/* ============================================================
   Bandwidth Allocation Calculator — theme
   Network/ISP palette: deep navy, signal cyan, electric blue.
   ============================================================ */

:root{
  --bg:#0a0e17;  --bg-2:#0d1320;
  --panel:#121a2a;  --panel-2:#0f1626;  --line:#1e2a40;  --line-2:#2a3a57;
  --text:#e8eef7;  --muted:#8695ad;  --dim:#5c6b84;

  --brand:#3b82f6;  --brand-2:#22d3ee;  --violet:#8b5cf6;
  --good:#34d399;   --warn:#fbbf24;     --bad:#f87171;

  --glow: 0 0 0 1px rgba(59,130,246,.25), 0 8px 30px -8px rgba(34,211,238,.25);
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px -12px rgba(0,0,0,.5);
  --r:14px;  --r-sm:10px;
}

@media (prefers-color-scheme: light){
  :root{
    --bg:#f4f7fb;  --bg-2:#eaf0f8;
    --panel:#ffffff;  --panel-2:#f5f8fc;  --line:#e2e8f2;  --line-2:#cfd9e8;
    --text:#0f1b2d;  --muted:#5d6f8a;  --dim:#8496ad;
    --brand:#2563eb;  --brand-2:#0891b2;  --violet:#7c3aed;
    --good:#059669;   --warn:#d97706;     --bad:#dc2626;
    --shadow: 0 1px 2px rgba(15,27,45,.06), 0 12px 28px -14px rgba(15,27,45,.18);
  }
}

*{box-sizing:border-box}

body{
  margin:0; padding:32px 24px 64px;
  background:var(--bg); color:var(--text);
  font:15px/1.55 "Segoe UI",system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}

/* Soft signal glow in the background */
body::before{
  content:''; position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(60rem 30rem at 8% -8%, color-mix(in srgb, var(--brand) 16%, transparent), transparent 60%),
    radial-gradient(48rem 28rem at 105% 5%, color-mix(in srgb, var(--brand-2) 13%, transparent), transparent 60%),
    radial-gradient(40rem 26rem at 50% 110%, color-mix(in srgb, var(--violet) 10%, transparent), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
}

.wrap{max-width:1080px; margin:0 auto}
.wrap.wide{max-width:1440px}
.wrap.narrow{max-width:400px; margin-top:10vh}

/* ---------- header ---------- */

.topbar{display:flex; justify-content:space-between; align-items:center; gap:20px;
        flex-wrap:wrap; margin-bottom:26px}
.brand{display:flex; align-items:center; gap:13px}
.logo{width:42px; height:42px; border-radius:12px; flex:0 0 auto; display:grid; place-items:center;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 8px 24px -8px color-mix(in srgb, var(--brand) 70%, transparent)}
.logo svg{width:22px; height:22px; stroke:#fff; fill:none; stroke-width:2; stroke-linecap:round}
h1{font-size:21px; margin:0; letter-spacing:-.01em}
.sub{color:var(--muted); font-size:13px; margin-top:2px}

.navlink{display:inline-flex; align-items:center; gap:7px; padding:8px 14px; border-radius:999px;
         border:1px solid var(--line); color:var(--muted); text-decoration:none; font-size:13px;
         font-weight:600; background:var(--panel); transition:.2s}
.navlink:hover{color:var(--text); border-color:var(--brand); transform:translateY(-1px)}

/* ---------- panels ---------- */

.panel{background:var(--panel); border:1px solid var(--line); border-radius:var(--r);
       padding:22px; margin-bottom:18px; box-shadow:var(--shadow)}
h2{font-size:11px; text-transform:uppercase; letter-spacing:.1em; color:var(--dim);
   margin:0 0 16px; font-weight:700; display:flex; align-items:center; gap:8px}
h2::before{content:''; width:3px; height:13px; border-radius:2px;
           background:linear-gradient(var(--brand), var(--brand-2))}

/* ---------- form ---------- */

.row{display:flex; gap:14px; flex-wrap:wrap; align-items:flex-end}
.field{flex:1 1 150px; min-width:130px}
label{display:block; font-size:11px; color:var(--muted); margin-bottom:6px;
      text-transform:uppercase; letter-spacing:.05em; font-weight:600}

input,select{width:100%; background:var(--panel-2); border:1px solid var(--line); color:var(--text);
      border-radius:var(--r-sm); padding:11px 13px; font:inherit; outline:none; transition:.18s}
input:hover,select:hover{border-color:var(--line-2)}
input:focus,select:focus{border-color:var(--brand);
      box-shadow:0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent)}
input[type=number]{text-align:right; font-variant-numeric:tabular-nums; font-weight:600}
input[type=checkbox]{width:auto; accent-color:var(--brand); cursor:pointer; transform:scale(1.15)}

button{background:linear-gradient(135deg, var(--brand), color-mix(in srgb, var(--brand-2) 55%, var(--brand)));
       color:#fff; border:0; border-radius:var(--r-sm); padding:11px 20px; font:inherit;
       font-weight:700; cursor:pointer; transition:.18s; white-space:nowrap;
       box-shadow:0 6px 18px -8px color-mix(in srgb, var(--brand) 80%, transparent)}
button:hover{transform:translateY(-1px); box-shadow:0 10px 24px -8px color-mix(in srgb, var(--brand) 90%, transparent)}
button:active{transform:translateY(0)}
button.ghost{background:transparent; border:1px solid var(--line); color:var(--text); box-shadow:none}
button.ghost:hover{border-color:var(--brand); color:var(--brand)}
button.big{padding:11px 28px; font-size:15px}
button[disabled]{opacity:.6; cursor:wait; transform:none}
button.x{background:transparent; border:0; box-shadow:none; color:var(--dim); padding:4px 6px;
         font-size:13px; line-height:1; border-radius:6px}
button.x:hover{color:var(--brand); background:var(--panel-2); transform:none}
button.x.del:hover{color:var(--bad)}

.actions{display:flex; gap:10px; margin-top:18px; flex-wrap:wrap; align-items:center}

/* ---------- cards ---------- */

.cards{display:grid; grid-template-columns:repeat(auto-fit,minmax(178px,1fr)); gap:12px}
.card{background:var(--panel-2); border:1px solid var(--line); border-radius:var(--r-sm);
      padding:15px 16px; position:relative; overflow:hidden; transition:.2s}
.card:hover{transform:translateY(-2px); border-color:var(--line-2)}
.card .k{font-size:10px; color:var(--muted); text-transform:uppercase; letter-spacing:.07em; font-weight:700}
.card .v{font-size:22px; font-weight:800; margin-top:5px; letter-spacing:-.02em;
         font-variant-numeric:tabular-nums}
.card .v small{font-size:11px; font-weight:600; color:var(--muted); letter-spacing:0}

.card.hero{border:0; color:#fff;
  background:linear-gradient(135deg, var(--brand), var(--violet));
  box-shadow:0 12px 30px -12px color-mix(in srgb, var(--brand) 85%, transparent)}
.card.hero .k{color:rgba(255,255,255,.8)}
.card.hero .v small{color:rgba(255,255,255,.75)}
.card.hero::after{content:''; position:absolute; inset:-40% -20% auto auto; width:150px; height:150px;
  border-radius:50%; background:rgba(255,255,255,.14); filter:blur(20px)}

.card.profit{border:0; color:#fff;
  background:linear-gradient(135deg, #0f9b6c, #34d399);
  box-shadow:0 12px 30px -12px rgba(52,211,153,.6)}
.card.profit.warn{background:linear-gradient(135deg,#b45309,#fbbf24); box-shadow:0 12px 30px -12px rgba(251,191,36,.55)}
.card.profit.bad{background:linear-gradient(135deg,#b91c1c,#f87171); box-shadow:0 12px 30px -12px rgba(248,113,113,.55)}
.card.profit .k{color:rgba(255,255,255,.85)}
.card.profit .v{font-size:26px}
.card.profit .v small{color:rgba(255,255,255,.8)}

.good{color:var(--good)} .warn{color:var(--warn)} .bad{color:var(--bad)}

/* ---------- revenue split bar ---------- */

.split{display:flex; height:16px; border-radius:999px; overflow:hidden; background:var(--panel-2);
       border:1px solid var(--line)}
.seg{height:100%; transform-origin:left; transition:width .7s cubic-bezier(.22,1,.36,1)}
.seg.comm{background:linear-gradient(90deg,#8b5cf6,#a78bfa)}
.seg.bw{background:linear-gradient(90deg,#3b82f6,#22d3ee)}
.seg.oth{background:linear-gradient(90deg,#64748b,#94a3b8)}
.seg.pft{background:linear-gradient(90deg,#10b981,#34d399)}
.seg.loss{background:repeating-linear-gradient(45deg,#f87171,#f87171 6px,#b91c1c 6px,#b91c1c 12px)}

.legend{display:flex; flex-wrap:wrap; gap:16px; margin-top:12px; font-size:12px; color:var(--muted)}
.legend span{display:inline-flex; align-items:center; gap:7px}
.dot{width:9px; height:9px; border-radius:3px; flex:0 0 auto}
.dot.comm{background:#8b5cf6} .dot.bw{background:#3b82f6}
.dot.oth{background:#94a3b8}  .dot.pft{background:#34d399}
.legend b{color:var(--text); font-variant-numeric:tabular-nums}

/* ---------- tables ---------- */

.tbl-scroll{overflow-x:auto; margin:0 -4px; padding:0 4px}
table{width:100%; border-collapse:collapse}
th,td{padding:11px 12px; text-align:right; border-bottom:1px solid var(--line); white-space:nowrap;
      font-variant-numeric:tabular-nums}
th{font-size:10px; color:var(--dim); text-transform:uppercase; letter-spacing:.07em; font-weight:700}
th:first-child,td:first-child{text-align:left; font-variant-numeric:normal}
tbody tr{transition:background .15s}
tbody tr:hover{background:var(--panel-2)}
tfoot td{font-weight:800; font-size:16px; border-top:2px solid var(--line-2); border-bottom:0; padding-top:14px}
td.nowrap{white-space:nowrap}
.marker{display:inline-block; width:8px; height:8px; border-radius:2px; margin-right:9px; vertical-align:1px}

/* Inline share bar behind the % columns in the admin table */
.pcbar{display:inline-block; width:38px; height:5px; border-radius:3px; margin-right:7px;
       background:var(--line); overflow:hidden; vertical-align:middle}
.pcbar i{display:block; height:100%; border-radius:3px;
         background:linear-gradient(90deg, var(--brand), var(--brand-2));
         transition:width .5s cubic-bezier(.22,1,.36,1)}
.pcbar.cost i{background:linear-gradient(90deg, var(--violet), #c084fc)}

/* Admin table: fits without side-scrolling */
table.fit{table-layout:fixed}
table.fit th,table.fit td{padding:9px 8px}
table.fit input{padding:8px 10px}
table.fit input.name{text-align:left; font-weight:700; letter-spacing:.02em}
tr.off{opacity:.45}

/* ---------- misc ---------- */

a{color:var(--brand); text-decoration:none}
a:hover{text-decoration:underline}
.hint{font-size:12px; color:var(--muted); margin-top:12px; line-height:1.6}
code{background:var(--panel-2); border:1px solid var(--line); padding:1px 6px; border-radius:5px;
     font-size:12px; font-family:ui-monospace,Consolas,monospace}
.flash{border-radius:var(--r-sm); padding:12px 14px; margin-bottom:16px; font-size:13px; font-weight:600;
       background:color-mix(in srgb, var(--good) 12%, transparent);
       border:1px solid color-mix(in srgb, var(--good) 40%, transparent); color:var(--good);
       animation:fadeUp .35s both}
.flash.err{background:color-mix(in srgb, var(--bad) 12%, transparent);
           border-color:color-mix(in srgb, var(--bad) 40%, transparent); color:var(--bad)}

.empty{text-align:center; padding:52px 20px; color:var(--muted)}
.empty .ring{width:64px; height:64px; margin:0 auto 18px; border-radius:50%;
  background:conic-gradient(from 180deg, var(--brand), var(--brand-2), var(--violet), var(--brand));
  -webkit-mask:radial-gradient(circle, transparent 56%, #000 57%);
          mask:radial-gradient(circle, transparent 56%, #000 57%);
  animation:spin 5s linear infinite}
.empty h3{margin:0 0 6px; font-size:16px; color:var(--text)}

.print-only{display:none}

.site-foot{text-align:center; margin:34px auto 0; padding-top:18px; max-width:1440px;
           border-top:1px solid var(--line); font-size:12px; color:var(--dim); letter-spacing:.02em}
.site-foot strong{color:var(--muted); font-weight:700}

/* ---------- animation ---------- */

@keyframes fadeUp{from{opacity:0; transform:translateY(14px)} to{opacity:1; transform:none}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{50%{opacity:.55}}

.reveal > *{animation:fadeUp .5s cubic-bezier(.22,1,.36,1) both}
.reveal > *:nth-child(1){animation-delay:.02s}
.reveal > *:nth-child(2){animation-delay:.10s}
.reveal > *:nth-child(3){animation-delay:.18s}
.reveal > *:nth-child(4){animation-delay:.26s}
.reveal > *:nth-child(5){animation-delay:.34s}
.busy{animation:pulse 1s ease-in-out infinite}
[hidden]{display:none !important}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important; transition:none !important}
}

/* ---------- responsive ---------- */

@media (max-width:720px){
  body{padding:20px 14px 48px}
  .card .v{font-size:19px}
  th,td{padding:9px 8px}
}

/* ============================================================
   Corporate report — hidden on screen, this IS the PDF.
   A4 portrait, one page, print-safe greys and a single navy accent.
   ============================================================ */

.report{display:none}

@media print{
  /* Zero page margin, and carry the white frame inside the document instead.
     That way "Margins: None/Minimum" in the print dialog cannot push text off the sheet. */
  @page{ size:A4 portrait; margin:0 }

  /* The interactive UI never prints. */
  body > *:not(.report){display:none !important}
  body::before{display:none}

  /* min-height:100vh from the screen theme would stretch the body to a full page and
     spill a blank second sheet — the report must define its own height. */
  html,body{height:auto; min-height:0; overflow:visible}

  body{background:#fff; color:#1a1a1a; padding:0; margin:0;
       font:10pt/1.42 "Segoe UI",Calibri,Arial,sans-serif;
       -webkit-print-color-adjust:exact; print-color-adjust:exact}

  .report{display:block; width:100%; max-width:210mm; margin:0 auto;
          padding:15mm 14mm 10mm; overflow:hidden; overflow-wrap:break-word}
  .report *{max-width:100%}
  .report section{break-inside:avoid; page-break-inside:avoid; margin-bottom:10pt}

  /* -- letterhead -- */
  .rep-head{display:flex; justify-content:space-between; align-items:flex-start; gap:12pt;
            border-bottom:2.5pt solid #14355c; padding-bottom:9pt; margin-bottom:13pt}
  .rep-org{display:flex; align-items:center; gap:10pt; min-width:0; flex:1 1 auto}
  .rep-org > div{min-width:0}
  .rep-mark{width:30pt; height:30pt; background:#14355c; color:#fff; border-radius:4pt;
            display:flex; align-items:center; justify-content:center;
            font-size:17pt; font-weight:700; line-height:1}
  .rep-co{font-size:14.5pt; font-weight:700; color:#14355c; letter-spacing:-.2pt; line-height:1.15;
          overflow-wrap:break-word}
  .rep-tag{font-size:8pt; color:#6b7684; letter-spacing:.4pt; text-transform:uppercase; margin-top:1pt;
           overflow-wrap:break-word}

  /* width:auto is deliberate — the screen rule table{width:100%} would otherwise stretch this
     meta table across the letterhead and squeeze the company name into several lines. */
  .rep-meta{width:auto; border-collapse:collapse; font-size:8pt; flex:0 0 auto; table-layout:auto}
  .rep-meta th{text-align:left; color:#6b7684; font-weight:600; padding:1pt 10pt 1pt 0;
               text-transform:uppercase; letter-spacing:.4pt; border:0; white-space:nowrap}
  .rep-meta td{text-align:right; color:#1a1a1a; font-weight:600; padding:1pt 0; border:0; white-space:nowrap}

  /* -- titles -- */
  .rep-title{font-size:13pt; font-weight:700; color:#14355c; margin:0 0 5pt;
             letter-spacing:-.2pt}
  .rep-lead{font-size:9.5pt; color:#3f4a58; margin:0 0 14pt; line-height:1.5;
            padding-left:8pt; border-left:2.5pt solid #d5dde7}

  .report h2{font-size:8.5pt; font-weight:700; color:#14355c; text-transform:uppercase;
             letter-spacing:.8pt; margin:0 0 6pt; padding-bottom:3pt;
             border-bottom:.75pt solid #d5dde7; display:block}
  .report h2::before{display:none}

  /* -- two-column facts -- */
  .rep-cols{display:flex; gap:16pt; margin-bottom:10pt}
  .rep-cols > section{flex:1 1 0; min-width:0; margin:0}

  .rep-tbl{width:100%; border-collapse:collapse; table-layout:fixed}
  .rep-tbl th{width:60%; text-align:left; font-weight:400; color:#4a5563; font-size:9pt;
              padding:3.5pt 4pt 3.5pt 0; border:0; border-bottom:.5pt dotted #ccd4de;
              white-space:normal; text-transform:none; letter-spacing:0; overflow-wrap:break-word}
  .rep-tbl td{width:40%; text-align:right; font-weight:700; color:#14355c; font-size:9pt;
              padding:3.5pt 0; border:0; border-bottom:.5pt dotted #ccd4de;
              font-variant-numeric:tabular-nums; white-space:nowrap; overflow:hidden}

  /* -- P&L statement -- */
  .rep-pl{width:100%; border-collapse:collapse; table-layout:fixed}
  .rep-pl th:nth-child(1){width:30%}
  .rep-pl th:nth-child(2){width:16%}
  .rep-pl th:nth-child(3){width:18%}
  .rep-pl th:nth-child(4){width:20%}
  .rep-pl th:nth-child(5){width:16%}
  .rep-pl thead th{background:#14355c; color:#fff; font-size:7.5pt; font-weight:700;
                   text-transform:uppercase; letter-spacing:.4pt; padding:5pt 6pt;
                   text-align:right; border:0}
  .rep-pl thead th:first-child{text-align:left}
  .rep-pl tbody td{font-size:9pt; padding:4.5pt 6pt; text-align:right; color:#1a1a1a;
                   border-bottom:.5pt solid #e3e8ee; font-variant-numeric:tabular-nums;
                   white-space:nowrap; overflow:hidden}
  .rep-pl tbody td:first-child{text-align:left; color:#3f4a58; white-space:normal;
                               overflow-wrap:break-word}
  .rep-pl tbody tr:nth-child(even) td{background:#f6f8fa}
  .rep-pl tfoot td{font-size:10pt; font-weight:700; padding:6pt 6pt; text-align:right;
                   color:#14355c; border-top:1.25pt solid #14355c; border-bottom:2.5pt double #14355c;
                   font-variant-numeric:tabular-nums; background:#eef2f7; white-space:nowrap}
  .rep-pl tfoot td:first-child{text-align:left}

  /* -- KPI strip -- */
  .rep-kpi{display:flex; gap:7pt}
  .rep-kpi > div{flex:1 1 0; min-width:0; border:.75pt solid #d5dde7; border-top:2.5pt solid #14355c;
                 border-radius:2pt; padding:6pt 5pt; text-align:center; background:#fafbfc}
  .rep-kpi span{display:block; font-size:7pt; color:#6b7684; text-transform:uppercase;
                letter-spacing:.4pt; font-weight:600; margin-bottom:2pt; overflow-wrap:break-word}
  .rep-kpi b{display:block; font-size:11pt; color:#14355c; font-variant-numeric:tabular-nums;
             overflow-wrap:break-word}

  /* -- signatures -- */
  .rep-sign{display:flex; gap:26pt; margin:26pt 0 0}
  .rep-sign > div{flex:1; font-size:8pt; color:#6b7684; text-align:center}
  .rep-sign span{display:block; border-bottom:.75pt solid #9aa5b1; height:26pt; margin-bottom:3pt}

  /* -- footer -- */
  .rep-foot{margin-top:12pt; padding-top:7pt; border-top:.75pt solid #d5dde7;
            font-size:7pt; color:#8a939e; line-height:1.5}
  .rep-foot strong{color:#5b6572}
  .rep-page{display:flex; justify-content:space-between; gap:10pt; margin-top:5pt;
            letter-spacing:.3pt}
  .rep-dev{font-weight:600; color:#5b6572}
}