:root {
  --bg: #0d1117;
  --card: #161c26;
  --card-border: #232c3b;
  --text: #dbe4f0;
  --muted: #8494ab;
  --accent: #35c8e8;
  --accent-dark: #1899b8;
  --error: #ff6b6b;
  --ok: #4ade80;
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  max-width: 880px;
  padding: 24px 16px 60px;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
  line-height: 1.5;
}

header { text-align: center; margin-bottom: 28px; position: relative; }
.btn.lang {
  position: absolute;
  top: 0;
  right: 0;
  padding: 6px 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.logo { font-size: 2rem; font-weight: 700; letter-spacing: 0.5px; }
.logo span { color: var(--accent); }
.tagline { color: var(--muted); margin: 4px 0 0; }

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 20px 22px;
  margin-bottom: 18px;
}

h2 { margin: 0 0 12px; font-size: 1.15rem; }
h3 { margin: 18px 0 8px; font-size: 1rem; color: var(--accent); }
.muted { color: var(--muted); font-size: 0.85rem; font-weight: normal; }
.hidden { display: none !important; }
.center { text-align: center; }
.error { color: var(--error); }

.row { display: flex; gap: 10px; }
.row input { flex: 1; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; margin-top: 10px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 12px; }
@media (max-width: 640px) { .grid2, .grid3 { grid-template-columns: 1fr; } }

label { display: flex; flex-direction: column; gap: 4px; font-size: 0.92rem; }
label.check { flex-direction: row; align-items: center; gap: 8px; }

input[type="text"], input[type="number"], input[type="password"], select, textarea {
  background: #0b0f16;
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 0.95rem;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }

fieldset {
  border: 1px solid var(--card-border);
  border-radius: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 8px 12px;
}
legend { color: var(--muted); font-size: 0.85rem; padding: 0 4px; }

.btn {
  background: #202a3a;
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 9px 18px;
  font-size: 0.95rem;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; font-weight: 600; }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); }
.btn.big { font-size: 1.05rem; padding: 13px 30px; }
.btn.danger { color: var(--error); }
.btn:disabled { opacity: 0.5; cursor: wait; }

.choices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
@media (max-width: 640px) { .choices { grid-template-columns: 1fr; } }
.choice {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  background: #0b0f16;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.choice:hover { border-color: var(--accent); }
.choice:has(input:checked) { border-color: var(--accent); background: #0e1622; }
.choice input { margin-top: 3px; accent-color: var(--accent); }
.choice-body { display: flex; flex-direction: column; gap: 3px; }
.choice-body strong { font-size: 0.98rem; }

#dropzone {
  border: 2px dashed var(--card-border);
  border-radius: 10px;
  padding: 26px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s;
}
#dropzone:hover, #dropzone.dragover { border-color: var(--accent); }
#dropzone p { margin: 4px 0; }
.fileinfo { color: var(--ok); font-weight: 600; }

#gen-status { color: var(--ok); font-weight: 600; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--card-border); }
th { color: var(--muted); font-weight: 600; }
td code { background: #0b0f16; padding: 2px 8px; border-radius: 6px; font-size: 0.95em; }
.pill { padding: 2px 10px; border-radius: 99px; font-size: 0.8rem; }
.pill.ok { background: #123822; color: var(--ok); }
.pill.off { background: #3a1520; color: var(--error); }
.pill.wait { background: #33301a; color: #eace5c; }

footer { text-align: center; margin-top: 30px; }