/* Harbor Real — hệ thống thiết kế dùng chung */
:root{
  --ground:#F2F6FB;--surface:#FFFFFF;--surface-2:#EAEFF7;--line:#DCE4F0;
  --ink:#0A1A30;--muted:#3E4C64;--faint:#5E6E88;
  --navy:#1766AE;--navy-2:#0D477F;--brass:#EF5A28;--brass-soft:#F47B4E;
  --tide:#0F8A5B;--tide-soft:#E5F2EB;--ebb:#CC3B31;--ebb-soft:#FBE7E3;
  --shadow:0 1px 2px rgba(13,36,48,.06),0 12px 34px -18px rgba(13,36,48,.28);--radius:14px;
}
@media (prefers-color-scheme:dark) and (width:0px){:root:not([data-theme="light"]){
  --ground:#081426;--surface:#0E2038;--surface-2:#152A45;--line:#243C57;
  --ink:#EAEFF7;--muted:#A2B4CB;--faint:#71849C;--navy:#4E9BE6;--navy-2:#8FC2F2;
  --brass:#F67C50;--brass-soft:#F8946B;--tide:#33C089;--tide-soft:#0F3029;--ebb:#E96C5D;--ebb-soft:#33191A;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 18px 40px -20px rgba(0,0,0,.6);
}}
:root[data-theme="dark"]{
  --ground:#081426;--surface:#0E2038;--surface-2:#152A45;--line:#243C57;
  --ink:#EAEFF7;--muted:#A2B4CB;--faint:#71849C;--navy:#4E9BE6;--navy-2:#8FC2F2;
  --brass:#F67C50;--brass-soft:#F8946B;--tide:#33C089;--tide-soft:#0F3029;--ebb:#E96C5D;--ebb-soft:#33191A;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 18px 40px -20px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.6;font-weight:500;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:"Newsreader",Georgia,serif;font-weight:600;text-wrap:balance;line-height:1.14;margin:0}
p{margin:0}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px}
.tnum{font-variant-numeric:tabular-nums}

/* Top nav */
.top{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--ground) 90%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:10px 8px;min-height:64px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;font-size:1.05rem}
.brand .mk{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--navy);color:#fff;font-size:18px}
@media (prefers-color-scheme:dark) and (width:0px){:root:not([data-theme="light"]) .brand .mk{color:#081426}}
:root[data-theme="dark"] .brand .mk{color:#081426}
.brand small{display:block;font-weight:400;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin-top:-3px}
.nav{display:flex;gap:2px 4px;margin-left:0;order:10;flex:1 0 100%;flex-wrap:wrap;justify-content:center;overflow:visible;border-top:1px solid var(--line);padding-top:8px;margin-top:2px}
.nav::-webkit-scrollbar{display:none}
.nav a{font-size:.86rem;color:var(--muted);padding:7px 9px;border-radius:8px;white-space:nowrap}
.nav a:hover,.nav a.on{color:var(--ink);background:var(--surface-2)}
.top .sp{flex:1}
.top .login{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:8px 16px;font-size:.9rem;font-weight:500}
.top .login:hover{border-color:var(--brass)}
.top .tg{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;width:38px;height:38px}
@media (max-width:640px){.top .login{display:none}}

/* Hero + sections */
.hero{padding:64px 0 30px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--brass);font-weight:600}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--brass)}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.3rem);margin:16px 0 0;max-width:18ch}
.hero h1 em{font-style:italic;color:var(--navy-2)}
.hero .lede{margin-top:18px;color:var(--muted);font-size:clamp(1.02rem,1.8vw,1.2rem);max-width:60ch}
.waterline{height:2px;margin:34px 0 0;background:linear-gradient(90deg,transparent,var(--brass) 12%,var(--brass) 88%,transparent);opacity:.5}
section{padding:48px 0}
.sh{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.kick{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);font-weight:600}
.sh h2{font-size:clamp(1.6rem,3.2vw,2.4rem);margin-top:10px}
.sh p{margin-top:10px;color:var(--muted);max-width:64ch}
.more{font-size:.9rem;color:var(--brass);font-weight:600;white-space:nowrap}
.more:hover{text-decoration:underline}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border:none;border-radius:999px;padding:13px 26px;font-weight:600;font-size:1rem;cursor:pointer}
.btn-brass{background:var(--brass);color:#fff}.btn-brass:hover{background:var(--brass-soft)}
.btn-navy{background:var(--navy);color:#fff}
@media (prefers-color-scheme:dark) and (width:0px){:root:not([data-theme="light"]) .btn-navy{color:#08151c}}
:root[data-theme="dark"] .btn-navy{color:#08151c}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brass)}

/* Generic cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}

/* CTA band */
.cta{background:var(--navy);border-radius:24px;padding:46px;text-align:center;color:#EAF3F6;margin-top:8px}
@media (prefers-color-scheme:dark) and (width:0px){:root:not([data-theme="light"]) .cta{background:var(--surface);border:1px solid var(--brass)}}
:root[data-theme="dark"] .cta{background:var(--surface);border:1px solid var(--brass)}
.cta h2{color:#fff;font-size:clamp(1.6rem,3.2vw,2.4rem)}
@media (prefers-color-scheme:dark) and (width:0px){:root:not([data-theme="light"]) .cta h2{color:var(--ink)}}
:root[data-theme="dark"] .cta h2{color:var(--ink)}
.cta p{color:#B9D2DB;margin:14px auto 0;max-width:54ch}
@media (prefers-color-scheme:dark) and (width:0px){:root:not([data-theme="light"]) .cta p{color:var(--muted)}}
:root[data-theme="dark"] .cta p{color:var(--muted)}
.cta .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}
.cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
@media (prefers-color-scheme:dark) and (width:0px){:root:not([data-theme="light"]) .cta .btn-ghost{color:var(--ink);border-color:var(--line)}}
:root[data-theme="dark"] .cta .btn-ghost{color:var(--ink);border-color:var(--line)}

/* Footer */
footer{border-top:1px solid var(--line);margin-top:56px;padding:42px 0 28px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
@media (max-width:820px){.fgrid{grid-template-columns:1fr 1fr}}
footer h5{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin:0 0 14px;font-family:"Be Vietnam Pro";font-weight:600}
footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
footer li a{font-size:.9rem;color:var(--muted)}footer li a:hover{color:var(--ink)}
footer .co p{font-size:.9rem;color:var(--muted);margin-top:12px;max-width:34ch}
footer .co .hot{font-family:"Newsreader";font-size:1.5rem;color:var(--navy-2);font-weight:600;margin-top:14px}
.legal{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:.78rem;color:var(--faint);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.demoTag{font-size:.7rem;color:var(--faint);font-weight:500}

/* ===== Bổ sung: trang chức năng (auth · form · listing · property) ===== */
.crumb{font-size:.82rem;color:var(--faint);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.crumb a:hover{color:var(--brass)}
.hero.sm{padding:40px 0 20px}
.hero.sm h1{font-size:clamp(1.8rem,4vw,2.7rem)}

/* Auth */
.authwrap{display:grid;grid-template-columns:1.05fr 1fr;min-height:66vh;margin:26px 0 8px;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.authviz{background:linear-gradient(150deg,var(--navy),var(--brass));color:#EAF3F6;padding:48px;display:flex;flex-direction:column;justify-content:center}
.authviz .eyebrow{color:#fff}.authviz .eyebrow::before{background:#fff}
.authviz h2{color:#fff;font-size:clamp(1.6rem,2.6vw,2rem);margin-top:14px}
.authviz>p{margin-top:12px;color:#DCEEEC;max-width:40ch}
.authviz ul{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:13px}
.authviz li{display:flex;gap:11px;align-items:center;color:#EAF3F6;font-size:.95rem}
.authviz .ck{width:24px;height:24px;border-radius:50%;background:#fff;color:var(--navy-2);display:grid;place-items:center;flex:0 0 24px;font-size:13px;font-weight:700}
.authform{background:var(--surface);padding:46px;display:flex;flex-direction:column;justify-content:center}
.authform h1{font-size:1.7rem;margin-bottom:4px}
.authform .sub{color:var(--muted);margin-bottom:22px;font-size:.94rem}
.aux{display:flex;justify-content:space-between;align-items:center;font-size:.88rem;margin:2px 0 18px}
.aux a{color:var(--navy-2);font-weight:600}
.divider{display:flex;align-items:center;gap:12px;color:var(--faint);font-size:.82rem;margin:18px 0}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}
.social{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.social button{padding:11px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font-weight:600;font-size:.88rem;display:flex;align-items:center;justify-content:center;gap:8px}
.social button:hover{border-color:var(--brass)}
.authfoot{text-align:center;margin-top:20px;font-size:.9rem;color:var(--muted)}
.authfoot a{color:var(--navy-2);font-weight:700}
@media(max-width:820px){.authwrap{grid-template-columns:1fr}.authviz{display:none}}

/* Forms */
.frm .fg{margin-bottom:15px}
.frm label,.fg label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px}
.inp{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;font-size:.95rem}
.inp:focus{outline:none;border-color:var(--brass);box-shadow:0 0 0 3px color-mix(in srgb,var(--brass) 18%,transparent)}
textarea.inp{resize:vertical;min-height:110px}
select.inp{cursor:pointer}
.fgrid2{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.fgrid2 .full{grid-column:1/-1}
@media(max-width:600px){.fgrid2{grid-template-columns:1fr}}
.chk{display:flex;gap:9px;align-items:flex-start;font-size:.88rem;color:var(--muted)}
.chk input{margin-top:3px;width:16px;height:16px;accent-color:var(--navy)}
.formsec{font-family:"Newsreader";font-size:1.15rem;font-weight:600;margin:6px 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.formsec .n{width:26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:.8rem;font-weight:700;font-family:"Be Vietnam Pro"}
.pad{padding:30px}
.upl{border:2px dashed var(--line);border-radius:12px;padding:30px;text-align:center;color:var(--muted);cursor:pointer}
.upl b{color:var(--navy-2)}
.btn-block{width:100%;justify-content:center}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stp{text-align:center}
.stp .sn{width:52px;height:52px;border-radius:50%;background:var(--surface-2);color:var(--navy-2);display:grid;place-items:center;font-family:"Newsreader";font-weight:600;font-size:1.4rem;margin:0 auto 12px;border:1px solid var(--line)}
.stp h4{font-size:1.05rem;margin-bottom:5px}.stp p{font-size:.88rem;color:var(--muted)}
@media(max-width:720px){.steps{grid-template-columns:1fr 1fr}}

/* Feature grid */
.fgr{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:820px){.fgr{grid-template-columns:1fr}}
.fc{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow);transition:transform .16s}
.fc:hover{transform:translateY(-3px)}
.fc .ic{width:48px;height:48px;border-radius:12px;background:var(--surface-2);color:var(--navy-2);display:grid;place-items:center;font-size:1.4rem;margin-bottom:12px}
.fc h3{font-size:1.15rem;margin-bottom:6px}.fc p{font-size:.9rem;color:var(--muted)}
.fc .lnk{color:var(--brass);font-weight:600;font-size:.86rem;margin-top:10px;display:inline-block}

/* Listing */
.lay{display:grid;grid-template-columns:270px 1fr;gap:26px;align-items:start}
.filt{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);position:sticky;top:84px}
.filt h3{font-size:1.05rem;margin-bottom:16px}
.filt .fg{margin-bottom:16px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chips button{padding:7px 12px;border:1px solid var(--line);background:var(--surface);border-radius:999px;font-size:.82rem;font-weight:600;color:var(--muted)}
.chips button:hover,.chips button.on{border-color:var(--navy);background:var(--navy);color:#fff}
:root[data-theme="dark"] .chips button.on{color:#081426}
.lhead{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.lhead .cnt{color:var(--muted);font-size:.92rem}.lhead .cnt b{color:var(--ink)}
.lhead select{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;padding:9px 12px;font:inherit;font-size:.88rem}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:20px}
@media(max-width:900px){.lay{grid-template-columns:1fr}.filt{position:static}}

/* Property card */
.pc{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .18s}
.pc:hover{transform:translateY(-4px)}
.pc .im{height:180px;position:relative}
.pc .tg{position:absolute;top:12px;left:12px;background:var(--brass);color:#fff;font-size:.74rem;font-weight:700;padding:4px 10px;border-radius:6px}
.pc .tg.rent{background:var(--navy)}
:root[data-theme="dark"] .pc .tg.rent{color:#081426}
.pc .bd{padding:18px}
.pc .pr{font-family:"Newsreader";font-weight:600;font-size:1.3rem;color:var(--navy-2)}
.pc .pr small{font-size:.8rem;color:var(--muted);font-weight:400}
.pc h3{font-size:1.05rem;margin:6px 0 4px}
.pc .lc{color:var(--muted);font-size:.86rem;margin-bottom:12px}
.pc .mt{display:flex;gap:14px;padding-top:12px;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem;font-weight:600}
.pg{display:flex;gap:8px;justify-content:center;margin-top:30px}
.pg a{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:9px;font-weight:600;color:var(--ink)}
.pg a:hover,.pg a.on{background:var(--navy);color:#fff;border-color:var(--navy)}
:root[data-theme="dark"] .pg a.on{color:#081426}

/* Project card */
.jgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:820px){.jgrid{grid-template-columns:1fr}}
.jc{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .18s}
.jc:hover{transform:translateY(-4px)}
.jc .im{height:170px;position:relative}
.jc .st{position:absolute;top:12px;left:12px;background:var(--surface);color:var(--navy-2);font-size:.74rem;font-weight:700;padding:4px 10px;border-radius:6px}
.jc .st.hot{background:var(--brass);color:#fff}
.jc .bd{padding:20px}.jc h3{font-size:1.15rem;margin-bottom:5px}
.jc .lc{color:var(--muted);font-size:.86rem;margin-bottom:12px}
.jc .tags{display:flex;gap:6px;flex-wrap:wrap}
.jc .tags span{font-size:.76rem;font-weight:600;color:var(--tide);background:var(--tide-soft);padding:4px 9px;border-radius:999px}

/* Map placeholder */
.mapx{height:300px;border-radius:16px;background:linear-gradient(135deg,var(--surface-2),var(--tide-soft));display:grid;place-items:center;color:var(--navy-2);font-weight:600;border:1px solid var(--line);margin-top:20px}

/* Language switcher */
.langsel{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:7px 9px;font:inherit;font-size:.82rem;font-weight:600;cursor:pointer;margin-right:4px}
.langsel:hover{border-color:var(--brass)}

/* ===== Chatbot (Trợ lý Harbor) ===== */
#hb-root{position:fixed;right:20px;bottom:20px;z-index:200;font-family:"Be Vietnam Pro",sans-serif}
#hb-toggle{width:60px;height:60px;border-radius:50%;border:none;background:linear-gradient(145deg,var(--navy),var(--brass));color:#fff;cursor:pointer;box-shadow:0 10px 26px -8px rgba(13,36,48,.5);display:grid;place-items:center;position:relative;transition:transform .15s}
#hb-toggle:hover{transform:scale(1.06)}
#hb-toggle.hb-hide{display:none}
#hb-toggle .hb-dot{position:absolute;top:10px;right:12px;width:11px;height:11px;background:#39d98a;border:2px solid #fff;border-radius:50%}
#hb-panel{position:absolute;right:0;bottom:0;width:370px;max-width:calc(100vw - 32px);height:540px;max-height:calc(100vh - 100px);background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px -20px rgba(13,36,48,.55);display:none;flex-direction:column;overflow:hidden}
#hb-root.hb-open #hb-panel{display:flex}
.hb-head{display:flex;align-items:center;gap:11px;padding:14px 16px;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff}
.hb-head .hb-ava{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.15);display:grid;place-items:center;font-size:1.2rem;color:var(--gold-2,#E0C074)}
.hb-head b{display:block;font-size:.98rem}
.hb-head span{font-size:.76rem;color:#bfe0dc}
.hb-head #hb-close{margin-left:auto;background:none;border:none;color:#cfe3e0;font-size:1.1rem;cursor:pointer;padding:4px 8px}
.hb-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:var(--ground)}
.hb-msg{display:flex;gap:8px;align-items:flex-end;max-width:100%}
.hb-msg.me{justify-content:flex-end}
.hb-ava.sm{width:28px;height:28px;flex:0 0 28px;border-radius:50%;background:var(--navy);color:var(--gold-2,#E0C074);display:grid;place-items:center;font-size:.9rem}
.hb-bub{background:var(--surface);border:1px solid var(--line);border-radius:14px;border-bottom-left-radius:4px;padding:10px 13px;font-size:.9rem;line-height:1.5;color:var(--ink);max-width:255px}
.hb-bub.me{background:var(--navy);color:#fff;border:none;border-radius:14px;border-bottom-right-radius:4px;max-width:255px}
:root[data-theme="dark"] .hb-bub.me{color:#081426}
.hb-bub a{color:var(--brass);font-weight:600}
.hb-acts{display:flex;gap:8px;flex-wrap:wrap;margin-top:9px}
.hb-acts button{border:1px solid var(--navy);background:var(--surface);color:var(--navy-2);border-radius:999px;padding:6px 12px;font:inherit;font-size:.8rem;font-weight:600;cursor:pointer}
.hb-acts button:hover{background:var(--navy);color:#fff}
:root[data-theme="dark"] .hb-acts button:hover{color:#081426}
.hb-lead{display:flex;flex-direction:column;gap:8px;margin-top:9px}
.hb-lead input{border:1px solid var(--line);background:var(--ground);color:var(--ink);border-radius:9px;padding:9px 11px;font:inherit;font-size:.86rem}
.hb-lead button{background:var(--brass);color:#fff;border:none;border-radius:9px;padding:9px;font:inherit;font-weight:600;cursor:pointer}
.hb-quick{display:flex;gap:7px;overflow-x:auto;padding:10px 14px 4px;background:var(--surface);border-top:1px solid var(--line)}
.hb-quick button{white-space:nowrap;border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:7px 12px;font:inherit;font-size:.78rem;font-weight:600;cursor:pointer;flex:0 0 auto}
.hb-quick button:hover{border-color:var(--brass);color:var(--brass)}
.hb-input{display:flex;gap:8px;padding:10px 14px;background:var(--surface)}
.hb-input input{flex:1;border:1px solid var(--line);background:var(--ground);color:var(--ink);border-radius:999px;padding:10px 15px;font:inherit;font-size:.9rem;outline:none}
.hb-input input:focus{border-color:var(--brass)}
.hb-input button{width:40px;height:40px;border-radius:50%;border:none;background:var(--navy);color:#fff;cursor:pointer;font-size:1rem}
:root[data-theme="dark"] .hb-input button{color:#081426}
.hb-foot{font-size:.68rem;color:var(--faint);text-align:center;padding:0 14px 10px;background:var(--surface)}
@media(max-width:460px){#hb-panel{height:calc(100vh - 90px)}}

.brand .mk{display:none}
.brand-logo{height:44px;width:auto;display:block}
.brand-logo-dark{display:none}
:root[data-theme="dark"] .brand-logo-light{display:none}
:root[data-theme="dark"] .brand-logo-dark{display:block}