:root {
  color-scheme: dark;
  --bg: #0d1117;
  --bg-panel: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --text-dim: #8b949e;
  --accent: #58a6ff;
  --accent-2: #3fb950;
  --danger: #f85149;
  --radius: 8px;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", Consolas, Monaco, "Courier New", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.1rem; }
.brand-icon { color: var(--accent); }
.lang-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.85rem;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent); }

.ad-slot {
  max-width: 1200px;
  margin: 12px auto;
  padding: 0 20px;
  min-height: 0;
  text-align: center;
}
.ad-slot-header, .ad-slot-footer { min-height: 90px; }
.ad-slot-sidebar { min-height: 250px; padding: 0; }

.layout {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  padding: 0 20px 40px;
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { order: 2; }
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 20px 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}
.tab {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-ui);
}
.tab:hover { color: var(--text); border-color: var(--accent); }
.tab.active { color: var(--bg); background: var(--accent); border-color: var(--accent); font-weight: 600; }

.panel { display: none; }
.panel.active { display: block; animation: fadein .15s ease; }
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }

.panel h1 { font-size: 1.4rem; margin: 0 0 6px; }
.panel .desc { color: var(--text-dim); margin: 0 0 16px; font-size: 0.92rem; }

.tool-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.tool-form input[type="text"],
.tool-form input[type="number"],
.tool-form select {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font-mono);
}
.tool-form input[type="text"] { flex: 1; min-width: 200px; }
.tool-form input[type="number"] { width: 90px; }
.tool-form button {
  background: var(--accent);
  color: #04141f;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
}
.tool-form button:hover { filter: brightness(1.1); }
.tool-form button:disabled { opacity: 0.6; cursor: wait; }

.output {
  background: #010409;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 80px;
  max-height: 500px;
  overflow-y: auto;
  color: var(--accent-2);
}
.output:empty::before {
  content: attr(data-placeholder);
  color: var(--text-dim);
}
.output.error { color: var(--danger); }

.footer {
  text-align: center;
  padding: 20px;
  color: var(--text-dim);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}
.footer-sep { margin: 0 6px; color: var(--border); }
.footer-link {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}
.footer-disclaimer {
  margin: 8px auto 0;
  max-width: 640px;
  color: var(--text-dim);
  font-size: 0.72rem;
  line-height: 1.5;
}

.badge-open { color: var(--accent-2); font-weight: 700; }
.badge-closed { color: var(--text-dim); }

/* Legal modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(1, 4, 9, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal-overlay[hidden] { display: none; }
.modal-box {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 640px;
  max-height: 80vh;
  overflow-y: auto;
}
.modal-box h2 { margin-top: 0; font-size: 1.2rem; }
.modal-box p { color: var(--text-dim); font-size: 0.88rem; line-height: 1.6; }
.modal-box .tool-form-btn,
.modal-box #legal-close {
  background: var(--accent);
  color: #04141f;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  margin-top: 8px;
}

/* Consent banner */
.consent-banner {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: 20px;
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  z-index: 90;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.consent-banner[hidden] { display: none; }
.consent-banner p { margin: 0 0 12px; font-size: 0.85rem; color: var(--text); }
.consent-actions { display: flex; gap: 8px; }
.consent-accept, .consent-reject {
  padding: 8px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border);
}
.consent-accept { background: var(--accent); color: #04141f; border-color: var(--accent); }
.consent-reject { background: transparent; color: var(--text-dim); }