:root {
  --navy: #1f2d5a;
  --navy-dark: #141f42;
  --sky: #2a8fc7;
  --orange: #ff7a3d;
  --red: #c4001d;
  --red-dark: #8f0015;
  --ink: #1a2238;
  --muted: #4a5470;
  --bg: #ffffff;
  --soft: #f2f5fb;
  --line: #d5dcec;
  --pale-blue: #e6eefb;
  --note-bg: #fff3eb;
  --note-ink: #8a3b00;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 18px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  border-top: 6px solid var(--navy);
}
.top {
  position: sticky; top: 0; z-index: 10;
  padding: 10px 12px; background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.brand {
  max-width: 640px; margin: 0 auto; padding: 8px 12px 6px; text-align: center; line-height: 1.25;
}
.brand-name { display: block; font-size: 20px; font-weight: 800; color: var(--navy); }
.brand-sub { display: block; font-size: 16px; color: var(--muted); }
.alert-wrap { max-width: 640px; margin: 0 auto; padding: 4px 12px 10px; }
.alert-line {
  margin: 0; padding: 8px 12px; background: var(--soft); border-left: 8px solid var(--red);
  border-radius: 8px; font-size: 19px; font-weight: 800; line-height: 1.4; color: var(--navy);
}
.btn-115 {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 100%; max-width: 640px; margin: 0 auto; min-height: 84px; padding: 8px 12px;
  text-align: center; line-height: 1.15;
  background: var(--red); color: #fff; text-decoration: none; border-radius: 14px;
}
.btn-115 .big { font-size: 34px; font-weight: 800; }
.btn-115 .sub { font-size: 17px; font-weight: 600; }
.btn-115:active { background: var(--red-dark); }
main, footer { max-width: 640px; margin: 0 auto; padding: 0 12px; }
main { padding-top: 14px; }
.warning {
  background: var(--soft); border: 0; border-left: 8px solid var(--red);
  border-radius: 8px; padding: 4px 14px;
}
.warning p { margin: 10px 0; }
.warning strong { color: var(--navy); }
.warning strong { color: var(--ink); }
.notes { margin: 10px 0 4px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.notes h2 { margin: 0; padding: 12px 14px 0; font-size: 19px; color: var(--navy); }
.notes-sub { font-size: 16px; font-weight: 600; color: var(--muted); }
.red115 { color: var(--red); font-weight: 800; }
.notes ul { margin: 0; padding: 0 14px 10px 32px; font-size: 16px; color: var(--ink); }
.notes li { margin: 8px 0; }
.province-note {
  margin: 10px 0 4px; padding: 10px 12px; background: var(--note-bg); color: var(--note-ink);
  border-left: 6px solid var(--orange); border-radius: 6px; font-size: 17px; font-weight: 700;
}
.results-title { margin: 14px 0 10px; font-size: 20px; line-height: 1.35; color: var(--navy); }
.big5 { font-size: 40px; font-weight: 800; color: var(--red); line-height: 1; vertical-align: -3px; }
.more-btn {
  display: block; width: 100%; min-height: 56px; margin: 4px 0 16px; padding: 8px 12px;
  background: #fff; color: var(--navy); font: inherit; font-size: 18px; font-weight: 800;
  border: 2px solid var(--navy); border-radius: 10px; cursor: pointer;
  box-shadow: 0 4px 0 rgba(31, 45, 90, 0.35), 0 6px 12px rgba(31, 45, 90, 0.25);
}
.more-btn:active { transform: translateY(3px); box-shadow: 0 1px 0 rgba(0, 0, 0, 0.3); }
.modal {
  position: fixed; inset: 0; z-index: 100; display: flex; align-items: flex-end; justify-content: center;
  background: rgba(20, 31, 66, 0.55); padding: 12px; overflow-y: auto;
}
.modal[hidden] { display: none; }
.modal-card {
  width: 100%; max-width: 440px; margin: auto; padding: 16px; background: #fff; border-radius: 16px;
  border-top: 6px solid var(--navy); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
.modal[data-os="android"] .os-ios { display: none; }
.modal:not([data-os="android"]) .os-android { display: none; }
.modal[data-os="android"] .dots-h { display: none; }
.modal:not([data-os="android"]) .dots-v { display: none; }
.beta-tag {
  display: inline-block; margin-top: 4px; padding: 2px 12px; border-radius: 999px;
  background: var(--orange); color: #3b1700; font-size: 16px; font-weight: 800; letter-spacing: 0.5px;
}
.beta-note {
  margin: 0 0 14px; padding: 10px 12px; background: var(--note-bg); color: var(--note-ink);
  border-left: 6px solid var(--orange); border-radius: 6px; font-size: 16px;
}
.modal-card h2 { margin: 0 0 8px; font-size: 21px; line-height: 1.3; color: var(--navy); }
.modal-card p { margin: 6px 0; }
.modal-steps { margin: 6px 0 8px; padding-left: 22px; font-size: 18px; }
.modal-steps li { margin: 4px 0; }
.modal-fig { display: block; width: 100%; height: auto; margin: 6px 0 12px; }
.modal-card .act { width: 100%; text-decoration: none; }
.modal-card .link-btn { display: block; margin: 6px auto 0; }
body.modal-open { overflow: hidden; }
.gps-hint { margin: 2px 0 8px; font-size: 17px; color: var(--ink); }
button.act { font: inherit; cursor: pointer; }
button.act.small-act { font-size: 16px; font-weight: 600; }
.feedback, .share, .more-pages { margin-bottom: 12px; }
.page-links { list-style: none; margin: 10px 0 0; padding: 0; }
.page-links li + li { margin-top: 8px; }
.book-btn { margin-top: 12px; }
.page-links a {
  position: relative; display: block; min-height: 56px; padding: 10px 44px 10px 12px; text-decoration: none;
  background: #fff; border: 2px solid var(--navy); border-radius: 10px; color: var(--navy);
  box-shadow: 0 3px 0 rgba(31, 45, 90, 0.35), 0 5px 10px rgba(31, 45, 90, 0.2);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}
.page-links a::after {
  content: "›"; position: absolute; right: 14px; top: 50%; transform: translateY(-55%);
  font-size: 34px; font-weight: 700; line-height: 1; color: var(--navy);
}
.page-links a:active { transform: translateY(3px); box-shadow: 0 1px 0 rgba(0, 0, 0, 0.3); }
.page-links .go { display: block; margin-top: 2px; font-style: normal; font-size: 16px; font-weight: 800; color: var(--navy); text-decoration: underline; }
@media (prefers-reduced-motion: reduce) { .page-links a { transition: none; } }
.page-links b { display: block; font-size: 17px; }
.page-links span { display: block; font-size: 16px; color: var(--muted); font-weight: 500; }
.share-btn .act-main { white-space: normal; }
.share-btn { width: 100%; margin-top: 8px; font: inherit; cursor: pointer; border: 2px solid var(--navy); }
.share-msg {
  margin: 10px 0 0; padding: 10px 12px; background: var(--note-bg); color: var(--note-ink);
  border-left: 6px solid var(--orange); border-radius: 6px; font-weight: 700; overflow-wrap: anywhere;
}
#address {
  width: 100%; min-height: 52px; padding: 8px 12px; font: inherit; font-size: 18px;
  border: 2px solid var(--navy); border-radius: 10px; background: #fff; color: var(--ink);
}
.suggest { list-style: none; margin: 4px 0 0; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: #fff; overflow: hidden; }
.suggest li + li { border-top: 1px solid var(--line); }
.suggest-item {
  display: block; width: 100%; min-height: 52px; padding: 10px 12px; text-align: left;
  background: #fff; border: 0; font: inherit; font-size: 17px; color: var(--ink); cursor: pointer;
}
.suggest-item:active, .suggest-item:hover { background: var(--pale-blue); }
.address-msg {
  margin: 8px 0; padding: 10px 12px; background: var(--note-bg); color: var(--note-ink);
  border-left: 6px solid var(--orange); border-radius: 6px; font-weight: 700;
}
.src-link { color: var(--navy); font-weight: 600; text-decoration: underline; overflow-wrap: anywhere; }
mark {
  background: #ffe3a3; color: var(--ink); font-weight: 800;
  padding: 0 4px; border-radius: 4px;
}
.small { font-size: 16px; color: var(--muted); margin: 8px 0; }
.time-msg { margin-bottom: 14px; }
.dist-note { margin: 4px 0 12px; }
.inapp {
  background: var(--note-bg); color: var(--note-ink); border: 1px solid #e8b48c;
  border-radius: 8px; padding: 10px 12px; font-size: 16px;
}
.origin { margin: 14px 0 8px; padding-top: 12px; border-top: 1px solid var(--line); }
.origin-status { margin: 6px 0; font-weight: 700; color: var(--navy); }
label { display: block; font-weight: 700; margin-bottom: 6px; color: var(--navy); }
select {
  width: 100%; min-height: 52px; font-size: 18px; padding: 8px;
  border: 2px solid var(--navy); border-radius: 10px; background: #fff; color: var(--ink);
}
.link-btn {
  min-height: 48px; padding: 8px 4px; background: none; border: 0;
  color: var(--navy); font-size: 16px; text-decoration: underline; cursor: pointer;
}
.results { list-style: none; margin: 0; padding: 0; }
.card {
  background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--navy);
  border-radius: 12px; padding: 14px; margin-bottom: 14px;
  box-shadow: 0 1px 3px rgba(31, 45, 90, 0.08);
}
.card h2 { margin: 0 0 4px; font-size: 20px; line-height: 1.3; color: var(--navy); }
.dist { color: var(--navy); font-weight: 800; margin: 0 0 4px; }
.dist .dist-note { color: var(--muted); font-size: 16px; font-weight: 600; }
.addr { margin: 0 0 8px; color: var(--muted); font-size: 16px; }
.badge-row { display: flex; align-items: flex-start; gap: 6px; margin: 8px 0; }
.badge {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: var(--pale-blue); color: var(--navy); font-weight: 700; font-size: 16px; line-height: 1.3;
}
.badge.strong { background: var(--navy); color: #fff; }
.info-btn {
  flex: none; min-width: 48px; min-height: 48px; margin: -8px -4px -8px 0;
  background: none; border: 0; font-size: 22px; color: var(--sky); cursor: pointer;
}
.info-text {
  margin: 0 0 8px; padding: 8px 10px; background: var(--soft); border-radius: 8px; font-size: 16px;
}
.note {
  margin: 8px 0; padding: 8px 10px; background: var(--note-bg); color: var(--note-ink);
  border-left: 4px solid var(--orange); border-radius: 6px; font-size: 16px; font-weight: 600;
}
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.act {
  flex: 1 1 140px; min-height: 52px; display: flex; align-items: center; justify-content: center;
  padding: 8px 12px; text-align: center; text-decoration: none; font-weight: 700; font-size: 17px;
  border-radius: 10px; border: 2px solid var(--navy); color: var(--navy); background: #fff;
}
/* Hiệu ứng nổi: bóng đổ + viền sáng phía trên; khi bấm thì nút lún xuống */
.act, .btn-115 { transition: transform 0.08s ease, box-shadow 0.08s ease; }
.act {
  box-shadow: 0 4px 0 rgba(31, 45, 90, 0.35), 0 6px 12px rgba(31, 45, 90, 0.25);
  margin-bottom: 4px;
}
.act.call { box-shadow: 0 4px 0 var(--navy-dark), 0 6px 12px rgba(31, 45, 90, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25); }
.btn-115 {
  box-shadow: 0 5px 0 var(--red-dark), 0 8px 16px rgba(143, 0, 21, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  margin-bottom: 5px;
}
.act:active, .btn-115:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.25);
}
@media (prefers-reduced-motion: reduce) { .act, .btn-115 { transition: none; } }
.act { flex-direction: column; line-height: 1.2; padding: 8px 6px; }
.act-main { font-size: 17px; font-weight: 800; white-space: nowrap; }
.act-sub { font-size: 16px; font-weight: 500; }
.act.call { background: var(--navy); color: #fff; }
.act.call:active { background: var(--navy-dark); }
.act.small-act { flex: 1 1 100%; min-height: 48px; font-size: 16px; font-weight: 600; }
footer {
  margin-top: 8px; padding-top: 14px; padding-bottom: 40px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 16px;
}
.contact { margin-bottom: 16px; padding: 14px; background: var(--soft); border-radius: 12px; }
.contact h2 { margin: 0 0 4px; font-size: 20px; color: var(--navy); }
.contact .act { margin-top: 8px; text-decoration: none; }
.contact-links { list-style: none; margin: 8px 0 0; padding: 0; }
.contact-links a {
  display: flex; align-items: center; min-height: 48px; color: var(--navy);
  font-weight: 600; text-decoration: underline;
}
a:focus-visible, button:focus-visible, select:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }