/* Kwant Pomiar — panel. Palette and type taken from wzmacniacze-gsm.pl */
:root {
    --yellow: #FDB913;
    --ink: #16181B;
    --ink-deep: #0C0E10;
    --ink-soft: #2A2D31;
    --cream: #EAE7E0;
    --paper: #FBFAF7;
    --line: #E1DDD4;
    --muted: #585C61;
    --good: #43A047;
    --fair: #FDB913;
    --weak: #FF7A1A;
    --bad: #E53935;
    --none: #9E9E9E;
    --display: Anton, "Arial Narrow", Impact, sans-serif;
    --sans: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
    --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
    background: var(--cream);
    color: var(--ink);
    font: 16px/1.5 var(--sans);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); font-weight: 400; letter-spacing: .5px; margin: 0 0 .4em; line-height: 1.05; }
h1 { font-size: clamp(32px, 5vw, 48px); }
h2 { font-size: 26px; margin-top: 36px; }
h3 { font-size: 18px; text-transform: uppercase; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.main { flex: 1; width: 100%; padding-top: 28px; padding-bottom: 48px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); }
.num { font-family: var(--mono); text-align: right; }
.ok { color: var(--good); font-weight: 600; }
.warn { color: #C25400; font-weight: 600; }

/* --- top bar --- */
.topbar { background: var(--ink); color: #fff; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__mark { width: 36px; height: 36px; background: var(--yellow); display: flex; align-items: flex-end; justify-content: center; gap: 2px; padding-bottom: 7px; }
.brand__mark i { display: block; width: 4px; background: var(--ink); }
.brand__mark i:nth-child(1) { height: 7px; }
.brand__mark i:nth-child(2) { height: 12px; }
.brand__mark i:nth-child(3) { height: 17px; }
.brand__mark i:nth-child(4) { height: 22px; }
.brand__text b { display: block; font: 22px/1 var(--display); letter-spacing: .5px; }
.brand__text small { display: block; font: 700 9px/1.4 var(--mono); letter-spacing: 1.5px; color: var(--yellow); }
.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav a { color: #fff; text-decoration: none; padding: 8px 12px; font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--yellow); }
.nav a.is-active { box-shadow: inset 0 -3px 0 var(--yellow); }
.nav__user { font: 500 12px var(--mono); color: rgba(255, 255, 255, .5); padding: 0 8px 0 16px; }
.nav__logout { border: 1px solid rgba(255, 255, 255, .3); }

/* --- labels --- */
.overline { font: 500 11px var(--mono); letter-spacing: 1.5px; text-transform: uppercase; margin: 0 0 8px; display: flex; align-items: flex-end; gap: 8px; }
.bars { display: inline-flex; align-items: flex-end; gap: 2px; height: 11px; }
.bars i { display: block; width: 3px; background: currentColor; }
.bars i:nth-child(1) { height: 3px; } .bars i:nth-child(2) { height: 5px; } .bars i:nth-child(3) { height: 7px; }
.bars i:nth-child(4) { height: 9px; } .bars i:nth-child(5) { height: 11px; }
.crumbs { font: 500 12px var(--mono); letter-spacing: .5px; color: var(--muted); margin: 0 0 14px; }
.crumbs a { color: var(--ink); }
.tag { display: inline-block; font: 700 11px var(--mono); letter-spacing: .5px; padding: 2px 8px; border: 1px solid var(--ink); text-transform: uppercase; white-space: nowrap; }
.tag--dark { background: var(--ink); color: var(--yellow); }
.tag--warn { background: var(--weak); border-color: var(--weak); color: var(--ink); }
.count { display: inline-block; background: var(--ink); color: var(--yellow); font: 700 14px var(--mono); padding: 2px 8px; vertical-align: middle; }

/* --- buttons --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font: 700 15px var(--sans); text-decoration: none; cursor: pointer;
    padding: 12px 20px; border: 2px solid var(--ink); background: transparent; color: var(--ink);
    border-radius: 0; transition: transform .05s, background .15s;
}
.btn:active { transform: translateY(1px); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--ink-soft); }
.btn--yellow { background: var(--yellow); }
.btn--yellow:hover { background: #ffc93f; }
.btn--outline:hover { background: var(--ink); color: #fff; }
.btn--danger { border-color: var(--bad); color: var(--bad); }
.btn--danger:hover { background: var(--bad); color: #fff; }
.btn--sm { padding: 6px 12px; font-size: 13px; }
.btn--block { width: 100%; }

/* --- cards / forms --- */
.card { background: var(--paper); border: 1px solid var(--line); padding: 20px; }
.empty { color: var(--muted); text-align: center; padding: 32px; }
.form { display: flex; flex-direction: column; gap: 14px; max-width: 420px; }
.form--wide { max-width: 720px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 14px; }
.form label.check { flex-direction: row; align-items: center; gap: 8px; font-weight: 500; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
input, textarea, select {
    font: 16px var(--sans); color: var(--ink); background: #fff;
    border: 2px solid var(--ink); border-radius: 0; padding: 10px 12px; width: 100%;
}
input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--ink); }
input:focus, textarea:focus, select:focus { outline: 3px solid var(--yellow); outline-offset: 0; }
.form__actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 20px; }
.form__actions form { margin: 0; }
.flash { padding: 12px 16px; margin-bottom: 20px; border: 2px solid var(--ink); font-weight: 600; }
.flash--ok { background: var(--yellow); }
.flash--err { background: #fff; border-color: var(--bad); color: var(--bad); }

/* --- login --- */
.login { max-width: 420px; margin: 40px auto; }

/* --- lists --- */
.pagehead { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.search { display: flex; gap: 8px; margin-bottom: 20px; max-width: 560px; }
.table-wrap { overflow-x: auto; background: var(--paper); border: 1px solid var(--line); }
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th { background: var(--ink); color: rgba(255, 255, 255, .75); font: 500 11px var(--mono); letter-spacing: 1px; text-transform: uppercase; text-align: left; padding: 10px 12px; white-space: nowrap; }
.table td { padding: 10px 12px; border-top: 1px solid var(--line); vertical-align: middle; }
.table tbody tr[onclick] { cursor: pointer; }
.table tbody tr:hover td { background: #fff7e0; }
.table tr.is-off td { opacity: .5; }
.table a { text-decoration: none; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.actions form { margin: 0; }
.inline-pass { display: flex; gap: 4px; }
.inline-pass input { width: 130px; padding: 5px 8px; font-size: 13px; border-width: 1px; }

/* --- signal badge --- */
.dbm { display: inline-block; min-width: 54px; text-align: center; font: 22px/1 var(--display); padding: 8px 6px; color: #fff; }
.dbm--good { background: var(--good); }
.dbm--fair { background: var(--fair); color: var(--ink); }
.dbm--weak { background: var(--weak); color: var(--ink); }
.dbm--bad { background: var(--bad); }
.dbm--none { background: var(--none); }

/* --- client page --- */
.client-head { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start; }
.note { background: var(--paper); border-left: 4px solid var(--yellow); padding: 8px 12px; margin: 12px 0; }
.codebox { background: var(--ink); color: #fff; padding: 20px 24px; display: flex; flex-direction: column; gap: 6px; min-width: 300px; max-width: 380px; }
.codebox .overline { color: var(--yellow); margin: 0; }
.codebox.is-new { outline: 4px solid var(--yellow); }
.codebox.is-off .code { text-decoration: line-through; opacity: .5; }
.code { font: 700 44px/1.1 var(--mono); letter-spacing: 4px; color: var(--yellow); }
.code--sm { font-size: 15px; letter-spacing: 1.5px; color: var(--ink); background: var(--yellow); padding: 2px 8px; }

/* --- measurement page --- */
.hero { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; background: var(--yellow); padding: 24px; margin-bottom: 20px; border-left: 12px solid var(--none); }
.hero--good { border-left-color: var(--good); } .hero--fair { border-left-color: var(--ink); }
.hero--weak { border-left-color: var(--weak); } .hero--bad { border-left-color: var(--bad); }
.hero h1 { margin-bottom: 10px; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; margin: 0; }
.bigdbm { background: var(--ink); color: #fff; padding: 14px 20px; display: flex; flex-direction: column; align-items: flex-end; min-width: 200px; }
.bigdbm__val { font: 64px/1 var(--display); color: var(--yellow); }
.bigdbm__unit { font: 500 12px var(--mono); letter-spacing: 1px; color: rgba(255, 255, 255, .6); }
.bigdbm__label { font: 20px var(--display); margin-top: 4px; }
.hero--good .bigdbm__val { color: var(--good); } .hero--weak .bigdbm__val { color: var(--weak); } .hero--bad .bigdbm__val { color: var(--bad); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 0 0 12px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }
.raw { margin-top: 24px; }
.raw summary { cursor: pointer; font-weight: 700; }
.raw pre { font: 12px/1.4 var(--mono); max-height: 520px; overflow: auto; background: var(--ink); color: #e8e8e8; padding: 14px; }

.footer { background: var(--ink-deep); color: rgba(255, 255, 255, .45); font-size: 13px; padding: 18px 0; }

@media (max-width: 720px) {
    .client-head { grid-template-columns: 1fr; }
    .codebox { min-width: 0; max-width: none; }
    .form .row { grid-template-columns: 1fr; }
    .nav__user { display: none; }
}