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

:root {
  --bg: #0f1420;
  --card: #1a2233;
  --border: #2a3550;
  --text: #e8ecf5;
  --muted: #8b96ad;
  --accent: #4f8cff;
  --ok: #3ecf8e;
  --err: #ff6b6b;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 24px 16px 64px;
  max-width: 720px;
  margin: 0 auto;
}

header { text-align: center; margin-bottom: 24px; }
h1 { font-size: 1.6rem; }
.subtitle { color: var(--muted); margin-top: 4px; }

.status { margin-top: 10px; font-size: 0.85rem; color: var(--muted); }
.status .on { color: var(--ok); }
.status .off { color: var(--err); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 20px;
}

h2 { font-size: 1.1rem; margin-bottom: 12px; }
.hint { color: var(--muted); font-size: 0.85rem; margin-bottom: 12px; }

input[type="text"], input[type="password"], textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
  margin-bottom: 10px;
}
textarea { resize: vertical; }

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button:disabled { opacity: 0.6; cursor: wait; }
button.secondary {
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--muted);
  width: 100%;
  margin-bottom: 12px;
}
button.danger {
  background: transparent;
  border: none;
  color: var(--err);
  padding: 4px 8px;
  font-size: 1rem;
}

.file-label {
  display: inline-block;
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--muted);
  cursor: pointer;
  margin-bottom: 10px;
}

.preview {
  display: block;
  max-width: 100%;
  max-height: 240px;
  border-radius: 10px;
  margin-bottom: 10px;
}

.targets { display: flex; gap: 18px; margin-bottom: 12px; color: var(--muted); }
.targets label { display: flex; align-items: center; gap: 6px; cursor: pointer; }

.toggle { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 0.95rem; }
.toggle input { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }
#settings-result { margin-top: 10px; font-size: 0.9rem; }
code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 0.85em;
}

.rule {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 10px;
}
.rule-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.rule-head span { color: var(--muted); font-size: 0.8rem; }

.default-reply { display: block; color: var(--muted); font-size: 0.85rem; margin: 12px 0; }
.default-reply textarea { margin-top: 6px; }

.error { color: var(--err); font-size: 0.9rem; margin-top: 8px; }
.ok-msg { color: var(--ok); }
.err-msg { color: var(--err); }
#post-result, #rules-result { margin-top: 10px; font-size: 0.9rem; white-space: pre-line; }

.history-item {
  border-top: 1px solid var(--border);
  padding: 10px 0;
  font-size: 0.85rem;
}
.history-item:first-child { border-top: none; }
.history-item .meta { color: var(--muted); }
.history-item .badge {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 8px;
  margin-right: 6px;
  font-size: 0.75rem;
}

.ig-status { font-size: 0.9rem; margin-bottom: 12px; }
.ig-status .on { color: var(--ok); }
.ig-status .off { color: var(--muted); }
.ig-status .meta { color: var(--muted); font-size: 0.8rem; margin-top: 4px; }
.ig-actions { display: flex; gap: 10px; flex-wrap: wrap; }
button.secondary.auto { width: auto; margin-bottom: 0; }
#ig-result { margin-top: 10px; font-size: 0.9rem; }

.hidden { display: none !important; }