/* ==========================================================================
   Visesa Amantrana — Configuration Admin UI
   Deliberately plain/utilitarian, not the customer-facing brand system:
   this is an internal tool for editing data, not a marketing surface.
   ========================================================================== */
:root {
  --ink: #1F2430;
  --ink-soft: #545B6B;
  --paper: #F4F5F7;
  --panel: #FFFFFF;
  --line: #DCE0E6;
  --accent: #2856C9;
  --accent-dark: #1D3F99;
  --success: #1E7A46;
  --success-bg: #E7F5EC;
  --danger: #B3273D;
  --danger-bg: #FBE9EC;
  --warn: #8A5410;
  --warn-bg: #FBF1E1;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 8px;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--sans); background: var(--paper); color: var(--ink);
  line-height: 1.5; font-size: 14px;
}
a { color: var(--accent); }
h1, h2, h3 { font-weight: 650; margin: 0 0 8px; }
h1 { font-size: 1.3rem; }
h2 { font-size: 1.05rem; }
h3 { font-size: 0.95rem; }
p { margin: 0 0 10px; color: var(--ink-soft); }
code, .mono { font-family: var(--mono); }

.app-header {
  background: var(--ink); color: #fff; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.app-header__title { display: flex; align-items: center; gap: 10px; }
.app-header__badge {
  font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em;
  background: rgba(255,255,255,0.15); padding: 3px 8px; border-radius: 999px;
}
.app-header__conn { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; }
.conn-dot { width: 9px; height: 9px; border-radius: 50%; background: #666; }
.conn-dot.is-connected { background: #4ADE80; }
.conn-dot.is-error { background: #F87171; }

.container { max-width: 1180px; margin: 0 auto; padding: 20px; }

.banner {
  padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 0.88rem;
}
.banner--info { background: #E9EEFB; color: var(--accent-dark); border: 1px solid #C7D3F2; }
.banner--warn { background: var(--warn-bg); color: var(--warn); border: 1px solid #EAD3AC; }
.banner--danger { background: var(--danger-bg); color: var(--danger); border: 1px solid #EFC1CA; }
.banner--success { background: var(--success-bg); color: var(--success); border: 1px solid #BFE3CC; }
.banner ul { margin: 4px 0 0; padding-left: 18px; }

/* ---- Connect panel ---- */
.connect-panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; margin-bottom: 20px;
}
.connect-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 12px; }
@media (max-width: 800px) { .connect-grid { grid-template-columns: 1fr; } }

/* ---- Tabs ---- */
.tab-bar {
  display: flex; gap: 4px; border-bottom: 2px solid var(--line); margin-bottom: 20px; flex-wrap: wrap;
}
.tab-btn {
  font-family: var(--sans); font-size: 0.88rem; font-weight: 600; color: var(--ink-soft);
  background: none; border: none; padding: 10px 14px; cursor: pointer; border-bottom: 3px solid transparent;
  margin-bottom: -2px;
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.is-active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

/* ---- Field groups ---- */
.field-group {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 16px;
}
.field-group__title { font-size: 0.95rem; font-weight: 650; margin-bottom: 2px; }
.field-group__desc { font-size: 0.82rem; color: var(--ink-soft); margin-bottom: 14px; }

.field-row {
  display: grid; grid-template-columns: 260px 1fr; gap: 16px; align-items: start;
  padding: 12px 0; border-bottom: 1px solid var(--line);
}
.field-row:last-child { border-bottom: none; }
@media (max-width: 700px) { .field-row { grid-template-columns: 1fr; } }

.field-meta__label { font-weight: 600; font-size: 0.88rem; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.field-meta__desc { font-size: 0.8rem; color: var(--ink-soft); margin: 4px 0 0; }
.field-meta__affects { font-size: 0.76rem; color: var(--accent-dark); margin: 4px 0 0; }
.field-meta__affects::before { content: "Affects: "; font-weight: 600; }
.field-meta__range { font-size: 0.76rem; color: var(--ink-soft); font-family: var(--mono); margin-top: 4px; }

.badge { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; padding: 2px 7px; border-radius: 999px; }
.badge--inactive { background: #EEE; color: #888; }
.badge--required { background: #FDE4E8; color: var(--danger); }
.badge--locked { background: #E9EEFB; color: var(--accent-dark); }

.field-input input[type="text"],
.field-input input[type="email"],
.field-input input[type="number"],
.field-input input[type="password"],
.field-input textarea,
.field-input select {
  width: 100%; padding: 8px 10px; border: 1.5px solid var(--line); border-radius: 6px;
  font-family: var(--sans); font-size: 0.88rem; background: #fff; color: var(--ink);
}
.field-input textarea { min-height: 70px; resize: vertical; font-family: var(--mono); }
.field-input input:disabled, .field-input textarea:disabled, .field-input select:disabled {
  background: #F2F2F2; color: #999;
}
.field-input .swatch-row { display: flex; align-items: center; gap: 8px; }
.field-input .swatch { width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--line); flex-shrink: 0; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: 16px; height: 16px; }

/* ---- Array editors ---- */
.array-editor__item {
  border: 1px solid var(--line); border-radius: 6px; padding: 12px 14px; margin-bottom: 10px; background: #FAFBFC;
}
.array-editor__item-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.array-editor__item-title { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-soft); }
.array-editor__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 12px; }
@media (max-width: 700px) { .array-editor__grid { grid-template-columns: 1fr; } }
.array-editor__grid label { display: block; font-size: 0.76rem; font-weight: 600; margin-bottom: 3px; color: var(--ink-soft); }
.array-editor__nested { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }

/* ---- Buttons ---- */
.btn {
  font-family: var(--sans); font-weight: 600; font-size: 0.85rem; border-radius: 6px;
  padding: 8px 16px; border: 1.5px solid transparent; cursor: pointer; display: inline-flex;
  align-items: center; gap: 6px;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--ink-soft); }
.btn-danger { background: #fff; color: var(--danger); border-color: #EFC1CA; }
.btn-danger:hover { background: var(--danger-bg); }
.btn-sm { padding: 5px 10px; font-size: 0.78rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.tab-footer {
  position: sticky; bottom: 0; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: 8px; box-shadow: 0 -4px 16px rgba(0,0,0,0.06); flex-wrap: wrap;
}
.tab-footer__status { font-size: 0.82rem; color: var(--ink-soft); }

/* ---- Diff preview modal ---- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45); display: none;
  align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-backdrop.is-open { display: flex; }
.modal {
  background: #fff; border-radius: var(--radius); max-width: 720px; width: 100%; max-height: 85vh;
  display: flex; flex-direction: column; overflow: hidden;
}
.modal__header { padding: 16px 20px; border-bottom: 1px solid var(--line); }
.modal__body { padding: 16px 20px; overflow-y: auto; }
.modal__footer { padding: 14px 20px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; }
.diff-block { font-family: var(--mono); font-size: 0.78rem; background: #F6F7F9; border-radius: 6px; padding: 12px; white-space: pre-wrap; word-break: break-word; max-height: 340px; overflow-y: auto; }

.hint { font-size: 0.8rem; color: var(--ink-soft); }
.empty-state { text-align: center; padding: 30px; color: var(--ink-soft); }