/*
 * parent.css — Trang phụ huynh: chỉ số, lịch nhiệt, cột phút học, bảng, khu quản lý.
 */
.parent-page { display: grid; gap: 18px; }
/* Cho phép thẻ co lại; bảng rộng thì cuộn ngang trong .table-scroll thay vì kéo giãn cả trang */
.parent-page > *, .parent-grid > *, .kpi-grid > * { min-width: 0; }
.parent-page > p { margin: -10px 0 0; }
.parent-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.parent-head h1 { margin: 0; }
.profile-tabs { display: flex; flex-wrap: wrap; gap: 6px; }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr)); gap: 12px; }
.kpi { display: grid; gap: 2px; padding: 14px 16px; align-content: start; }
.kpi small { color: var(--muted); font-weight: 600; }
.kpi b { font-size: 1.6rem; line-height: 1.2; }
.kpi .muted { font-size: 0.82rem; }

.parent-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); gap: 18px; align-items: start; }

/* Lịch nhiệt 12 tuần: 7 hàng (T2→CN), mỗi cột 1 tuần */
.heatmap-wrap { display: flex; gap: 6px; }
.hm-days { display: grid; grid-template-rows: repeat(7, 16px); gap: 4px; font-size: 0.7rem; color: var(--muted); }
.heatmap { display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 16px); grid-auto-columns: 16px; gap: 4px; overflow-x: auto; }
.hm-cell { display: inline-block; width: 16px; height: 16px; border-radius: 4px; background: var(--surface-3); }
.hm-cell.l1 { background: color-mix(in srgb, var(--easy) 25%, var(--surface-3)); }
.hm-cell.l2 { background: color-mix(in srgb, var(--easy) 50%, var(--surface-3)); }
.hm-cell.l3 { background: color-mix(in srgb, var(--easy) 75%, var(--surface-3)); }
.hm-cell.l4 { background: var(--easy); }
.hm-cell.future { background: transparent; }
.hm-legend { display: flex; align-items: center; gap: 4px; margin-top: 10px; font-size: 0.78rem; color: var(--muted); }
.hm-legend .hm-cell { width: 12px; height: 12px; }

.bars { display: grid; grid-template-columns: repeat(14, 1fr); gap: 6px; height: 170px; align-items: end; }
.bar-col { display: grid; grid-template-rows: auto 1fr auto; height: 100%; justify-items: center; gap: 3px; }
.bar { align-self: end; width: 100%; min-height: 2px; border-radius: 5px 5px 2px 2px; background: var(--primary); }
.bar-val { font-size: 0.7rem; color: var(--muted); }
.bar-col small { font-size: 0.7rem; color: var(--muted); }

.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th { text-align: left; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); padding: 6px 8px; border-bottom: 2px solid var(--border); white-space: nowrap; }
.data-table td { padding: 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table td:nth-child(2) .progress { min-width: 90px; }
.data-table.compact td { padding: 5px 8px; }

.manage { display: grid; gap: 12px; }
.manage h2 { margin: 0; }
.manage-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.manage-row small { flex-basis: 100%; }

/* Đồng bộ giữa các máy (mã gia đình) */
.sync-code { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 4px 0 8px; }
.sync-code b { font-family: var(--mono); font-size: 1.35rem; letter-spacing: 0.08em; }
.sync-row { display: flex; gap: 8px; flex-wrap: wrap; }
.sync-input {
  font: inherit; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.06em;
  width: 230px; max-width: 100%; padding: 8px 10px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
}
.sync-actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.sync-label { display: block; font-weight: 600; margin: 14px 0 6px; }
.sync-status { margin: 6px 0; }
.sync-msg { margin: 8px 0 0; font-size: 0.9rem; color: var(--muted); }
.sync-msg:empty { display: none; }
.sync-msg.bad { color: var(--bad); }
.sync-join-card { display: grid; gap: 6px; margin-top: 18px; text-align: left; }
.sync-join-card p { margin: 0; }

/* Tài khoản gia đình: chọn Đăng nhập / Tạo tài khoản, form */
.seg { display: inline-flex; padding: 3px; margin: 6px 0 10px; border-radius: 10px; background: var(--surface-2); }
.seg-btn {
  font: inherit; font-weight: 600; font-size: 0.9rem; cursor: pointer;
  border: 0; border-radius: 8px; padding: 6px 14px; background: transparent; color: var(--muted);
}
.seg-btn.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.account-form { display: grid; gap: 10px; max-width: 360px; }
.account-form .field input {
  font: inherit; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text);
}
.sync-card .note, .sync-join-card .note { margin: 0 0 8px; }