary { background: #334155; color: #fff; }
.btn-secondary:hover:not(:disabled) { background: #475569; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.log-terminal {
  background: var(--code-bg);
  border: 1px solid #1e293b;
  border-radius: 8px;
  padding: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.82rem;
  min-height: 180px;
  max-height: 280px;
  overflow-y: auto;
}

.log-line { margin-bottom: 4px; word-break: break-all; }
.log-line.info { color: #94a3b8; }
.log-line.success { color: #10b981; }
.log-line.warning { color: #f59e0b; }
.log-line.error { color: #ef4444; }

.result-box {
  margin-top: 16px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 16px;
  border-radius: 8px;
}

.result-box h3 { color: #10b981; margin-bottom: 8px; }
.url-badge { margin: 10px 0; }
.url-badge a {
  background: #0f172a;
  color: #38bdf8;
  padding: 6px 12px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
}
.small-text { font-size: 0.8rem; color: var(--text-muted); }

@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
  .full-width { grid-column: span 1; }
  .button-group { flex-direction: column; }
}