:root {
  --bg: #14161a;
  --panel: #1c2026;
  --border: #2c333d;
  --text: #e8ecf1;
  --muted: #9aa3ad;
  --accent: #3d8bfd;
  --accent-hover: #5c9dff;
  --danger: #ff6b6b;
  --input: #0f1216;
  --radius: 8px;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

#app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.15rem;
}

.user-bar {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1rem;
}

h1, h2 { margin: 0 0 0.75rem; font-weight: 600; }
h2 { margin-top: 1.5rem; font-size: 1.05rem; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.hidden { display: none !important; }

.stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 360px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

input[type="email"],
input[type="password"],
input[type="number"] {
  background: var(--input);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 0.55rem 0.65rem;
  font: inherit;
}

button, .file-btn {
  appearance: none;
  border: 1px solid transparent;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 0.55rem 0.9rem;
  font: inherit;
  cursor: pointer;
}

button:hover:not(:disabled), .file-btn:hover {
  background: var(--accent-hover);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.ghost, .file-btn.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.actions { margin-top: 0.5rem; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

@media (max-width: 700px) {
  .grid-3 { grid-template-columns: 1fr; }
}

.error {
  color: var(--danger);
  margin: 0.5rem 0 0;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.table-wrap.scroll {
  max-height: 420px;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.85rem;
}

th, td {
  border-bottom: 1px solid var(--border);
  padding: 0.35rem 0.45rem;
  text-align: right;
}

th {
  background: #151920;
  position: sticky;
  top: 0;
  z-index: 1;
}

td input {
  width: 4.5rem;
  background: var(--input);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 0.25rem 0.35rem;
  font: inherit;
  text-align: right;
}

.fan-map td:first-child,
.fan-map th:first-child {
  text-align: left;
  position: sticky;
  left: 0;
  background: #151920;
}

.offsets {
  margin-top: 1.25rem;
  color: var(--muted);
}

.offsets pre {
  background: var(--input);
  padding: 0.75rem;
  overflow: auto;
  border-radius: 6px;
  color: var(--text);
}

button.google {
  background: #fff;
  color: #1f1f1f;
  border: 1px solid var(--border);
  font-weight: 600;
}

button.google:hover:not(:disabled) {
  background: #f3f4f6;
}

label.check {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
}

label.check input {
  width: auto;
}

.p241d-box {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.85rem 1rem;
  background: var(--input);
  margin-bottom: 0.5rem;
}

.p241d-box.is-disabled {
  opacity: 0.55;
}

.p241d-box #p241dHint {
  margin: 0.4rem 0 0;
}

label.check.is-disabled {
  color: var(--muted);
}