:root{
  --bg:#eaf6f8;--card:#ffffff;--ink:#0f2a33;--mute:#5d7882;--brand:#0e7490;--brand2:#0b5f78;--line:#d6e8ec;
  --accent:#f5a524;--danger:#c0392b;--chip:#dff1f5;
  --shadow:0 1px 2px rgba(10,60,75,.06),0 6px 18px rgba(10,60,75,.07);
  --hdr1:#0e7490;--hdr2:#164e63;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#08161b;--card:#102a32;--ink:#e6f4f7;--mute:#86a6b0;--brand:#3cc4de;--brand2:#1fa3c0;--line:#1d3d47;
  --accent:#fbbf4a;--danger:#ff8a7a;--chip:#173843;
  --shadow:0 1px 2px rgba(0,0,0,.35),0 6px 18px rgba(0,0,0,.28);
  --hdr1:#0b5f78;--hdr2:#0a2f3d;
}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);padding-bottom:calc(84px + env(safe-area-inset-bottom));-webkit-tap-highlight-color:transparent}
a{color:var(--brand);text-decoration:none}

header{position:sticky;top:0;z-index:5;background:linear-gradient(135deg,var(--hdr1),var(--hdr2));color:#fff;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;padding-top:calc(12px + env(safe-area-inset-top));box-shadow:0 2px 12px rgba(0,0,0,.2)}
header h1{font-size:19px;font-weight:700;margin:0;letter-spacing:.2px}
header button.link{color:#fff;opacity:.9;font-size:14px;font-weight:600}

nav{position:fixed;left:0;right:0;bottom:0;z-index:6;display:flex;background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -4px 18px rgba(10,60,75,.1)}
nav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:1px;padding:8px 4px 7px;font-size:12px;font-weight:600;color:var(--mute)}
nav a span{font-size:21px;line-height:1.1;filter:grayscale(1);opacity:.7}
nav a.on{color:var(--brand)}
nav a.on span{filter:none;opacity:1}

main{max-width:760px;margin:0 auto;padding:18px 16px}
h2{font-size:24px;font-weight:700;margin:6px 0 14px;letter-spacing:-.2px}
h3{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--mute);margin:26px 0 10px;display:flex;justify-content:space-between;align-items:center}

.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px;margin-bottom:10px;box-shadow:var(--shadow)}
a.card{display:block;color:inherit;transition:transform .08s}
a.card:active{transform:scale(.99)}
.row{display:flex;justify-content:space-between;gap:10px;align-items:center}
.mute{color:var(--mute);font-size:14px}
.pre{white-space:pre-wrap}
.note{background:var(--chip);border-radius:10px;padding:10px 12px;font-size:15px;margin:12px 0 0}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{background:var(--chip);color:var(--brand);padding:8px 14px;border-radius:99px;font-weight:600;font-size:14px}

input,select,textarea,button{font:inherit;color:inherit}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:-1px}
textarea{min-height:90px}
label{display:block;font-size:13px;font-weight:600;color:var(--mute);margin:12px 0 5px}
button{padding:10px 16px;border-radius:12px;border:1px solid var(--line);background:var(--card);cursor:pointer;font-weight:600}
button.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));border:0;color:#fff;box-shadow:0 2px 8px rgba(14,116,144,.35)}
button.danger{color:var(--danger)}
button.link{background:none;border:0;box-shadow:none;padding:4px 8px;color:var(--brand);text-transform:none;letter-spacing:0;font-size:15px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 4px}

.badge{font-size:12px;font-weight:600;padding:3px 10px;border-radius:99px;background:var(--line);white-space:nowrap}
.badge.scheduled,.badge.in_progress{background:#ffe9b3;color:#5c4400}
.badge.done{background:#cdeedb;color:#0f5a33}
.badge.invoiced{background:#d9e4ff;color:#233f8a}
.badge.quote{background:#eadcf7;color:#4a2a6b}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px;margin-top:12px}
.grid figure{margin:0}
.grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px;cursor:pointer;display:block}
.grid figcaption{font-size:12px;color:var(--mute);text-transform:capitalize;margin-top:3px;min-height:1em}

/* customers list + A–Z rail */
.actions.top{margin-top:0}
.card.cust{padding:10px 14px;margin-bottom:6px;border-radius:12px;box-shadow:none}
h4.letter{position:sticky;top:calc(52px + env(safe-area-inset-top));margin:14px 0 6px;padding:4px 2px;font-size:13px;font-weight:800;color:var(--brand);background:var(--bg);scroll-margin-top:calc(56px + env(safe-area-inset-top));z-index:2}
body.has-rail main{padding-right:34px}
#rail{position:fixed;right:2px;top:calc(60px + env(safe-area-inset-top));bottom:calc(76px + env(safe-area-inset-bottom));z-index:4;display:flex;flex-direction:column;justify-content:space-between;width:28px}
#rail button{flex:1;min-height:0;padding:0;border:0;background:none;box-shadow:none;font-size:11px;font-weight:700;color:var(--brand);border-radius:6px;line-height:1}
#rail button:disabled{color:var(--mute);opacity:.35}

/* calendar */
.calhead{display:flex;align-items:center;justify-content:space-between;gap:8px}
.calhead h2{margin:0;font-size:21px;text-align:center;flex:1}
.calhead button{width:42px;height:42px;padding:0;font-size:24px;line-height:1;border-radius:99px}
.cal{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:8px;box-shadow:var(--shadow)}
.dow,.days{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}
.dow span{text-align:center;font-size:12px;font-weight:700;color:var(--mute);padding:4px 0}
.cell{aspect-ratio:1/1.05;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:6px 2px 5px;border:0;border-radius:12px;background:none;box-shadow:none;font-weight:600;min-width:0}
.cell .num{font-size:15px;line-height:1.2}
.cell.other{opacity:.38}
.cell.today .num{background:var(--accent);color:#3a2600;border-radius:99px;min-width:26px;padding:0 4px;text-align:center}
.cell.sel{background:var(--chip);outline:2px solid var(--brand);outline-offset:-2px}
.dots{display:flex;gap:3px;align-items:center;justify-content:center;flex-wrap:wrap;min-height:8px}
.dots small{font-size:10px;color:var(--mute)}
.dot{width:7px;height:7px;border-radius:99px;background:var(--mute);display:inline-block}
.dot.quote{background:#a468d8}.dot.scheduled{background:#f5a524}.dot.in_progress{background:#ef6c2f}
.dot.done{background:#2fb673}.dot.invoiced{background:#5b8def}

dialog{border:0;border-radius:20px;padding:20px;width:min(520px,94vw);max-height:92vh;background:var(--card);color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.4)}
dialog::backdrop{background:rgba(3,15,20,.6);backdrop-filter:blur(2px)}
dialog img.big{width:100%;border-radius:12px}
dialog h2{margin-top:0}
#toast{position:fixed;left:50%;bottom:calc(90px + env(safe-area-inset-bottom));transform:translateX(-50%);background:#0f2a33;color:#fff;padding:11px 18px;border-radius:99px;opacity:0;pointer-events:none;transition:opacity .2s;box-shadow:var(--shadow);z-index:20}
#toast.show{opacity:1}
.login{max-width:340px;margin:12vh auto;background:var(--card);padding:22px;border-radius:20px;box-shadow:var(--shadow)}
.err{color:var(--danger);font-size:14px;min-height:1em}

/* desktop polish */
@media (min-width:820px){
  body.has-rail main{padding-right:16px}
  #rail{right:auto;left:calc(50% + 392px);width:36px;top:96px;bottom:auto;height:min(660px,calc(100vh - 210px));padding:8px 0;background:var(--card);border:1px solid var(--line);border-radius:99px;box-shadow:var(--shadow)}
  #rail button{font-size:12px;cursor:pointer;margin:0 3px;transition:background .1s}
  #rail button:hover:not(:disabled){background:var(--chip)}
  nav{left:50%;right:auto;transform:translateX(-50%);width:520px;bottom:16px;border:1px solid var(--line);border-radius:22px;overflow:hidden}
  body{padding-bottom:110px}
}

/* season tabs, header extras, reminder */
.hdr-right{display:flex;align-items:center;gap:6px}
#gear{font-size:19px;padding:2px 6px;text-decoration:none}
.seg{display:flex;gap:6px;background:var(--chip);padding:4px;border-radius:14px;margin-bottom:12px}
.seg button{flex:1;border:0;box-shadow:none;background:none;padding:9px 6px;font-size:14px}
.seg button.on{background:var(--card);color:var(--brand);box-shadow:var(--shadow)}
.card.reminder{background:var(--chip);border-color:var(--accent);font-size:14px;font-weight:600;color:var(--ink)}
@media (max-width:360px){nav a{font-size:11px}}