/* Phone3box - front-end styles (no framework) */
:root{
  --ink:#0f172a;--ink2:#334155;--muted:#64748b;--line:#e2e8f0;--line2:#cbd5e1;
  --bg:#f6f8fa;--card:#ffffff;--accent:#0e7490;--accent-d:#155e75;--soft:#eef6f8;
  --radius:10px;--shadow:0 1px 2px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
::placeholder{color:#b4bfcc;opacity:1}
input::-webkit-input-placeholder,textarea::-webkit-input-placeholder{color:#b4bfcc}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif}
a{color:var(--accent-d);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
h1,h2,h3{line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(1.5rem,2.4vw,2rem);letter-spacing:-.01em}
h2{font-size:1.25rem}
h3{font-size:1.05rem}
p{margin:0 0 1em}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 16px}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}
.hd-inner{display:flex;align-items:center;gap:20px;height:60px}
.logo{font-weight:700;font-size:1.15rem;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.logo span{color:var(--accent)}
.nav{display:flex;gap:18px;font-size:1rem;margin-left:4px}
.nav a{color:var(--ink2)}
.nav a:hover{color:var(--accent-d);text-decoration:none}
.hd-search{margin-left:auto;flex:1 1 240px;max-width:340px}
.hd-search input{width:100%;height:38px;padding:0 12px;border:1px solid var(--line2);
  border-radius:999px;background:#fff;font-size:1rem;outline:none}
.hd-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,116,144,.12)}
@media(max-width:720px){
  .hd-inner{height:auto;flex-wrap:wrap;padding:10px 16px;gap:10px}
  .nav{order:3;width:100%;gap:14px;font-size:1rem}
  .hd-search{order:2;max-width:none;flex:1 1 100%}
}

/* hero */
.hero{padding:34px 0 10px}
.hero h1{margin-bottom:.35em}
.hero p{color:var(--muted);max-width:760px;font-size:1.02rem}
.hero-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--line2);
  border-radius:999px;background:#fff;color:var(--ink2);font-size:1rem}
.chip:hover{border-color:var(--accent);color:var(--accent-d);text-decoration:none}
.stat-line{display:flex;flex-wrap:wrap;gap:22px;margin:18px 0 6px;color:var(--muted);font-size:1rem}
.stat-line b{color:var(--ink);font-weight:600}

/* sections */
.section{margin:32px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}
.section-head h2{margin:0}
.section-head a{font-size:1rem}

/* card grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:var(--line2);box-shadow:var(--shadow);text-decoration:none}
.card .thumb{aspect-ratio:4/3;background:#fff;display:flex;align-items:center;justify-content:center;padding:8px}
.card .thumb img{max-height:100%;width:auto;object-fit:contain}
.card .thumb.empty{background:linear-gradient(135deg,#eef2f6,#e2e8f0);color:#94a3b8;font-size:1rem}
.card .info{padding:10px 12px 12px;border-top:1px solid var(--line)}
.card .brand{font-size:1rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.card .name{font-weight:600;font-size:1rem;color:var(--ink);margin:2px 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .dims{font-size:1rem;color:var(--ink2);font-variant-numeric:tabular-nums}
.card .dims b{font-weight:600}
.badge{display:inline-block;padding:2px 7px;border-radius:5px;font-size:1rem;background:var(--soft);color:var(--accent-d)}

/* filters */
.filters{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-bottom:18px}
.filters form{display:grid;grid-template-columns:1.4fr 1.05fr .9fr .9fr .9fr 1.9fr auto;gap:10px;align-items:end}
.field{min-width:0}
.field-wide{grid-column:auto}
.field label{display:block;font-size:1rem;color:var(--muted);margin-bottom:4px}
.field input,.field select{width:100%;min-width:0;height:38px;padding:0 10px;border:1px solid var(--line2);
  border-radius:8px;background:#fff;font-size:1rem;color:var(--ink)}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 18px;border:1px solid var(--accent);
  background:var(--accent);color:#fff;border-radius:8px;font-size:1rem;cursor:pointer}
.btn:hover{background:var(--accent-d);text-decoration:none;color:#fff}
.btn.ghost{background:#fff;color:var(--ink2);border-color:var(--line2)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent-d)}
.result-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;color:var(--muted);font-size:1rem;flex-wrap:wrap}

/* pagination */
.pager{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:28px 0 10px}
.pager a,.pager span{padding:7px 12px;border:1px solid var(--line2);border-radius:8px;background:#fff;
  font-size:1rem;color:var(--ink2)}
.pager a:hover{border-color:var(--accent);color:var(--accent-d);text-decoration:none}
.pager .on{background:var(--accent);border-color:var(--accent);color:#fff}
.pager .dis{opacity:.45}

/* brand list */
.brand-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.brand-card{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.brand-card:hover{border-color:var(--accent);text-decoration:none}
.brand-card b{font-weight:600;color:var(--ink)}
.brand-card span{font-size:1rem;color:var(--muted);font-variant-numeric:tabular-nums}

/* detail */
.breadcrumb{font-size:1rem;color:var(--muted);padding:18px 0 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent-d)}
.detail-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start;margin:10px 0 6px}
.detail-head h1{margin:0}
.detail-head .sub{color:var(--muted);font-size:1rem}
.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:26px;margin-top:18px}
@media(max-width:900px){.detail-grid{grid-template-columns:1fr}}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin:0 0 18px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px}
.kpi .k{font-size:1rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.kpi .v{font-size:1.35rem;font-weight:600;font-variant-numeric:tabular-nums;margin-top:2px}
.kpi .u{font-size:1rem;color:var(--muted);font-weight:400;margin-left:2px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.panel + .panel{margin-top:16px}
.spec-table{width:100%;border-collapse:collapse;font-size:1rem}
.spec-table th,.spec-table td{padding:9px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec-table th{width:38%;color:var(--muted);font-weight:500}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.size-visual{display:flex;align-items:flex-end;justify-content:center;gap:14px;padding:10px 0 4px}
.sv-box{position:relative;width:186px;height:330px;display:flex;align-items:flex-end;justify-content:center}
.sv-phone{position:relative;background:linear-gradient(160deg,#1f2937,#334155);border-radius:20px;
  box-shadow:0 8px 18px rgba(15,23,42,.18);display:flex;align-items:center;justify-content:center}
.sv-phone::after{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);
  width:34%;height:5px;border-radius:4px;background:rgba(255,255,255,.22)}
.sv-screen{position:absolute;inset:8px;border-radius:14px;background:linear-gradient(180deg,#0ea5b7,#155e75);opacity:.55}
.sv-note{font-size:1rem;color:var(--muted)}
.legend{display:grid;gap:6px;font-size:1rem;color:var(--ink2);font-variant-numeric:tabular-nums;margin-top:10px}
.legend div{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:4px}

/* live search suggestions */
.sug{position:absolute;left:0;right:auto;top:100%;min-width:100%;width:max-content;max-width:560px;margin-top:5px;background:#fff;border:1px solid var(--line2);
  border-radius:10px;box-shadow:0 10px 24px rgba(15,23,42,.12);z-index:60;max-height:340px;overflow:auto}
.sug-list{display:block}
.sug-item{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:9px 12px;
  cursor:pointer;border-bottom:1px solid #f1f5f9}
.sug-item:last-child{border-bottom:0}
.sug-item:hover,.sug-item.is-active{background:#f1f5f9}
.sug-name{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sug-name em{font-style:normal;color:var(--muted);margin-right:6px}
.sug-name b{color:var(--ink);font-weight:600}
.sug-meta{flex:0 0 auto;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.sug-empty{padding:10px 12px;color:var(--muted)}
.sug.sug-right{left:auto;right:0}
.hd-search{position:relative}
.field{position:relative}
/* compact list (phones, brands) */
.plist{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.plist-head,.prow{display:grid;grid-template-columns:minmax(0,1.7fr) 106px 96px 128px 80px 112px 88px 56px;
  gap:8px;align-items:center;padding:10px 14px}
.plist-head{font-size:1rem;letter-spacing:0;text-transform:none;color:var(--muted);
  background:#f8fafc;border-bottom:1px solid var(--line)}
.hsort{color:inherit;text-decoration:none;white-space:nowrap}
.hsort:hover{color:var(--accent-d);text-decoration:none}
.hsort .ar{font-style:normal;margin-left:3px;color:#94a3b8;font-size:1rem}
.hsort.is-desc .ar,.hsort.is-asc .ar{color:var(--accent-d)}
.prow{border-bottom:1px solid var(--line);color:var(--ink2);font-size:1rem;font-variant-numeric:tabular-nums}
.prow:last-child{border-bottom:0}
.prow:hover{background:#f8fafc;text-decoration:none}
.p-phone{min-width:0}
.p-phone b{display:block;color:var(--ink);font-weight:600;font-size:1rem;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.p-phone em{font-style:normal;color:var(--muted);font-size:1rem}
.p-h,.p-w,.p-t{color:var(--ink);white-space:nowrap}
.p-s,.p-b,.p-wt,.p-yr{color:var(--muted);white-space:nowrap}
.prow.brow,.plist-head.brow-head{grid-template-columns:1fr}
.prow.brow .p-phone{display:flex;align-items:baseline;flex-wrap:wrap;gap:2px 10px}
.prow.brow .p-phone b{display:inline;font-size:1rem;white-space:normal}
.p-count{color:var(--muted);font-size:1rem;white-space:nowrap;font-variant-numeric:tabular-nums}
@media(max-width:900px){
  .plist-head{display:none}
  .prow{grid-template-columns:repeat(3,auto);justify-content:start;gap:3px 12px;padding:11px 12px}
  .p-phone{grid-column:1/-1}
  .p-phone b{font-size:1rem}
  .p-h{grid-column:1;font-size:1rem}
  .p-w{grid-column:2;font-size:1rem}
  .p-t{grid-column:3;font-size:1rem}
  .p-h::before{content:"Height ";color:#94a3b8;font-size:1rem}
  .p-w::before{content:"Width ";color:#94a3b8;font-size:1rem}
  .p-t::before{content:"Thickness ";color:#94a3b8;font-size:1rem}
  .p-t::after{content:" mm";color:#94a3b8;font-size:1rem}
  .p-s{grid-column:1;font-size:1rem}
  .p-b{grid-column:2;font-size:1rem}
  .p-wt{grid-column:3;font-size:1rem}
  .p-yr{grid-column:1;font-size:1rem}
}
/* FAQ block on phone detail */
.faq{margin-top:34px;max-width:860px}
.faq-title{font-size:1.05rem;color:var(--muted);font-weight:500;text-transform:uppercase;
  letter-spacing:.06em;margin-bottom:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:15px 18px;margin-bottom:10px}
.faq-item h3{font-size:1rem;margin:0 0 6px;color:var(--ink)}
.faq-item p{margin:0;color:var(--ink2);font-size:1rem}
.chip-n{color:var(--muted);font-variant-numeric:tabular-nums;font-size:1rem}

/* prose */
.prose{max-width:820px}
.prose h2{margin-top:1.6em}
.prose p,.prose li{color:var(--ink2)}

/* footer */
.site-footer{margin-top:48px;border-top:1px solid var(--line);background:#fff}
.ft-inner{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;padding:22px 0;font-size:1rem;color:var(--muted)}
.ft-inner a{color:var(--muted)}
.ft-inner a:hover{color:var(--accent-d)}

/* suggestions on narrow screens: pin to the field, wrap the meta line under the name */
@media (max-width:700px){
  .sug{left:0;right:0;width:auto;min-width:0;max-width:100%}
  .sug.sug-right{left:0;right:0}
  .sug-item{flex-wrap:wrap;align-items:flex-start}
  .sug-name{flex:1 1 100%}
  .sug-meta{flex:1 1 100%;color:#64748b}
}
/* filters on phones / tablets: two columns, nothing squeezed */
@media (max-width:760px){
  .filters form{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
}
/* filters on mid-size screens: three per row so the units in the labels never wrap */
@media (min-width:761px) and (max-width:1100px){
  .filters form{grid-template-columns:1.35fr 1fr 1fr}
}