/* Trip Handbook Vietnam — light theme, mobile-first */
:root{--teal:#0f766e;--teal-dark:#0b5e57;--sand:#fffdf8;--ink:#1f2937;
--muted:#5b6470;--line:#e5e0d5;--card:#ffffff;--warn:#fff7e6;--warn-line:#e8c87a;
--radius:12px}
*{box-sizing:border-box}
html{font-size:17px}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
line-height:1.65;color:var(--ink);background:var(--sand)}
img{max-width:100%;height:auto;border-radius:8px}
a{color:var(--teal);overflow-wrap:anywhere}
a:hover{color:var(--teal-dark)}
h1{font-size:1.9rem;line-height:1.25;margin:.4em 0}
h2{font-size:1.45rem;margin:1.6em 0 .5em;border-bottom:2px solid var(--line);padding-bottom:.3em}
h3{font-size:1.15rem;margin:1.2em 0 .4em}
p{margin:.6em 0}
.container{max-width:1080px;margin:0 auto;padding:0 16px}
header.site{background:var(--teal);color:#fff}
header.site .container{display:flex;flex-wrap:wrap;align-items:center;gap:4px 20px;padding:10px 16px}
.brand{color:#fff;font-weight:800;font-size:1.25rem;text-decoration:none;white-space:nowrap}
nav.main{display:flex;flex-wrap:wrap;gap:2px 14px}
nav.main a{color:#d7f0ec;text-decoration:none;font-size:.95rem;padding:4px 2px}
nav.main a:hover,nav.main a.active{color:#fff;text-decoration:underline}
.hero{background:linear-gradient(180deg,#e6f4f1,#fffdf8);padding:28px 0 20px}
.hero p.lede{font-size:1.15rem;color:#334155;max-width:640px}
.search-box{margin:18px 0 6px}
.search-box input{width:100%;max-width:560px;padding:13px 16px;font-size:1.05rem;
border:2px solid var(--teal);border-radius:10px;background:#fff}
.grid{display:grid;grid-template-columns:1fr;gap:16px;margin:18px 0}
@media(min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.grid{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
overflow:hidden;display:flex;flex-direction:column}
.card img{width:100%;height:190px;object-fit:cover;border-radius:0}
.card-body{padding:14px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-body h3{margin:0}
.card-body h3 a{text-decoration:none;color:var(--ink)}
.card-body h3 a:hover{color:var(--teal)}
.card-body p{margin:0;color:var(--muted);font-size:.95rem}
.meta{font-size:.85rem;color:var(--muted)}
.place-card{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--teal);
border-radius:10px;padding:14px 16px;margin:14px 0}
.place-name{margin:0 0 6px;font-size:1.1rem}
.type-badge{display:inline-block;background:#e6f4f1;color:var(--teal-dark);
font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;
padding:2px 8px;border-radius:999px;vertical-align:middle}
.place-meta{display:grid;grid-template-columns:88px minmax(0,1fr);gap:2px 10px;margin:6px 0;font-size:.95rem}
.place-meta dt{font-weight:700;color:var(--muted)}
.place-meta dd{margin:0;min-width:0;overflow-wrap:anywhere}
.tip{background:#f0f9f7;border-radius:8px;padding:8px 10px;font-size:.95rem}
.btn{display:inline-block;background:var(--teal);color:#fff;text-decoration:none;
padding:9px 16px;border-radius:8px;font-weight:600;margin-top:8px}
.btn:hover{background:var(--teal-dark);color:#fff}
.maps-btn{background:#fff;color:var(--teal);border:2px solid var(--teal)}
.maps-btn:hover{background:#e6f4f1;color:var(--teal-dark)}
.table-wrap{overflow-x:auto;margin:12px 0}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.95rem}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:#eef6f4}
.note{background:var(--warn);border:1px solid var(--warn-line);border-radius:10px;
padding:12px 16px;margin:16px 0}
.note strong{color:#7a5b12}
.callout{background:#eef6f4;border:1px solid #bcdcd6;border-radius:10px;padding:14px 16px;margin:16px 0}
.sos{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}
.sos div{background:#b91c1c;color:#fff;border-radius:10px;padding:14px;text-align:center}
.sos div b{display:block;font-size:1.6rem}
.sos div span{font-size:.9rem}
@media(max-width:560px){.sos{grid-template-columns:1fr 1fr}}
figure{margin:16px 0}
figcaption{font-size:.85rem;color:var(--muted);margin-top:6px}
.gallery{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.gallery{grid-template-columns:repeat(3,1fr)}}
.gallery img{height:200px;width:100%;object-fit:cover}
.breadcrumbs{font-size:.9rem;color:var(--muted);margin:14px 0 0}
.breadcrumbs a{color:var(--muted)}
form.simple label{display:block;font-weight:600;margin:12px 0 4px}
form.simple input,form.simple textarea,form.simple select{width:100%;max-width:520px;
padding:11px 12px;font-size:1rem;border:1px solid #cbd5e1;border-radius:8px;background:#fff}
form.simple button{margin-top:14px}
footer.site{border-top:1px solid var(--line);margin-top:40px;padding:22px 0 30px;
font-size:.9rem;color:var(--muted)}
footer.site a{color:var(--muted)}
.unverified{background:#fdf2f2;border:1px solid #f3c2c2;border-radius:10px;padding:14px 16px}
.unverified h2{border:0;margin-top:0}
.converter{display:grid;grid-template-columns:1fr;gap:10px;max-width:640px}
@media(min-width:640px){.converter{grid-template-columns:1fr 1fr}}
.converter .full{grid-column:1/-1}
#conv-result{font-size:1.25rem;font-weight:700;margin-top:10px}
#conv-status{font-size:.9rem;color:var(--muted)}
.toc{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 18px;margin:16px 0}
.toc ul{margin:4px 0}