/* =========================================================
   MeTravel — static/css/nhat-ky-form.css
   Form lập lịch trình /abroad kiểu "nhật ký du lịch" (2026-11).
   Chỉ nạp ở trang form (index.html khi KHÔNG phải trang kết quả).
   Mọi màu lấy từ var(--nk-…) / var(--mt-…) trong tokens.css. Font: Playfair Display
   (tiêu đề), Be Vietnam Pro (chữ thường), Patrick Hand CHỈ cho chữ viết tay trang trí.
   Chuyển động chỉ transform/opacity và nằm trong prefers-reduced-motion: no-preference.
   Cấu trúc: templates/_form_nhat_ky.html; logic: static/js/metravel-nhat-ky.js.
   ========================================================= */

.content{background:var(--nk-nen)}
.body-pad{padding:28px clamp(20px,3.5vw,48px) 56px}
.nk-khung,.nk-chan{max-width:1240px;margin:0 auto}
/* Banner dưới form: thẳng mép trái với khối form, cùng bề rộng vùng nội dung (banner.css mặc định căn giữa 720px) */
.nk-trang > .mt-banner{margin:0;max-width:none}
.nk-khung{color:var(--nk-chu);font-family:var(--font-body)}
.nk-trang [hidden]{display:none !important}
.nk-trang{display:flex;flex-direction:column;gap:22px}
.nk-viet-tay{font-family:var(--nk-font-tay);font-weight:400}

/* ---------- Thẻ trắng ngà dùng chung ---------- */
.nk-the{background:var(--nk-the);border:1px solid var(--nk-the-vien);border-radius:22px;box-shadow:var(--nk-the-bong);box-sizing:border-box}

/* ---------- Đầu trang ---------- */
.nk-dau{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between}
.nk-dau-chu{display:flex;flex-direction:column;gap:12px;flex:1 1 520px;min-width:0}
.nk-eyebrow{margin:0;font-size:13px;letter-spacing:.08em;font-weight:700;color:var(--nk-do)}
.nk-h1{margin:0;font-family:var(--font-heading);font-size:clamp(30px,4.2vw,54px);font-weight:700;line-height:1.08;color:var(--nk-teal-dam)}
.nk-phu{margin:0;font-size:18px;color:var(--nk-chu-nhat);min-height:1.4em}
.nk-phu:empty{display:none}
.nk-buoc-mobile{display:none}

/* Thanh bước: bước hiện tại là viên thuốc viền teal; xong có dấu tích; sau màu xám */
.nk-buoc{list-style:none;margin:6px 0 0;padding:0;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.nk-buoc > li:not(.nk-buoc-noi){display:flex;align-items:center;gap:8px;color:var(--nk-chu-phu);font-weight:500;padding:4px 16px 4px 4px;border:2px solid transparent;border-radius:999px}
.nk-buoc-so{width:30px;height:30px;border-radius:50%;background:var(--nk-vien-the);display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--nk-chu)}
.nk-buoc-chu-so{font-weight:inherit}
.nk-buoc-tich{display:none}
.nk-buoc-noi{flex:0 1 120px;height:2px;background:var(--nk-vien-o)}
.nk-buoc li.nk-buoc--nay{border-color:var(--nk-teal);background:var(--nk-chon);color:var(--nk-teal-dam);font-weight:700}
.nk-buoc li.nk-buoc--nay .nk-buoc-so{background:var(--nk-teal);color:var(--mt-on-primary);font-weight:700}
.nk-buoc li.nk-buoc--xong{color:var(--nk-teal);font-weight:600}
.nk-buoc li.nk-buoc--xong .nk-buoc-so{background:var(--nk-teal);color:var(--mt-on-primary)}
.nk-buoc li.nk-buoc--xong .nk-buoc-chu-so{display:none}
.nk-buoc li.nk-buoc--xong .nk-buoc-tich{display:block}
.nk-buoc-noi.nk-buoc-noi--xong{background:var(--nk-teal)}
.nk-buoc li[data-buoc-so]{cursor:default}
.nk-tien-trinh{display:none}

/* ---------- Linh vật vali + bong bóng lời viết tay ---------- */
.nk-linh-vat-vo{display:flex;align-items:flex-start;gap:6px;flex:0 0 auto}
.nk-loi{margin-top:6px;padding:12px 18px;border:2px solid var(--nk-teal);border-radius:26px 26px 26px 6px;background:#fff;
  font-family:var(--nk-font-tay);font-size:22px;line-height:1.15;color:var(--nk-teal);max-width:200px;text-align:center}
.nk-linh-vat{display:block;transform-origin:50% 100%}

/* ---------- Lưới hai cột ---------- */
.nk-luoi{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(320px,1fr);gap:22px;align-items:start}
.nk-form{padding:28px 28px 30px;display:flex;flex-direction:column;gap:18px}
.nk-phai{display:flex;flex-direction:column;gap:22px;min-width:0}
html:not(.nk-js) .nk-phai{display:none}
.nk-h2{margin:0;font-family:var(--font-heading);font-size:28px;font-weight:700;color:var(--nk-teal-dam);line-height:1.15}
.nk-h3{margin:0;font-family:var(--font-heading);font-size:24px;font-weight:700;color:var(--nk-teal-dam)}
.nk-mo-ta{margin:4px 0 0;font-size:14px;color:var(--nk-chu-phu)}
.nk-canh-bao-3{color:var(--nk-do);font-weight:600}
/* Tắt JS: hai bước hiện liền nhau, cách nhau một đường kẻ */
html:not(.nk-js) .nk-buoc-noi-dung + .nk-buoc-noi-dung{border-top:1.5px dashed var(--nk-vien-o);padding-top:24px}
.nk-buoc-noi-dung{display:flex;flex-direction:column;gap:18px}

/* ---------- Ô nhập chung ---------- */
.nk-truong{display:flex;flex-direction:column;gap:4px;min-width:0}
.nk-nhan-tren{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--nk-chu-nhan)}
.nk-nhan-duoi{font-size:14px;font-weight:600;color:var(--nk-chu)}
.nk-o,.nk-chon{box-sizing:border-box;width:100%;min-height:46px;padding:0 12px;border:1.5px solid var(--nk-vien-o);border-radius:12px;
  background:var(--nk-the);font:600 16px var(--font-body);color:var(--nk-teal-dam)}
.nk-chon{font-size:17px}
.nk-o:focus-visible,.nk-chon:focus-visible,.nk-dem-o:focus-visible{outline:2px solid var(--nk-teal);outline-offset:2px}
.nk-an-chu{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.nk-an-that,.nk-vien-thuoc .sr-only{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.nk-loi-o{margin:8px 0 0;font-size:14px;font-weight:600;color:var(--mt-red)}

/* ---------- Bộ −/+ hình viên thuốc ---------- */
.nk-dem{display:flex;align-items:center;height:46px;border:1.5px solid var(--nk-vien-o);border-radius:999px;background:var(--nk-the);padding:0 2px}
.nk-dem-nut{width:44px;height:44px;border:0;border-radius:50%;background:transparent;color:var(--nk-teal);font-size:22px;line-height:1;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center}
.nk-dem-nut:hover{background:var(--nk-chon)}
.nk-dem-nut:focus-visible{outline:2px solid var(--nk-teal);outline-offset:-2px}
.nk-dem-o{box-sizing:border-box;width:44px;min-width:0;border:0;background:transparent;text-align:center;font:700 16px var(--font-body);
  color:var(--nk-teal-dam);font-variant-numeric:tabular-nums;-moz-appearance:textfield;appearance:textfield;padding:0 2px;height:40px}
.nk-dem-o::placeholder{color:var(--nk-chu-phu);opacity:.55;font-weight:500}
.nk-dem-o::-webkit-outer-spin-button,.nk-dem-o::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.nk-dem-don-vi{font-size:15px;font-weight:600;color:var(--nk-teal-dam);margin-right:6px;white-space:nowrap}
.nk-dem-don-vi:empty{display:none}
html:not(.nk-js) .nk-dem{padding:0 8px}

/* ---------- Bước 1: tấm vé điểm đến ---------- */
.nk-ds-ve{display:flex;flex-direction:column;margin-top:18px}
.nk-dong{display:flex;flex-direction:column}
.nk-ve{display:flex;align-items:stretch;border:2px solid var(--nk-vien-the);border-radius:16px;background:#fff;overflow:hidden}
.nk-ve-goc{flex:none;width:64px;background:var(--nk-teal);color:var(--mt-on-primary);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border-right:2.5px dashed var(--nk-nen)}
.nk-ve-nhan{font-size:11px;letter-spacing:.1em;color:var(--nk-menu-phu)}
.nk-ve-so{font-family:var(--font-heading);font-size:26px;font-weight:700}
.nk-ve-than{flex:1;min-width:0;display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap;padding:14px 14px 14px 18px}
/* Ô chọn thành phố đủ rộng cho "Choose a destination" / "Chọn điểm đến"; ô số đêm và nút nhỏ xuống dòng khi hẹp */
.nk-truong-tp{flex:1 1 240px;min-width:min(240px,100%)}
.nk-truong-tp .nk-chon{text-overflow:ellipsis}
.nk-truong-dem{flex:0 0 auto}
.nk-ve-nut{display:flex;gap:6px;align-items:center;margin-left:auto}
.nk-nut-tron{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--nk-vien-o);background:transparent;color:var(--nk-teal);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;padding:0}
.nk-nut-tron:hover:not(:disabled){background:var(--nk-chon)}
.nk-nut-tron:focus-visible{outline:2px solid var(--nk-teal);outline-offset:2px}
.nk-nut-tron:disabled{cursor:default}
.nk-nut-tron--xoa{border-color:transparent;background:var(--nk-xoa-nen);color:var(--nk-do-nhat-chu)}

/* Dòng nối giữa hai điểm: nét đứt + chặng đi (tab chang_di_chuyen) */
.nk-noi{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:4px 0 4px 26px;color:var(--nk-chu-nhat);font-size:14px}
.nk-noi-net{width:0;height:40px;border-left:2.5px dashed var(--nk-net-dut)}
.nk-noi-bieu-tuong{width:32px;height:32px;border-radius:50%;background:var(--nk-xanh-nhat);color:var(--nk-teal);display:flex;align-items:center;justify-content:center}
.nk-noi-chu{font-size:18px;color:var(--nk-teal)}
.nk-noi-link{font-weight:600;color:var(--nk-teal);text-decoration:underline;text-underline-offset:2px;min-height:24px}
.nk-dong:first-child .nk-noi{display:none}

.nk-them-vo{margin-top:12px}
.nk-them{display:inline-flex;align-items:center;gap:8px;min-height:46px;padding:0 18px;border:2px dashed var(--nk-net-dut);border-radius:999px;background:transparent;
  color:var(--nk-teal);font:700 15px var(--font-body);cursor:pointer}
.nk-them:hover{background:var(--nk-chon)}
.nk-them:focus-visible{outline:2px solid var(--nk-teal);outline-offset:2px}

/* Ngày khởi hành + chuyến bay */
.nk-bay{margin:0;padding:14px 16px 16px;border:1.5px dashed var(--nk-vien-o);border-radius:14px;display:flex;flex-wrap:wrap;gap:14px 18px;align-items:flex-end;min-width:0}
.nk-bay-tieu-de{padding:0 6px;font-weight:600;font-size:14px;color:var(--nk-teal)}
.nk-truong-ngay{flex:0 1 190px}
.nk-truong-bay{flex:1 1 280px}
.nk-chon-nhom{display:flex;flex-wrap:wrap;gap:8px}
.nk-vien-thuoc{position:relative;display:inline-flex;align-items:center;justify-content:center;text-align:center;min-height:44px;padding:8px 14px;
  border:2px solid var(--nk-vien-the);border-radius:999px;background:#fff;font:500 14px var(--font-body);color:var(--nk-chu);cursor:pointer;flex:1 1 auto}
.nk-vien-thuoc:has(input:checked){border-color:var(--nk-teal);background:var(--nk-chon);font-weight:700;color:var(--nk-teal-dam)}
.nk-vien-thuoc:has(input:focus-visible){outline:2px solid var(--nk-teal);outline-offset:2px}

/* Ghi chú viết tay nền vàng nhạt */
.nk-ghi-chu{display:flex;gap:14px;align-items:center;padding:16px 18px;border-radius:14px;background:var(--nk-ghi-chu-nen);border:1.5px dashed var(--nk-ghi-chu-vien);color:var(--nk-vang-chu)}
.nk-ghi-chu > svg{flex:none}
.nk-ghi-chu-chu{margin:0;font-family:var(--nk-font-tay);font-size:21px;line-height:1.3}
.nk-ghi-chu-ngay{margin:4px 0 0;font-size:14px;font-weight:500}

/* ---------- Nút chính / phụ ---------- */
.nk-thanh-nut{display:contents}
.nk-thanh-nut-trong{display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;margin-top:6px}
.nk-nut{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:60px;padding:0 40px;border-radius:999px;border:0;cursor:pointer;
  font:700 18px var(--font-body);text-decoration:none}
.nk-nut--chinh{background:var(--nk-do);color:var(--mt-on-primary);box-shadow:0 4px 0 var(--nk-do-bong)}
.nk-nut--chinh:hover{background:var(--mt-red-hover)}
.nk-nut--chinh:active{transform:translateY(2px);box-shadow:0 2px 0 var(--nk-do-bong)}
.nk-nut--phu{background:#fff;color:var(--nk-chu);border:2px solid var(--nk-vien-the);font-weight:600;font-size:15px;padding:0 22px;min-height:54px;gap:6px}
.nk-nut--nho{min-height:44px;padding:0 18px;font-size:14px;background:var(--nk-teal);color:var(--mt-on-primary)}
.nk-nut:focus-visible{outline:3px solid var(--nk-teal);outline-offset:3px}

/* ---------- Bản đồ chuyến đi (Bước 1, cột phải) ---------- */
.nk-ban-do{position:relative;padding:22px 22px 24px;display:flex;flex-direction:column;gap:14px}
.nk-bang-dinh{position:absolute;top:-10px;left:40px;width:84px;height:22px;background:var(--nk-bang-dinh);opacity:.85;transform:rotate(-6deg)}
.nk-nhan-dan{align-self:flex-end;padding:6px 14px;background:var(--nk-do-nhat);border:2px dashed var(--nk-do-vien);border-radius:8px;
  font-family:var(--nk-font-tay);font-size:22px;line-height:1;color:var(--nk-do-nhat-chu);transform:rotate(4deg)}
.nk-ban-do-hinh{border-radius:16px;background:var(--nk-chon);padding:20px 18px;min-height:200px;box-sizing:border-box;display:flex;flex-direction:column}
/* Bản đồ chưa có điểm đến: khung thu theo nội dung, lời nhắc viết tay + ghim mờ */
.nk-ban-do-hinh--trong{min-height:0;padding:16px 18px}
.nk-ban-do-trong{display:flex;align-items:center;gap:12px}
.nk-ban-do-ghim-mo{flex:none;display:flex;opacity:.35}
.nk-ban-do-nhac{margin:0;font-size:21px;line-height:1.25;color:var(--nk-chu-nhat)}
.nk-tong-ngay:empty,.nk-ds-ngay:empty{display:none}
.nk-ghim{display:flex;flex-direction:column;align-items:flex-start}
.nk-ghim-dong{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.nk-ghim-ten{font-family:var(--font-heading);font-size:22px;font-weight:700;color:var(--nk-teal-dam)}
.nk-ghim-dem{padding:3px 10px;border-radius:999px;background:#fff;font-size:13px;font-weight:600;color:var(--nk-teal)}
.nk-ghim-net{margin-left:15px;width:0;height:30px;border-left:2.5px dashed var(--nk-teal)}
.nk-ghim-net--xam{border-left-color:var(--nk-net-dut)}
.nk-san-bay{display:flex;align-items:center;gap:12px;color:var(--nk-chu-nhat)}
.nk-san-bay > span:first-child{width:32px;display:flex;justify-content:center;color:var(--nk-teal)}
.nk-san-bay .nk-viet-tay{font-size:20px}
.nk-tong-ngay{margin:0;display:flex;align-items:baseline;gap:10px;font-size:16px;color:var(--nk-chu-nhat)}
.nk-tong-ngay b{font-family:var(--font-heading);font-size:40px;font-weight:700;color:var(--nk-teal-dam);font-variant-numeric:tabular-nums}
.nk-ds-ngay{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:14px}
.nk-ds-ngay li{display:flex;gap:10px;align-items:baseline}
.nk-ds-ngay .nk-ngay-so{flex:none;width:58px;font-weight:700;color:var(--nk-teal);font-variant-numeric:tabular-nums}
.nk-ds-ngay .nk-ngay-chu{color:var(--nk-chu-the)}

/* ---------- Bước 2: thẻ sở thích ---------- */
.nk-luoi-pick{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.nk-pick-vo{position:relative;display:flex;align-items:center;gap:8px}
.nk-pick-hop{width:20px;height:20px;accent-color:var(--nk-teal);flex:none}
.nk-js .nk-pick-hop{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.nk-js .nk-pick-ten--khong-js{display:none}
.nk-pick{position:relative;width:100%;display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 8px 14px;border:2px solid var(--nk-vien-the);border-radius:18px;background:#fff;
  font:700 17px var(--font-heading);color:var(--nk-teal-dam);cursor:pointer;min-height:44px;transition:transform .15s ease}
.nk-pick:hover{transform:translateY(-3px)}
.nk-pick:focus-visible{outline:3px solid var(--nk-teal);outline-offset:2px}
.nk-pick--bat{border-color:var(--nk-teal);background:var(--nk-chon);box-shadow:0 4px 0 var(--nk-teal)}
.nk-pick .nk-hinh{transition:transform .2s ease}
.nk-pick:hover .nk-hinh,.nk-pick--bat .nk-hinh{transform:rotate(-4deg) scale(1.06)}
.nk-pick-tich{position:absolute;top:10px;right:10px;width:26px;height:26px;border-radius:50%;background:var(--nk-teal);color:var(--mt-on-primary);display:none;align-items:center;justify-content:center}
.nk-pick--bat .nk-pick-tich{display:flex}
.nk-pick-ten{line-height:1.2;text-align:center}

/* Số người */
.nk-nguoi{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:15px}
.nk-nguoi-nhan{font-weight:600}
.nk-nguoi-phong{color:var(--nk-chu-phu);font-size:14px}
.nk-dem--nguoi{border-width:2px}

/* Khối gập/mở: ngân sách, hộ chiếu, tiền tệ, tiết kiệm */
.nk-chi-tiet{border:1.5px dashed var(--nk-vien-o);border-radius:14px;padding:0 16px}
.nk-chi-tiet-tieu-de{cursor:pointer;min-height:48px;display:flex;align-items:center;flex-wrap:wrap;gap:4px 8px;padding:8px 0;font-weight:600;color:var(--nk-teal)}
.nk-chi-tiet-tieu-de:focus-visible{outline:2px solid var(--nk-teal);outline-offset:2px}
.nk-chi-tiet-tom{font-weight:500;color:var(--nk-chu-phu)}
.nk-chi-tiet-tom:not(:empty)::before{content:"· "}
.nk-chi-tiet-than{display:flex;flex-wrap:wrap;gap:14px;padding:4px 0 18px}
.nk-chi-tiet-than > .nk-truong{flex:1 1 180px}
.nk-truong-rong{flex:1 1 100% !important}
.nk-tiet-kiem{flex:1 1 100%;display:flex;gap:10px;align-items:flex-start;font-size:14px;cursor:pointer;min-height:44px}
.nk-tiet-kiem input{width:20px;height:20px;margin-top:2px;accent-color:var(--nk-teal);flex:none}
.nk-tiet-kiem-mo-ta{color:var(--nk-chu-phu)}

/* ---------- Bìa chuyến đi (Bước 2, cột phải) ---------- */
.nk-bia{position:relative;padding:14px 14px 22px;display:flex;flex-direction:column;gap:14px}
.nk-bia-anh-vo{position:relative}
.nk-bia-anh{height:230px;border-radius:14px;overflow:hidden;background:var(--nk-chon)}
.nk-bia-anh img,.nk-bia-anh svg,.nk-bia-anh .mh-khung{display:block;width:100%;height:100%;object-fit:cover}
.nk-nhan-dan--bia{position:absolute;top:-6px;right:-4px;font-size:26px;line-height:.95;text-align:center;transform:rotate(-12deg);align-self:auto}
.nk-bia-anh-vo .nk-bang-dinh{top:-10px;left:30px;width:76px;transform:rotate(-8deg)}
.nk-bia-ghi{position:absolute;left:10px;bottom:8px;padding:2px 8px;border-radius:6px;background:rgba(0,0,0,.55);color:#fff;font-size:11px}
.nk-bia-ghi:empty{display:none}
.nk-bia-thong-tin{padding:0 10px;display:flex;flex-direction:column;gap:12px}
.nk-ten-hang{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nk-ten-chuyen{margin:0;font-family:var(--font-heading);font-size:30px;font-weight:700;color:var(--nk-teal-dam);line-height:1.15;overflow-wrap:anywhere}
.nk-but-chi{width:44px;height:44px;border:0;border-radius:50%;background:var(--nk-chon);color:var(--nk-teal);display:flex;align-items:center;justify-content:center;cursor:pointer}
.nk-but-chi:focus-visible{outline:2px solid var(--nk-teal);outline-offset:2px}
.nk-ten-sua{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.nk-ten-sua .nk-o{flex:1 1 180px;width:auto}
.nk-bia-tuyen{margin:0;display:flex;align-items:center;gap:8px;color:var(--nk-chu-the);font-size:16px}
.nk-bia-tuyen svg{flex:none}
.nk-chips{display:flex;flex-wrap:wrap;gap:8px}
.nk-chip{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:0 14px;border-radius:999px;font:600 14px var(--font-body)}
.nk-chip--0{background:var(--nk-do-nhat);color:var(--nk-do-nhat-chu)}
.nk-chip--1{background:var(--nk-xanh-nhat);color:var(--nk-teal)}
.nk-chip--2{background:var(--nk-vang-nhat);color:var(--nk-vang-chu)}

/* ---------- Bưu thiếp "Chưa biết đi đâu?" ---------- */
.nk-buu-thiep{padding:22px 26px 26px;display:flex;flex-direction:column;gap:16px}
.nk-buu-thiep-dau{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.nk-buu-thiep-dau .nk-viet-tay{font-size:20px;color:var(--nk-chu-phu)}
.nk-buu-thiep-luoi{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:22px}
.nk-bt{display:flex;flex-direction:column;gap:8px;padding:8px 8px 12px;border:0;background:#fff;box-shadow:0 4px 14px var(--nk-bong-bun);cursor:pointer;
  font:400 20px var(--nk-font-tay);color:var(--nk-teal-dam);text-align:left;min-height:44px}
.nk-bt:focus-visible{outline:3px solid var(--nk-teal);outline-offset:3px}
.nk-bt--1{transform:rotate(-2deg)}.nk-bt--2{transform:rotate(1.5deg)}.nk-bt--3{transform:rotate(-1deg)}.nk-bt--4{transform:rotate(2deg)}
.nk-bt:hover{transform:rotate(0deg) translateY(-4px)}

/* Liên kết bài hướng dẫn cũ ("Cách tạo lịch trình") */
.nk-cach-tao{margin:0;font-size:15px}
.nk-cach-tao a{color:var(--nk-teal);text-decoration:underline;text-underline-offset:2px}

/* ---------- Máy tính nhỏ / máy tính bảng: một cột ---------- */
@media (max-width:1000px){
  .nk-luoi{grid-template-columns:minmax(0,1fr)}
}

/* ---------- Điện thoại (≤700px) ---------- */
@media (max-width:700px){
  .body-pad{padding:14px 16px 120px}
  .nk-trang{gap:14px}
  .nk-dau{flex-wrap:nowrap;align-items:flex-end;gap:8px}
  .nk-dau-chu{flex:1 1 auto;gap:8px}
  .nk-eyebrow,.nk-buoc{display:none}
  .nk-buoc-mobile{display:block;margin:0;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--nk-do)}
  .nk-h1{font-size:26px;line-height:1.1}
  .nk-phu{font-size:14px}
  .nk-tien-trinh{display:flex;gap:6px}
  .nk-tien-trinh span{flex:1;height:5px;border-radius:3px;background:var(--nk-vien-the)}
  .nk-tien-trinh .nk-tien--xong{background:var(--nk-teal)}
  .nk-tien-trinh .nk-tien--nay{background:var(--nk-do)}
  .nk-loi{display:none}
  .nk-linh-vat{width:62px;height:auto}
  .nk-form{padding:20px 16px 22px;border-radius:18px}
  .nk-h2{font-size:24px}
  .nk-ve-goc{width:52px}
  .nk-ve-than{padding:12px}
  .nk-ve-nut{margin-left:0;width:100%;justify-content:flex-end}
  .nk-luoi-pick{gap:8px}
  .nk-pick{padding:10px 4px 8px;border-radius:16px;font-size:14px;gap:4px}
  .nk-pick .nk-hinh{width:48px;height:42px}
  .nk-pick-tich{top:6px;right:6px;width:22px;height:22px}
  .nk-buu-thiep{padding:18px 16px 20px}
  .nk-buu-thiep-luoi{gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
  .nk-ghi-chu-chu{font-size:19px}
  /* Thanh nút cố định đáy màn hình. Cao bao nhiêu thì nút chat nổi (lien-he.js đọc [data-lh-tranh]) và hộp
     đồng ý GA (--thanh-cao, đặt bởi metravel-nhat-ky.js) nhường bấy nhiêu. */
  .nk-thanh-nut{display:block;position:fixed;left:0;right:0;bottom:0;z-index:35;background:var(--nk-the);border-top:1px solid var(--nk-the-vien);
    padding:12px 16px calc(14px + env(safe-area-inset-bottom,0px))}
  .nk-thanh-nut-trong{margin:0;flex-wrap:nowrap}
  .nk-nut{min-height:54px;padding:0 18px;font-size:16px;gap:8px}
  .nk-nut--chinh{flex:1}
  .nk-nut--phu{flex:0 0 auto}
}

/* ---------- Chuyển động: chỉ khi khách không chọn giảm chuyển động ---------- */
@keyframes nk-pop{0%{transform:scale(1)}35%{transform:scale(1.07) rotate(-1deg)}70%{transform:scale(.98)}100%{transform:scale(1)}}
@keyframes nk-bob{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-8px) rotate(3deg)}}
@keyframes nk-wiggle{0%,100%{transform:rotate(-2deg)}50%{transform:rotate(2deg)}}
@keyframes nk-vao{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
@keyframes nk-dong-dau{0%{opacity:0;transform:scale(1.6) rotate(-24deg)}70%{opacity:1;transform:scale(.95) rotate(-12deg)}100%{transform:scale(1) rotate(-12deg)}}
@media (prefers-reduced-motion:no-preference){
  .nk-linh-vat{animation:nk-bob 2.8s ease-in-out infinite}
  .nk-loi{animation:nk-wiggle 3.2s ease-in-out infinite}
  .nk-ve{animation:nk-vao .35s ease both}
  .nk-pick--bat{animation:nk-pop .42s ease}
  .nk-bt:active{animation:nk-pop .35s ease}
  .nk-nhan-dan--bia{animation:nk-dong-dau .6s ease both}
}
@media (prefers-reduced-motion:reduce){
  .nk-pick,.nk-pick .nk-hinh,.nk-bt{transition:none}
  .nk-pick:hover,.nk-bt:hover{transform:none}
  .nk-pick:hover .nk-hinh,.nk-pick--bat .nk-hinh{transform:none}
}

/* Nhịp độ, đi cùng ai, chip "Thường đi cùng" (2026-11) */
.nk-nhom-chon{margin:18px 0 0;padding:0;border:0;min-width:0}
.nk-nhom-chon .nk-h3{padding:0;margin:0 0 8px;font:700 18px var(--font-display, inherit);color:var(--nk-teal-dam)}
.nk-tuy-chon{font:500 13px var(--font-body);color:var(--mt-muted)}
.nk-vien-icon{gap:8px;flex-direction:row}
.nk-vien-icon svg{flex:none}
.nk-tdc{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px}
.nk-tdc[hidden]{display:none}
.nk-tdc-nhan{font:600 14px var(--font-body);color:var(--nk-teal)}
.nk-tdc-chips{display:flex;flex-wrap:wrap;gap:8px}
.nk-tdc-chip{min-height:44px;padding:0 14px;border:1.5px dashed var(--nk-vien-o);border-radius:999px;background:#fff;font:600 14px var(--font-body);color:var(--nk-teal-dam);cursor:pointer}
.nk-tdc-chip:hover{border-color:var(--nk-teal)}