:root {
  --bg: #0f1419;
  --card: #1a2332;
  --border: #2d3a4d;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
}

* { box-sizing: border-box; }
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 1.5rem;
  line-height: 1.5;
}

header h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }
header p { margin: 0; color: var(--muted); font-size: 0.9rem; }

.actions { margin: 1.25rem 0; display: flex; gap: 0.5rem; flex-wrap: wrap; }
button {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { border-color: var(--red); color: var(--red); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}
.card .label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; }
.card .value { font-size: 1.75rem; font-weight: 600; margin-top: 0.25rem; }
.card .sub { font-size: 0.8rem; color: var(--muted); }

.tabs { display: flex; gap: 0.25rem; margin-bottom: 1rem; }
.tab { border-radius: 6px 6px 0 0; }
.tab.active { background: var(--card); border-bottom-color: var(--card); }

.panel { background: var(--card); border: 1px solid var(--border); border-radius: 0 8px 8px 8px; padding: 1rem; overflow-x: auto; }
.hidden { display: none; }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
}
.badge.active, .badge.completed, .badge.published { background: #14532d; color: var(--green); }
.badge.paused, .badge.pending { background: #422006; color: var(--yellow); }
.badge.failed { background: #450a0a; color: var(--red); }
.badge.processing { background: #1e3a5f; color: var(--accent); }

.toast {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  display: none;
}
.toast.show { display: block; }

.hint { color: var(--muted); font-size: 0.85rem; margin: 0 0 1rem; }
.muted { color: var(--muted); font-size: 0.8rem; }

.persona-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}
.persona-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  background: #121a26;
}
.persona-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.persona-card-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}
.avatar-wrap, .avatar-preview-wrap {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  position: relative;
}
.avatar-sm, .avatar-preview {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
  background: var(--bg);
}
.avatar-fallback, .avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #1e3a5f;
  color: #93c5fd;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid var(--border);
}
.avatar-fallback.hidden, .avatar-preview.hidden, .avatar-placeholder.hidden {
  display: none;
}
.avatar-row {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.avatar-url-label { flex: 1; }
.field-hint {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: normal;
  margin-top: 0.15rem;
}
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.persona-card-btns {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex-shrink: 0;
}
.persona-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.persona-count { font-size: 0.9rem; color: var(--muted); }
.batch-filter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.batch-filter select {
  min-width: 140px;
}
.modal-footer #btn-delete-persona { margin-right: auto; }
.persona-card h3 { margin: 0 0 0.25rem; font-size: 1rem; }
.persona-stats {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.persona-actions { display: flex; gap: 0.5rem; }

.modal.hidden { display: none; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
}
.modal-panel {
  position: relative;
  width: min(720px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { margin: 0; font-size: 1.1rem; }
.modal-close {
  font-size: 1.5rem;
  line-height: 1;
  padding: 0.25rem 0.5rem;
  background: transparent;
  border: none;
  color: var(--muted);
}
.modal-body { padding: 1.25rem; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.form-grid.triple { grid-template-columns: repeat(3, 1fr); }
.form-section { margin: 1rem 0; }
.form-section h3 { margin: 0 0 0.5rem; font-size: 0.9rem; color: var(--muted); }
label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.8rem; color: var(--muted); }
input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 0.5rem 0.65rem;
  font-size: 0.875rem;
  font-family: inherit;
}
textarea.mono { font-family: ui-monospace, monospace; font-size: 0.8rem; line-height: 1.45; }
input.readonly { opacity: 0.7; }
.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.5rem;
}
.board-item span { font-size: 0.75rem; }
.board-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.board-tag {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.board-tag:hover { border-color: var(--accent); color: var(--text); }
.board-tag.selected {
  background: #1e3a5f;
  border-color: var(--accent);
  color: #fff;
}
.required-mark { color: var(--red); font-size: 0.85rem; }