:root{
  --ink:#11222c; --ink-soft:#41555f; --line:#e6dede; --paper:#fff; --bg:#f5eeee;
  --sea:#b3121b; --sea-deep:#7f0c13; --sea-wash:#fbeaea; --coral:#c8161d;
  --gold:#c79a2e;
  --amber:#b45309; --amber-bg:#fdf0dc; --blue:#1d63c4; --blue-bg:#e4ecfb;
  --green:#15803d; --green-bg:#dcf3e4; --red:#b91c1c; --red-bg:#fde8e8;
  --shadow:0 1px 2px rgba(40,16,16,.06),0 8px 24px rgba(40,16,16,.07); --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
a{color:var(--sea);text-decoration:none}
.hidden{display:none!important}

/* Header */
header.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top-in{max-width:1120px;margin:0 auto;padding:11px 20px;display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.seal{width:42px;height:42px;border-radius:11px;flex:none;background:linear-gradient(135deg,var(--sea),var(--sea-deep));display:grid;place-items:center;color:#fff}
.seal svg{width:24px;height:24px}
.brand h1{font-size:16px;font-weight:700;margin:0;letter-spacing:-.2px;line-height:1.15}
.brand p{font-size:11.5px;margin:0;color:var(--ink-soft);font-weight:500}
.nav{display:flex;gap:4px;margin-left:18px}
.nav button{border:none;background:none;padding:8px 14px;border-radius:9px;font-weight:600;font-size:14px;color:var(--ink-soft)}
.nav button[data-on="1"]{background:var(--sea-wash);color:var(--sea-deep)}
.nav button:hover{color:var(--sea-deep)}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
@media(max-width:760px){.nav{display:none}.brand p{display:none}}

/* Notification bell */
.bell{position:relative;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--paper);display:grid;place-items:center;color:var(--ink-soft)}
.bell:hover{border-color:var(--sea);color:var(--sea)}
.bell svg{width:19px;height:19px}
.bell .dot{position:absolute;top:-5px;right:-5px;min-width:18px;height:18px;border-radius:9px;background:var(--coral);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;padding:0 4px;border:2px solid var(--paper)}
.notif-panel{position:absolute;top:52px;right:0;width:330px;max-width:88vw;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 44px rgba(16,40,52,.18);z-index:50;overflow:hidden}
.notif-panel h4{margin:0;padding:14px 16px;font-size:14px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.notif-panel h4 button{border:none;background:none;color:var(--sea);font-size:12.5px;font-weight:600}
.notif-list{max-height:340px;overflow-y:auto}
.notif-item{padding:12px 16px;border-bottom:1px solid var(--line);font-size:13.5px;cursor:pointer;display:flex;gap:10px}
.notif-item:hover{background:var(--bg)}
.notif-item .nd{width:8px;height:8px;border-radius:50%;background:var(--coral);margin-top:5px;flex:none}
.notif-item.read .nd{background:transparent}
.notif-item .nt{font-size:11.5px;color:var(--ink-soft);margin-top:3px}
.notif-empty{padding:30px 16px;text-align:center;color:var(--ink-soft);font-size:13.5px}

/* User chip */
.user-chip{display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:5px 12px 5px 6px;font-weight:600;font-size:13.5px}
.user-chip img,.avatar{width:30px;height:30px;border-radius:50%;object-fit:cover;background:var(--sea);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}
.user-chip .role{font-size:10.5px;background:var(--sea-wash);color:var(--sea-deep);padding:1px 7px;border-radius:999px;font-weight:700}

/* Buttons */
.btn{border:none;border-radius:11px;padding:11px 18px;font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:8px;transition:.15s;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn:active{transform:translateY(1px)}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(226,72,61,.32)}
.btn-coral:hover{background:#cf3f35}
.btn-sea{background:var(--sea);color:#fff}.btn-sea:hover{background:var(--sea-deep)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.28)}.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-line{background:var(--paper);color:var(--sea-deep);border:1px solid var(--line)}.btn-line:hover{border-color:var(--sea);color:var(--sea)}
.btn-sm{padding:8px 14px;font-size:13.5px}

/* Hero */
.hero{background:radial-gradient(120% 90% at 85% -10%,rgba(199,154,46,.16),transparent 55%),linear-gradient(160deg,#a8121a,#6d0c12);color:#fff;position:relative;overflow:hidden}
.hero-in{max-width:1120px;margin:0 auto;padding:44px 20px 106px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:#e9c46a}
.hero h2{font-size:clamp(25px,5vw,40px);font-weight:800;line-height:1.08;margin:12px 0 14px;letter-spacing:-.8px;max-width:15ch}
.hero p.lead{font-size:clamp(15px,2.4vw,17px);color:#f3dada;max-width:52ch;margin:0 0 24px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.motto{margin-top:24px;font-size:13px;color:#e8b9bb;font-style:italic;font-weight:300}
.wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;display:block}

/* Stats cards */
.stats-wrap{max-width:1120px;margin:-64px auto 0;padding:0 20px;position:relative;z-index:5}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:17px 18px 15px;box-shadow:var(--shadow)}
.stat .n{font-size:29px;font-weight:800;letter-spacing:-1px;line-height:1}
.stat .l{font-size:12.5px;color:var(--ink-soft);font-weight:500;margin-top:6px}
.stat .bar{height:4px;border-radius:4px;margin-top:11px;background:var(--line);overflow:hidden}
.stat .bar i{display:block;height:100%;border-radius:4px}
@media(max-width:680px){.stats{grid-template-columns:repeat(2,1fr)}}

main{max-width:1120px;margin:0 auto;padding:32px 20px 70px}
.view{display:none}.view.active{display:block}

/* Toolbar + chips */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:8px}
.toolbar h3{font-size:20px;font-weight:700;margin:0;letter-spacing:-.3px}
.toolbar .count{font-size:13px;color:var(--ink-soft);font-weight:500}
.search{flex:1;min-width:200px;position:relative}
.search input{width:100%;padding:11px 14px 11px 40px;border:1px solid var(--line);border-radius:11px;background:var(--paper);outline:none}
.search input:focus{border-color:var(--sea);box-shadow:0 0 0 3px var(--sea-wash)}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--ink-soft)}
.chips{display:flex;gap:8px;overflow-x:auto;padding:14px 0 16px}
.chips::-webkit-scrollbar{display:none}
.chip{border:1px solid var(--line);background:var(--paper);color:var(--ink-soft);padding:7px 14px;border-radius:999px;font-size:13.5px;font-weight:500;white-space:nowrap}
.chip[data-on="1"]{background:var(--sea-deep);color:#fff;border-color:var(--sea-deep)}
.chip:hover{border-color:var(--sea)}

/* Feed */
.feed{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:720px){.feed{grid-template-columns:1fr}}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);cursor:pointer;transition:.16s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:0 4px 10px rgba(16,40,52,.08),0 16px 34px rgba(16,40,52,.10)}
.card .thumb{height:146px;background:var(--sea-wash) center/cover no-repeat;position:relative}
.card .thumb.empty{display:grid;place-items:center;color:#a9c4cc}
.card .thumb.empty svg{width:40px;height:40px;opacity:.55}
.card .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:9px;flex:1}
.badges{display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.badge{font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:999px;white-space:nowrap}
.cat{background:var(--sea-wash);color:var(--sea-deep)}
.st{display:inline-flex;align-items:center;gap:5px}
.st::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.st.tiep-nhan{background:var(--amber-bg);color:var(--amber)}
.st.dang-xu-ly{background:var(--blue-bg);color:var(--blue)}
.st.da-xu-ly{background:var(--green-bg);color:var(--green)}
.st.tu-choi{background:var(--red-bg);color:var(--red)}
.card h4{font-size:15.5px;font-weight:600;margin:0;line-height:1.4;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta{margin-top:auto;display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-soft);font-weight:500}
.meta svg{width:14px;height:14px;flex:none}
.meta .dot{width:3px;height:3px;border-radius:50%;background:#c2cfd5}
.loc{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.empty-state{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--ink-soft)}
.empty-state svg{width:48px;height:48px;opacity:.4;margin-bottom:10px}

/* Map */
#map{height:560px;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.leaflet-popup-content{font-family:'Be Vietnam Pro',sans-serif}
.map-pop h5{margin:0 0 4px;font-size:14px}
.map-pop .badge{font-size:10.5px}
.map-pop p{margin:6px 0 0;font-size:12.5px;color:var(--ink-soft);max-width:200px}
.map-pop a{font-size:12.5px;font-weight:600;display:inline-block;margin-top:6px}

/* Stats view */
.charts{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:10px}
@media(max-width:760px){.charts{grid-template-columns:1fr}}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.panel h4{margin:0 0 14px;font-size:15px;font-weight:700}
.panel.full{grid-column:1/-1}
.ward-row{display:flex;align-items:center;gap:12px;margin-bottom:11px;font-size:13.5px}
.ward-row .nm{width:130px;font-weight:600;flex:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ward-row .track{flex:1;height:9px;background:var(--bg);border-radius:9px;overflow:hidden;display:flex}
.ward-row .track i{height:100%}
.ward-row .track .done{background:var(--green)}
.ward-row .track .rest{background:var(--amber)}
.ward-row .num{width:42px;text-align:right;font-weight:700;color:var(--ink-soft);font-size:13px}

/* Overlay + modal (shared) */
.overlay{position:fixed;inset:0;background:rgba(11,30,40,.55);backdrop-filter:blur(2px);z-index:60;display:none;align-items:flex-start;justify-content:center;padding:22px;overflow-y:auto}
.overlay.show{display:flex}
.modal{background:var(--paper);border-radius:18px;max-width:600px;width:100%;margin:auto;box-shadow:0 24px 60px rgba(0,0,0,.3);animation:pop .2s ease}
.modal.narrow{max-width:430px}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;padding:20px 22px 14px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);border-radius:18px 18px 0 0;z-index:2}
.modal-head h3{margin:0;font-size:18px;font-weight:700;letter-spacing:-.3px}
.modal-head p{margin:3px 0 0;font-size:13px;color:var(--ink-soft)}
.x{border:none;background:var(--bg);width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex:none;color:var(--ink-soft)}
.x:hover{background:#e2e8ec;color:var(--ink)}
.modal-body{padding:20px 22px 24px}

/* Forms */
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
.field label .req{color:var(--coral)}
.field .hint{font-weight:400;color:var(--ink-soft);font-size:12px}
.ctrl{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:var(--paper);outline:none;transition:.13s}
.ctrl:focus{border-color:var(--sea);box-shadow:0 0 0 3px var(--sea-wash)}
textarea.ctrl{resize:vertical;min-height:104px;line-height:1.5}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:13px}
@media(max-width:480px){.row2{grid-template-columns:1fr}}
.drop{border:1.5px dashed var(--line);border-radius:11px;padding:16px;text-align:center;color:var(--ink-soft);cursor:pointer}
.drop:hover{border-color:var(--sea);background:var(--sea-wash)}
.drop svg{width:26px;height:26px;margin-bottom:4px;opacity:.7}
.drop b{color:var(--sea-deep)}
.previews{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.previews .pv{position:relative;width:74px;height:74px;border-radius:9px;background:center/cover;border:1px solid var(--line)}
.previews .pv button{position:absolute;top:-7px;right:-7px;width:22px;height:22px;border-radius:50%;background:var(--ink);color:#fff;border:2px solid #fff;display:grid;place-items:center;font-size:12px;line-height:1}
.form-foot{display:flex;gap:10px;align-items:center;margin-top:6px}
.form-foot .note{font-size:12px;color:var(--ink-soft)}
.anon{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-soft);margin-bottom:16px;cursor:pointer;user-select:none}
.anon input{width:17px;height:17px;accent-color:var(--sea)}
#pickmap{height:200px;border-radius:11px;border:1px solid var(--line);margin-top:8px;z-index:1}
.pick-hint{font-size:12px;color:var(--ink-soft);margin-top:6px}
.errbox{background:var(--red-bg);color:var(--red);border-radius:10px;padding:10px 13px;font-size:13px;margin-bottom:14px;font-weight:500}

/* Auth modal */
.oauth-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--line);background:var(--paper);border-radius:11px;padding:11px;font-weight:600;font-size:14.5px;margin-bottom:10px;color:var(--ink)}
.oauth-btn:hover{background:var(--bg)}
.oauth-btn img{width:19px;height:19px}
.divider{display:flex;align-items:center;gap:12px;color:var(--ink-soft);font-size:12.5px;margin:16px 0}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}
.auth-switch{text-align:center;font-size:13.5px;color:var(--ink-soft);margin-top:14px}
.auth-switch a{font-weight:600;cursor:pointer}
.skip-anon{text-align:center;margin-top:8px}
.skip-anon a{font-size:13px;color:var(--ink-soft);cursor:pointer;font-weight:500}

/* Detail */
.d-hero{height:200px;background:var(--sea-wash) center/cover;border-radius:14px;margin-bottom:18px;display:grid;place-items:center;color:#a9c4cc}
.d-hero svg{width:46px;height:46px;opacity:.5}
.d-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px}
.d-content{font-size:15.5px;line-height:1.7;white-space:pre-wrap;margin:0 0 8px;color:#1c2e37}
.d-info{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13px;color:var(--ink-soft);margin:14px 0 4px;padding:13px 15px;background:var(--bg);border-radius:11px}
.d-info .it{display:flex;align-items:center;gap:6px}
.d-info svg{width:15px;height:15px}
.d-info code{font-family:ui-monospace,monospace;font-weight:700;color:var(--sea-deep)}

/* Timeline */
.tl-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--ink-soft);margin:26px 0 16px}
.stepper{display:flex;align-items:flex-start;margin-bottom:8px}
.step{flex:1;text-align:center;position:relative}
.step .ring{width:30px;height:30px;border-radius:50%;margin:0 auto;display:grid;place-items:center;background:var(--paper);border:2px solid var(--line);color:#b6c4ca;position:relative;z-index:2}
.step .ring svg{width:15px;height:15px}
.step.done .ring{background:var(--green);border-color:var(--green);color:#fff}
.step.active .ring{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 0 0 4px var(--blue-bg)}
.step.active.amber .ring{background:var(--amber);border-color:var(--amber);box-shadow:0 0 0 4px var(--amber-bg)}
.step::after{content:"";position:absolute;top:14px;left:-50%;width:100%;height:2px;background:var(--line);z-index:1}
.step:first-child::after{display:none}
.step.done::after,.step.active::after{background:var(--green)}
.step .lbl{font-size:12px;font-weight:600;margin-top:8px;color:var(--ink)}
.step.todo .lbl{color:#9fb0b8}
.response{border-left:3px solid var(--sea);background:var(--sea-wash);border-radius:0 11px 11px 0;padding:14px 16px;margin-top:14px}
.response .who{font-size:12.5px;font-weight:700;color:var(--sea-deep);display:flex;align-items:center;gap:7px;margin-bottom:6px}
.response .who svg{width:15px;height:15px}
.response .who .when{margin-left:auto;font-weight:500;color:var(--ink-soft);font-size:11.5px}
.response p{margin:0;font-size:14px;line-height:1.6;color:#22343d}
.admin{margin-top:22px;border:1px dashed var(--line);border-radius:12px;padding:14px 16px;background:#fbfcfd}
.admin .ah{font-size:12px;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.5px;display:flex;align-items:center;gap:7px;margin-bottom:11px}
.admin .ah svg{width:14px;height:14px}
.admin .arow{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.admin select.ctrl{max-width:180px}.admin textarea.ctrl{min-height:64px}

/* Success */
.success{text-align:center;padding:14px 4px}
.success .ok{width:64px;height:64px;border-radius:50%;background:var(--green-bg);color:var(--green);display:grid;place-items:center;margin:0 auto 16px}
.success .ok svg{width:34px;height:34px}
.success h3{font-size:21px;margin:0 0 8px}
.success p{color:var(--ink-soft);font-size:14.5px;margin:0 auto 18px;max-width:38ch}
.codebox{display:inline-flex;align-items:center;gap:10px;background:var(--bg);border:1px dashed var(--sea);border-radius:11px;padding:11px 16px;font-family:ui-monospace,monospace;font-weight:800;font-size:18px;color:var(--sea-deep);letter-spacing:1px;margin-bottom:20px}
.codebox button{border:none;background:var(--sea);color:#fff;border-radius:7px;padding:6px 10px;font-size:12px;font-weight:600}

/* Toast */
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:13px 20px;border-radius:12px;font-size:14px;font-weight:500;box-shadow:0 10px 30px rgba(0,0,0,.25);z-index:90;opacity:0;transition:.25s;display:flex;align-items:center;gap:9px;max-width:90vw}
.toast svg{width:18px;height:18px;color:#6ee7a8;flex:none}
.toast.err svg{color:#fca5a5}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

footer{border-top:1px solid var(--line);background:var(--paper);padding:24px 20px;text-align:center;color:var(--ink-soft);font-size:12.5px}
footer b{color:var(--ink)}