/* Layout: Norwalk Ready Mix masthead, then one narrow field-tool column — location, evaporation and rain readouts, hourly outlook charts, concrete temp, inputs, crack controls */
/* Brand: black, white and red with heavy Franklin Gothic type and slanted cuts, after norwalkreadymix.com */
:root{
  --brand-black:#0d0200; --brand-red:#c41414; --topbar:max(6px,env(safe-area-inset-top,0px));
  --bg:#e5e5e5; --panel:#ffffff; --ink:#161312; --muted:#5c5856; --line:#d6d3d1; --night:#ebe9e8;
  --accent:#c41414; --accent-soft:#fbe3e1; --btn:#c41414; --series:#3a3532;
  --tag:#2b2725; --tag-ink:#ffffff;
  --ok:#2f7d4f; --ok-soft:#e1f0e6; --warn:#a86a07; --warn-soft:#f8ecd2; --bad:#b3362b; --bad-soft:#f7dfdc;
  --display:"Libre Franklin","Franklin Gothic Medium","Arial Narrow",system-ui,sans-serif;
  --body:"Libre Franklin",system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#181615; --panel:#221f1e; --ink:#efebe8; --muted:#a39e9a; --line:#3a3533; --night:#1b1918;
  --accent:#f0564a; --accent-soft:#3a1714; --btn:#c41414; --series:#d9d3cf;
  --tag:#3d3836; --tag-ink:#f2eeeb;
  --ok:#6cc58f; --ok-soft:#1c3326; --warn:#e3a94a; --warn-soft:#3a2d14; --bad:#ee7b70; --bad-soft:#3d1e1b;
  color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.45}
.wrap{max-width:720px;margin:0 auto;padding-block:18px 48px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));display:grid;gap:18px}
[hidden]{display:none!important}

/* iOS 26 shades and blurs the page under the status bar unless a full-width fixed bar (6px or taller) sits at the
   top; with one, the status bar takes its solid color and the masthead below stays sharp. */
.topbar{position:fixed;top:0;left:0;right:0;z-index:10;height:var(--topbar);background:var(--brand-black)}

/* masthead: a black block from the left edge, cut on a slant with a red stripe, like the company logo block.
   The red layer shows only in the strip between the black layer's cut and its own. */
.mast{--cut:30px;--stripe:12px;position:relative;isolation:isolate;width:fit-content;max-width:calc(100% - 24px);
  padding-block:calc(var(--topbar) + 12px) 16px;
  padding-left:max(16px,env(safe-area-inset-left,0px),calc(50% - 344px));padding-right:calc(var(--cut) + var(--stripe) + 28px);
  background:var(--brand-red);color:#fff;clip-path:polygon(0 0,100% 0,calc(100% - var(--cut)) 100%,0 100%)}
.mast::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--brand-black);
  clip-path:polygon(0 0,calc(100% - var(--stripe)) 0,calc(100% - var(--stripe) - var(--cut)) 100%,0 100%)}
.mast-co{margin:0 0 3px;font:700 .7rem var(--display);letter-spacing:.16em;text-transform:uppercase;color:#c9c3c0}
.mast h1{margin:0;font:italic 900 2.3rem/1 var(--display);letter-spacing:-.01em;text-transform:uppercase}
.intro{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.intro p{margin:0;color:var(--muted);font-size:.95rem;max-width:60ch}
/* phones: the button goes under the text so the text keeps the full width */
@media (max-width: 560px){.intro{flex-direction:column}}
.eyebrow{font-family:var(--display);font-weight:800;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);margin:0 0 8px}
.eyebrow::before{content:"";display:inline-block;width:.45em;height:1em;margin-right:.6em;vertical-align:-.15em;background:var(--accent);transform:skewX(-18deg)}
.readout .eyebrow::before{content:none}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:16px;min-width:0}

/* home screen steps for iPhone and iPad, which have no install prompt */
.ih-steps{margin:0 0 8px;padding-left:1.3em}
.ih-steps li{margin:6px 0}
.ih-steps b{font-weight:600}
.ih-share{width:.8em;height:1em;vertical-align:-.12em;fill:none;stroke:var(--accent);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.install-help .hint{margin:0}

.btn{font:800 .85rem var(--body);letter-spacing:.05em;text-transform:uppercase;padding:11px 18px;border-radius:3px;border:1px solid var(--btn);background:var(--btn);color:#fff;cursor:pointer;white-space:nowrap}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn:disabled{opacity:.55;cursor:default}
@media (hover: hover){
  .btn:not(:disabled):hover{filter:brightness(1.15)}
  .btn.ghost:not(:disabled):hover{filter:none;background:var(--ink);color:var(--panel)}
}
.link{background:none;border:0;padding:0;color:var(--accent);font:600 .82rem var(--body);cursor:pointer;text-decoration:underline;text-underline-offset:2px}
select{width:100%;font:500 1rem var(--body);padding:9px 10px;border-radius:3px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
input[type=text]{font:500 1rem var(--body);padding:10px 12px;border-radius:3px;border:1px solid var(--line);background:var(--bg);color:var(--ink);min-width:0}

/* location */
.loc-form{display:flex;gap:8px}
.loc-form input{flex:1}
.loc-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.loc-status{margin:10px 0 0;font-size:.9rem;color:var(--muted)}
.loc-status strong{color:var(--ink)}
.loc-status[data-kind="err"]{color:var(--bad)}
.loc-status[data-kind="warn"]{color:var(--warn)}
.matches{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.wx-now{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:12px;font-size:.92rem;font-variant-numeric:tabular-nums}
.wx-now span b{font-weight:600}
.alert{margin-top:10px;padding:8px 10px;border-radius:3px;background:var(--warn-soft);color:var(--ink);font-size:.88rem}

/* readout */
.readout{border-radius:4px;padding:18px;display:grid;gap:10px;background:var(--ok-soft);border:1px solid color-mix(in srgb,var(--ok) 35%,transparent);transition:background .25s,border-color .25s}
.readout[data-risk="mod"]{background:var(--warn-soft);border-color:color-mix(in srgb,var(--warn) 40%,transparent)}
.readout[data-risk="high"]{background:var(--bad-soft);border-color:color-mix(in srgb,var(--bad) 40%,transparent)}
/* nothing to rate yet: no location loaded and the conditions not all entered */
.readout[data-risk="none"]{background:var(--panel);border-color:var(--line)}
.readout[data-risk="none"] .rate{color:var(--muted)}
.readout[data-risk="none"] .meter{opacity:.3}
.ro-head .eyebrow{margin:0 0 2px;color:var(--ink)}
.ro-src{font-size:.85rem;color:var(--muted)}
.rain .rate{font-size:2.6rem}
.ro-top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px}
.rate{font-family:var(--display);font-weight:800;font-size:3.3rem;line-height:.9;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.rate small{font-size:1rem;font-weight:600;color:var(--muted);margin-left:6px;letter-spacing:0}
.pill{font-family:var(--display);font-weight:800;font-size:.9rem;letter-spacing:.06em;text-transform:uppercase;padding:7px 14px;border-radius:3px;color:var(--panel);background:var(--ok)}
.readout[data-risk="mod"] .pill{background:var(--warn)}
.readout[data-risk="high"] .pill{background:var(--bad)}
/* keep the number and pill on one line on phones; Franklin is wider than a condensed face */
@media (max-width: 420px){
  .rate{font-size:2.75rem}
  .rain .rate{font-size:2.3rem}
  .rate small{font-size:.9rem}
  .pill{font-size:.8rem;padding:6px 10px}
}
.meter{position:relative;height:10px;border-radius:2px;background:linear-gradient(90deg,var(--ok) 0 var(--c1),var(--warn) var(--c1) var(--c2),var(--bad) var(--c2) 100%);opacity:.9}
.meter i{position:absolute;top:-5px;width:4px;height:20px;border-radius:1px;background:var(--ink);transform:translateX(-50%);transition:left .25s}
.verdict{margin:0;font-size:1rem}
.metric{color:var(--muted);font-size:.85rem;font-variant-numeric:tabular-nums}
.disclaim{margin:0;color:var(--muted);font-size:.8rem;font-style:italic}

/* outlook */
.ol-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:10px;margin-bottom:12px}
.ol-head .eyebrow{margin:0}
.ol-ctl{display:flex;flex-wrap:wrap;gap:8px 14px}
.ol-sel{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--muted)}
.ol-sel select{width:auto;font-size:.9rem;padding:6px 8px}
#outlook-chart,#rain-chart{cursor:pointer;display:block;border-radius:2px}
#outlook-chart:focus:not(:focus-visible),#rain-chart:focus:not(:focus-visible){outline:none}
#outlook-chart:focus-visible,#rain-chart:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.chart-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:2px 12px;margin-bottom:2px}
.chart-head .k{font-family:var(--display);font-weight:800;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.chart-head .s{font-size:.85rem;color:var(--muted);font-variant-numeric:tabular-nums}
.rain-block{margin-top:18px}
.ol-hint{margin:12px 0 0;font-size:.82rem;color:var(--muted)}
.empty{color:var(--muted);font-size:.9rem;margin:0}

/* inputs: collapsed by default; the summary line shows what the readout is using */
.cond>summary{display:flex;align-items:center;gap:12px;cursor:pointer;list-style:none;margin:-16px;padding:16px;border-radius:4px}
.cond>summary::-webkit-details-marker{display:none}
.cond[open]>summary{margin-bottom:0}
.cond-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 12px;flex:1;min-width:0}
.cond-head .eyebrow{margin:0;color:var(--ink)}
.cond-sum{color:var(--muted);font-size:.9rem;font-variant-numeric:tabular-nums}
.chev{flex:none;width:9px;height:9px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:translateY(-2px) rotate(45deg);transition:transform .2s}
.cond[open] .chev{transform:translateY(2px) rotate(-135deg)}
.cond>summary:hover .eyebrow{color:var(--accent)}
.presets{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:500 .9rem var(--body);padding:7px 12px;border-radius:3px;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--panel)}
.chip:focus-visible,input:focus-visible,select:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.presets-label{font-size:.85rem;color:var(--muted);margin:0 0 6px}

.inputs{display:grid;gap:16px;margin-top:14px}
.field{display:grid;gap:6px}
.field-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap}
.field label{font-weight:600}
.src{font:700 .66rem var(--display);letter-spacing:.08em;text-transform:uppercase;padding:2px 7px;border-radius:2px;margin-left:8px;vertical-align:2px;background:var(--tag);color:var(--tag-ink)}
.src:empty{display:none}
.src.manual{background:var(--warn-soft);color:var(--warn)}
.src.example{background:var(--bg);color:var(--muted)}
.hint{color:var(--muted);font-size:.82rem}
.hint.eff{color:var(--ink);font-weight:500}
.row{display:grid;grid-template-columns:1fr 92px;gap:12px;align-items:center}
input[type=range]{width:100%;accent-color:var(--accent);margin:0}
input[type=range].unset{opacity:.35}
.num{display:flex;align-items:center;border:1px solid var(--line);border-radius:3px;background:var(--bg);overflow:hidden}
.num input{width:100%;min-width:0;border:0;background:transparent;color:var(--ink);font:600 1.05rem var(--body);padding:7px 4px 7px 10px;font-variant-numeric:tabular-nums}
.num input[aria-invalid="true"]{color:var(--bad)}
.num span{color:var(--muted);font-size:.85rem;padding-right:8px;white-space:nowrap}
label.toggle{display:flex;align-items:center;gap:10px;font-weight:500;cursor:pointer;padding:4px 0}
.use-now{display:grid;gap:2px;margin:14px 0 16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.use-now label.toggle{font-weight:600}
.toggle input{width:20px;height:20px;margin:0;accent-color:var(--accent)}
.tc-panel{display:grid;gap:6px;justify-items:start}
.tc-panel .eyebrow,.tc-panel .hint{margin:0}
.tc-val{font-family:var(--display);font-weight:800;font-size:2.5rem;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.tc-val small{font-size:1rem;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0}

/* charts */
.chart-wrap{overflow-x:auto}
svg text{font-family:var(--body);fill:var(--muted);font-size:11px}
.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:.82rem;color:var(--muted);margin-top:6px}
.legend b{display:inline-block;width:14px;height:3px;vertical-align:middle;margin-right:6px;border-radius:1px}
.legend b.nightkey{height:10px;background:var(--night);border:1px solid var(--line)}
.legend b.bar{width:10px;height:10px}

/* crack-control list */
.ctl-group{font-weight:700;margin:14px 0 4px}
.eyebrow+.ctl-group{margin-top:0}
.practices{margin:0;padding-left:1.1em}
.practices li{margin:4px 0}
.practices b{font-weight:600}
.foot{color:var(--muted);font-size:.82rem;max-width:65ch}
.foot p{margin:0 0 6px}
.foot .disclaimer{color:var(--ink);margin-bottom:10px}
@media (prefers-reduced-motion: reduce){*{transition:none!important}}