:root{
  --bg1:#F4FBF7;--bg2:#DCF2E8;--teal:#1D9E75;--dark:#04342C;--mid:#0F6E56;--lime:#7BC96A;--mint:#9FE1CB;
  --line:#c5e3d6;--white:#fff;--danger:#b3261e;--radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:'Poppins',system-ui,sans-serif;color:var(--dark);background:linear-gradient(180deg,var(--bg1),var(--bg2)) fixed;font-size:15px;line-height:1.5}
h1,h2,h3{margin:0 0 .4em;line-height:1.25}
h1{font-size:1.6rem;font-weight:700}h2{font-size:1.2rem;font-weight:700}h3{font-size:1rem;font-weight:500}
p{margin:0 0 .8em}
a{color:var(--mid)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.loading{padding:48px 16px;text-align:center;color:var(--mid)}
.meta,.small{font-size:.82rem;color:#3d6b5f}
.lead{font-size:1.05rem;color:#2c5a4e}
.note{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:8px;padding:10px 14px;font-size:.88rem;margin:12px 0}
.error{color:var(--danger);font-size:.88rem;margin:8px 0}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px}

/* brand */
.wordmark{font-weight:700;font-size:1.35rem;letter-spacing:-.02em;color:var(--dark)}
.wordmark.big{font-size:2rem}
.wordmark .dot{color:var(--lime)}

/* buttons / fields */
.btn{font:inherit;font-weight:500;border:1px solid var(--line);background:var(--white);color:var(--dark);padding:9px 16px;border-radius:10px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;text-decoration:none;line-height:1.2}
.btn:hover{background:var(--bg1);border-color:var(--teal)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-primary{background:var(--mid);border-color:var(--mid);color:#fff}
.btn-primary:hover{background:var(--dark);border-color:var(--dark)}
.btn-light{background:var(--white)}
.btn-ghost{background:transparent;border-color:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.6)}
.btn-danger{color:var(--danger);border-color:#e6b9b5}
.btn-danger:hover{background:#fdeceb;border-color:var(--danger)}
.btn-sm{padding:6px 11px;font-size:.84rem;border-radius:8px}
.btn-block{width:100%;justify-content:center}
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px;font-weight:500;font-size:.88rem}
input,select,textarea{font:inherit;font-weight:400;color:var(--dark);background:var(--white);border:1px solid var(--line);border-radius:10px;padding:9px 12px;width:100%;min-width:0}
input[type=checkbox],input[type=radio]{width:auto}
input[type=file]{padding:8px}

/* login */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.auth-card{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:32px 28px;width:100%;max-width:400px}
.auth-card .wordmark{display:block;margin-bottom:6px}
.auth-form{margin-top:18px}

/* shell */
.shell{min-height:100vh;display:flex;flex-direction:column}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 24px;background:rgba(255,255,255,.85);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.nav,.who{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.who .email{font-size:.82rem;color:#3d6b5f;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.page{width:100%;max-width:1000px;margin:0 auto;padding:28px 24px}
.page.wide{max-width:1400px}

/* dashboard */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:18px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.project-card{display:block;text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}
.project-card:hover{border-color:var(--teal);transform:translateY(-2px)}
.pc-icon{width:40px;height:40px;border-radius:10px;background:var(--bg2);color:var(--mid);display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.pc-desc{font-size:.86rem;color:#3d6b5f}

/* project view */
.project{display:grid;grid-template-columns:320px 1fr;gap:16px;height:calc(100vh - 150px);min-height:480px}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px;overflow-y:auto}
.panel-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.back{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;text-decoration:none;margin-bottom:8px}
.project-title{margin:0}
.layer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.layer{border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.layer-head{display:flex;align-items:center;gap:8px}
.layer-head label{display:flex;align-items:center;gap:8px;flex:1;cursor:pointer}
.layer-name{font-weight:500}
.layer-colour{margin-top:8px;font-size:.8rem}
.layer-colour select{padding:6px 8px;margin-top:3px}
.layer-actions{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.tip{font-size:.8rem;color:#3d6b5f;margin-top:10px}
.mapwrap{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--bg2)}
.map{position:absolute;inset:0}
.map-tools{position:absolute;top:10px;left:10px;display:flex;gap:8px;z-index:2;flex-wrap:wrap}
.basemaps,.seg{display:inline-flex;background:var(--white);border-radius:10px;border:1px solid var(--line);overflow:hidden}
.seg button,.basemaps button{font:inherit;font-size:.82rem;border:0;background:transparent;padding:7px 12px;cursor:pointer;color:var(--dark)}
.seg button[aria-pressed=true],.basemaps button[aria-pressed=true]{background:var(--mid);color:#fff}
.fit{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:7px 12px;font:inherit;font-size:.82rem;cursor:pointer}
.map-notice{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);background:var(--white);border:1px solid var(--line);border-radius:10px;padding:8px 14px;font-size:.84rem;z-index:2;max-width:90%}
.legend{position:absolute;bottom:24px;right:10px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:.78rem;z-index:2;max-width:230px;max-height:45%;overflow:auto}
.legend-title{font-weight:700;margin-bottom:2px}
.legend-sub{color:#3d6b5f;margin-bottom:4px}
.legend-bar{height:10px;border-radius:5px;border:1px solid var(--line)}
.legend-scale{display:flex;justify-content:space-between;margin-top:2px}
.legend-item{margin-bottom:6px}
.legend .row,.legend-item .row{display:flex;align-items:center;gap:6px}
.swatch{display:inline-block;width:14px;height:14px;border-radius:4px;border:1px solid rgba(0,0,0,.2);flex:none}
.pop-layer{font-size:.72rem;color:#3d6b5f;text-transform:uppercase;letter-spacing:.04em}
.pop-title{font-weight:700;margin:2px 0 6px}
.pop-table{border-collapse:collapse;font-size:.8rem;width:100%}
.pop-table td,.pop-table th{padding:3px 6px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.pop-table th{font-weight:500;color:#3d6b5f;white-space:nowrap}
.mapboxgl-popup-content{font-family:'Poppins',sans-serif;border-radius:10px;max-height:260px;overflow:auto}

/* admin */
.section-h{margin:28px 0 10px}
.tbl{width:100%;border-collapse:collapse;font-size:.88rem;background:var(--white);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.tbl th,.tbl td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left}
.tbl th{background:var(--bg1);font-weight:500}
.tbl .right,.right{text-align:right}
.proj{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px}
.proj-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.inline-form{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end}
.inline-form input,.inline-form select{flex:1;min-width:160px;width:auto}
.form{display:flex;flex-direction:column;gap:4px;max-width:520px}
.row-actions{display:flex;gap:6px;justify-content:flex-end}

/* toast */
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--dark);color:#fff;padding:11px 18px;border-radius:10px;font-size:.88rem;z-index:1000;max-width:90vw}
.toast.error{background:var(--danger);color:#fff;margin:0}

@media (max-width:820px){
  .top{padding:10px 14px}
  .page{padding:18px 14px}
  .project{grid-template-columns:1fr;height:auto}
  .mapwrap{height:65vh;min-height:360px}
  .panel{max-height:none}
  .who .email{display:none}
  .legend{max-width:160px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}