/* Nhánh tiếng Anh /plan (plan_en.py) — dùng chung cho plan.html, plan_trip.html,
   plan_save.html. Bản in (plan_print.html) có CSS riêng trong file của nó. */
:root{
  --font-heading:'Playfair Display',Georgia,serif;
  --font-body:'Be Vietnam Pro',system-ui,sans-serif;
  --brand:var(--mt-primary);--brand-dark:var(--mt-primary-hover);--ink:var(--mt-text);--ink-soft:var(--mt-muted);
  --accent:var(--mt-primary);--tint:var(--mt-surface);--bg:var(--mt-page);--line:var(--mt-border);--warn:var(--mt-note-text);
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--brand)}
.pl-dau{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;
  padding:1.1rem 16px;max-width:760px;margin:0 auto}
.pl-logo{font-family:var(--font-heading);font-weight:500;font-size:22px;color:var(--brand);text-decoration:none}
.pl-dau-phu{font-size:.85rem;color:var(--ink-soft)}
.pl-chinh{max-width:760px;margin:0 auto;padding:0 16px 48px}
.pl-chan{max-width:760px;margin:0 auto;padding:16px;font-size:.8rem;color:var(--ink-soft)}
h1{font-family:var(--font-heading);font-weight:600;font-size:clamp(1.8rem,5vw,2.6rem);
  line-height:1.15;margin:.4rem 0 .6rem;color:var(--brand)}
h2{font-family:var(--font-heading);font-weight:600;font-size:1.45rem;margin:2rem 0 .8rem;color:var(--brand)}
.pl-mo-ta{color:var(--ink-soft);margin:0 0 1.5rem;max-width:40ch}
.pl-the{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.pl-loi{background:#fff;border:1px solid var(--mt-red);color:var(--mt-red);border-radius:10px;
  padding:10px 14px;margin:0 0 1rem}
.pl-nho{font-size:.85rem;color:var(--ink-soft)}

/* ---- Form ---- */
.pl-form label,.pl-nhan{display:block;font-weight:600;font-size:.92rem;margin:0 0 .35rem}
.pl-truong{margin:0 0 1.2rem}
.pl-form select,.pl-form input[type=number],.pl-form input[type=date],.pl-form input[type=text]{
  width:100%;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;
  font:inherit;background:#fff;color:var(--ink)}
.pl-chang{display:grid;grid-template-columns:1fr 6.5rem auto;gap:8px;align-items:end;margin:0 0 8px}
.pl-chang .pl-so-dem input{text-align:center}
.pl-nut-phu{min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink-soft);font:inherit;font-size:.85rem;cursor:pointer}
.pl-di-kem{margin:.4rem 0 1rem;font-size:.9rem;color:var(--ink-soft)}
.pl-di-kem button{margin:4px 6px 0 0;min-height:36px;padding:0 12px;border-radius:999px;
  border:1px solid var(--brand);background:var(--tint);color:var(--brand);font:inherit;
  font-size:.85rem;cursor:pointer}
.pl-chon{display:flex;flex-wrap:wrap;gap:8px}
.pl-chon label{display:inline-flex;align-items:center;gap:6px;font-weight:400;min-height:40px;
  padding:0 12px;border:1px solid var(--line);border-radius:999px;background:#fff;cursor:pointer;margin:0}
.pl-chon input{accent-color:var(--brand)}
.pl-nut{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;
  padding:0 1.4rem;border:0;border-radius:999px;background:var(--brand);color:#fff;font:inherit;
  font-weight:700;cursor:pointer;text-decoration:none}
.pl-nut:focus-visible,.pl-nut-phu:focus-visible,.pl-di-kem button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.pl-nut-vien{background:#fff;color:var(--brand);border:1px solid var(--brand)}
/* Nút hành động chính DUY NHẤT của /plan (tạo chuyến) — đỏ (tokens.css) */
.pl-nut--chinh{background:var(--mt-red);color:var(--mt-on-primary)}
.pl-nut--chinh:hover{background:var(--mt-red-hover)}
@media (max-width:520px){
  .pl-chang{grid-template-columns:1fr 5.2rem}
  .pl-chang .pl-bo{grid-column:1/-1}
}

/* ---- Trang kết quả ---- */
.pl-tom-tat{color:var(--ink-soft);margin:0 0 1rem}
.pl-hanh-dong{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 1.5rem}
.pl-ngay{background:#fff;border:1px solid var(--line);border-radius:14px;margin:0 0 14px;overflow:hidden}
.pl-ngay-dau{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap;
  padding:12px 16px;background:var(--tint)}
.pl-ngay-dau h3{margin:0;font-family:var(--font-heading);font-size:1.15rem;color:var(--brand)}
.pl-ngay-dau span{font-size:.85rem;color:var(--ink-soft)}
.pl-ngay-than{padding:4px 16px 12px}
.pl-o{padding:10px 0;border-top:1px solid var(--line)}
.pl-o:first-child{border-top:0}
.pl-o-nhan{font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);margin:0 0 4px}
.pl-o-trong{font-size:.9rem;color:var(--ink-soft)}
.pl-co-dinh{font-size:.95rem;margin:2px 0}
.pl-diem{margin:6px 0 10px}
.pl-diem-ten{font-weight:600;font-size:1.02rem;margin:0}
.pl-nhan-ca-ngay{display:inline-block;margin-left:6px;padding:1px 8px;border-radius:999px;
  background:var(--accent);color:var(--mt-on-primary);font-size:.72rem;font-weight:700;vertical-align:middle}
.pl-diem-phu{font-size:.85rem;color:var(--ink-soft);margin:2px 0}
.pl-diem-mo-ta{font-size:.92rem;margin:4px 0}
.pl-diem-mo-ta p{margin:0 0 .4rem}
.pl-canh-bao{font-size:.85rem;color:var(--warn);margin:4px 0}
.pl-link{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 0}
.pl-link a{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:.85rem;text-decoration:none;color:var(--brand)}
.pl-lo-trinh{margin:4px 0 0}
.pl-cach-di{margin:8px 0;padding:10px 12px;border-radius:10px;background:var(--bg)}
.pl-cach-di h4{margin:0 0 6px;font-size:.95rem}
.pl-pt{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline;padding:6px 0;border-top:1px dashed var(--line);font-size:.9rem}
.pl-pt:first-of-type{border-top:0}
.pl-pt b{min-width:5.5rem}
.pl-pt .pl-khuyen{font-size:.72rem;font-weight:700;color:var(--mt-on-primary);background:var(--accent);border-radius:999px;padding:1px 8px}
.pl-pt-luu-y{flex-basis:100%;font-size:.82rem;color:var(--ink-soft)}
.pl-bang{width:100%;border-collapse:collapse;font-size:.95rem}
.pl-bang td{padding:8px 0;border-bottom:1px solid var(--line);vertical-align:top}
.pl-bang td:last-child{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums;padding-left:12px}
.pl-bang tr.pl-tong td{font-weight:700;border-bottom:0}
.pl-danh-gia{margin:.8rem 0 0;font-weight:600}
.pl-khu{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr))}
.pl-khu h4{margin:0 0 4px;font-size:1rem}
.pl-tag{display:inline-block;margin:0 4px 4px 0;padding:1px 8px;border-radius:999px;background:var(--tint);
  color:var(--brand);font-size:.75rem;font-weight:600}
.pl-meo details{border-top:1px solid var(--line);padding:10px 0}
.pl-meo details:first-child{border-top:0}
.pl-meo summary{cursor:pointer;font-weight:600;min-height:32px}
.pl-meo-noi-dung{font-size:.93rem;margin:.5rem 0 0}
.pl-chua-xep li{margin:0 0 6px}