/* Strelok Pro web app. Palette and type follow the marketing site (src/pages/layout.ts). */
:root{
  --bg:#0a0e0b;--bg-soft:#0d1310;--panel:#101711;--panel-2:#0d140f;--field:#0b110d;
  --line:#1c2a20;--line-bright:#28402e;
  --text:#e5eee7;--muted:#a3b2a8;--dim:#7d8c82;
  --accent:#22c55e;--accent-hover:#34d873;--accent-deep:#16a34a;--accent-glow:rgba(34,197,94,.13);
  --on-accent:#04120a;--warn:#f0b34a;--warn-bg:rgba(240,179,74,.1);--danger:#f87171;--danger-bg:rgba(248,113,113,.1);
  --focus:#4ade80;--appbar-bg:rgba(10,14,11,.96);--glow:0 0 22px rgba(34,197,94,.35);
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --tabbar-h:62px;
  color-scheme:dark;
}
:root[data-theme="daylight"]{
  --bg:#f3f6f3;--bg-soft:#eaf0eb;--panel:#ffffff;--panel-2:#f8fbf8;--field:#ffffff;
  --line:#c9d4cc;--line-bright:#8fa596;
  --text:#06110a;--muted:#33433a;--dim:#4a5a4f;
  --accent:#15803d;--accent-hover:#166534;--accent-deep:#15803d;--accent-glow:rgba(21,128,61,.09);
  --on-accent:#ffffff;--warn:#7a4f00;--warn-bg:rgba(180,120,0,.1);--danger:#b91c1c;--danger-bg:rgba(185,28,28,.07);
  --focus:#15803d;--appbar-bg:rgba(243,246,243,.97);--glow:none;
  color-scheme:light;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
[hidden]{display:none !important}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.5;
  -webkit-font-smoothing:antialiased;min-height:100vh;
  padding-bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  background-image:radial-gradient(900px 420px at 80% -10%,rgba(34,197,94,.07),transparent 60%);
  background-repeat:no-repeat;
}
:root[data-theme="daylight"] body{background-image:none}
a{color:var(--accent)}
a:hover{color:var(--accent-hover)}
img,svg{display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
::selection{background:rgba(34,197,94,.3)}
.visually-hidden{position:absolute !important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.mono{font-family:var(--mono)}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--accent);color:var(--on-accent);
  padding:10px 16px;border-radius:10px;font-weight:700;text-decoration:none}
.skip-link:focus{top:10px}
.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.icon-dot{fill:currentColor;stroke:none}

/* ---------- app bar and tabs ---------- */
.appbar{position:sticky;top:0;z-index:50;background:var(--appbar-bg);border-bottom:1px solid var(--line);
  padding-top:env(safe-area-inset-top)}
.appbar-inner{max-width:1180px;margin:0 auto;height:56px;padding:0 max(14px,env(safe-area-inset-left));
  display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:750;font-size:17px;letter-spacing:.01em;margin-right:auto;min-height:44px}
.brand:hover{color:var(--text)}
.brand-icon{width:30px;height:30px;border-radius:8px;border:1px solid var(--line-bright)}
.appbar-actions{display:flex;align-items:center;gap:8px}
.plus-badge{font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);border:1px solid var(--accent-deep);background:var(--accent-glow);border-radius:999px;
  padding:6px 11px;text-decoration:none;white-space:nowrap}
.upgrade-link{display:inline-flex;align-items:center;min-height:40px;background:var(--accent);color:var(--on-accent);
  font-weight:700;font-size:14px;padding:0 14px;border-radius:10px;text-decoration:none}
.upgrade-link:hover{background:var(--accent-hover);color:var(--on-accent)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:11px;
  border:1px solid var(--line-bright);background:transparent;color:var(--text)}
.icon-btn:hover{border-color:var(--accent)}

.tabs{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:repeat(5,1fr);
  background:var(--appbar-bg);border-top:1px solid var(--line-bright);padding-bottom:env(safe-area-inset-bottom)}
.tab{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:var(--tabbar-h);color:var(--muted);text-decoration:none;font-size:11.5px;font-weight:600;letter-spacing:.01em}
.tab:hover{color:var(--text)}
.tab[aria-current="page"]{color:var(--accent)}
.tab[aria-current="page"]::before{content:"";position:absolute;top:0;left:22%;right:22%;height:3px;border-radius:0 0 3px 3px;background:var(--accent)}
.tab:focus-visible{outline-offset:-4px}

.offline-banner{background:var(--warn-bg);border-top:1px solid rgba(240,179,74,.35);color:var(--text);
  font-size:14px;padding:8px 16px;text-align:center}
.offline-banner strong{color:var(--warn)}

/* ---------- layout ---------- */
main{max-width:1180px;margin:0 auto;padding:16px max(14px,env(safe-area-inset-left)) 28px}
main:focus{outline:none}
.view-head{margin:4px 0 14px}
.view-title{font-size:26px;font-weight:800;letter-spacing:-.015em;line-height:1.2}
.view-title:focus{outline:none}
.view-sub{color:var(--muted);font-size:15px;margin-top:2px}
.panel{background:linear-gradient(165deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:16px;padding:16px}
:root[data-theme="daylight"] .panel{background:var(--panel)}
.block{margin-bottom:26px}
.block-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.block-head h3{font-size:19px;font-weight:750}
.hint{color:var(--muted);font-size:14px}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--accent);border:1px solid var(--line-bright);
  border-radius:5px;padding:2px 7px;vertical-align:3px;margin-left:6px;background:var(--accent-glow)}
.notice{border:1px solid var(--line-bright);border-left:4px solid var(--accent);background:var(--accent-glow);
  border-radius:12px;padding:12px 14px;margin-bottom:16px}
.app-footer{margin-top:40px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:13.5px;
  display:flex;flex-direction:column;gap:6px}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 18px}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--text)}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;min-width:0}
.field label,.field-label{font-size:14.5px;font-weight:600;color:var(--text)}
.unit{font-family:var(--mono);font-size:12.5px;font-weight:600;color:var(--muted);margin-left:4px}
.optional{font-size:12.5px;font-weight:500;color:var(--muted);margin-left:4px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field-row.three{grid-template-columns:repeat(3,1fr)}
input[type="text"],input[type="number"],select{width:100%;min-height:48px;padding:10px 12px;border-radius:10px;
  border:1px solid var(--line-bright);background:var(--field);color:var(--text);font-size:17px}
input[type="number"]{font-family:var(--mono);-moz-appearance:textfield;appearance:textfield}
input[type="number"]::-webkit-inner-spin-button,input[type="number"]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
input::placeholder{color:var(--dim);opacity:1}
input:focus-visible,select:focus-visible{outline:3px solid var(--focus);outline-offset:1px;border-color:var(--accent)}
input[aria-invalid="true"],select[aria-invalid="true"]{border-color:var(--danger);box-shadow:0 0 0 1px var(--danger)}
select{appearance:none;-webkit-appearance:none;padding-right:38px;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%2394a599' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;background-size:18px}
select:disabled{opacity:.6;cursor:not-allowed}
.input-big{font-size:30px !important;font-weight:650;text-align:center;min-height:60px !important}
.stepper{display:grid;grid-template-columns:60px 1fr 60px;gap:8px}
.step-btn{border:1px solid var(--line-bright);background:var(--panel-2);color:var(--text);border-radius:12px;font-size:26px;font-weight:600;min-height:60px}
.step-btn:hover{border-color:var(--accent)}
.step-btn:active{background:var(--accent-glow)}
.field-error{color:var(--danger);font-size:13.5px;font-weight:600}
.field-status{font-size:14px;color:var(--muted);min-height:1.4em}
.field-status.is-error{color:var(--danger);font-weight:600}
.form-error{border:1px solid var(--danger);border-left-width:4px;background:var(--danger-bg);border-radius:10px;
  padding:10px 12px;font-size:14.5px;margin-bottom:14px}
.group{border:0;border-top:1px solid var(--line);padding:14px 0 0;margin:6px 0 10px}
.group legend{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);padding-right:10px}
.check-field{display:flex;align-items:center;gap:10px;min-height:44px;margin-bottom:8px}
.check-field input{width:22px;height:22px;accent-color:var(--accent);flex:none}
.check-field label{font-size:15px;font-weight:600}
details.more > summary,details.more-inline > summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;
  min-height:44px;font-weight:650;font-size:15px}
details.more > summary::-webkit-details-marker,details.more-inline > summary::-webkit-details-marker{display:none}
details.more > summary::after,details.more-inline > summary::after{content:"+";font-family:var(--mono);font-size:20px;color:var(--accent)}
details[open].more > summary::after,details[open].more-inline > summary::after{content:"−"}
.details-body{padding-top:8px}
details.more-inline{margin-top:4px}
.link-btn{background:none;border:0;color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:3px;
  padding:6px 0;min-height:36px;font-size:14px}
.link-btn:hover{color:var(--accent-hover)}
.input-with-btn{display:flex;gap:8px}
.input-with-btn input{flex:1;min-width:0;letter-spacing:.04em}

/* segmented (radio) controls */
.segmented{display:inline-grid;grid-auto-flow:column;grid-auto-columns:1fr;border:1px solid var(--line-bright);
  border-radius:11px;padding:3px;gap:3px;background:var(--field);min-width:100%}
.segmented input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.segmented label{display:flex;align-items:center;justify-content:center;min-height:42px;padding:0 12px;border-radius:8px;
  font-weight:650;font-size:14.5px;color:var(--muted);cursor:pointer;text-align:center;line-height:1.2}
.segmented input:checked + label{background:var(--accent);color:var(--on-accent)}
.segmented input:focus-visible + label{outline:3px solid var(--focus);outline-offset:2px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 18px;border-radius:11px;
  font-weight:650;font-size:15.5px;border:1px solid transparent;text-decoration:none;line-height:1.2;text-align:center}
.btn .icon{width:18px;height:18px}
.btn-primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:var(--on-accent)}
.btn-secondary{background:transparent;color:var(--text);border-color:var(--line-bright)}
.btn-secondary:hover{border-color:var(--accent);color:var(--text)}
.btn-ghost{background:transparent;color:var(--muted);border-color:transparent}
.btn-ghost:hover{color:var(--text)}
.btn-danger{background:transparent;color:var(--danger);border-color:var(--danger)}
.btn-danger:hover{background:var(--danger-bg)}
.btn-small{min-height:40px;padding:0 13px;font-size:14px;border-radius:9px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed}
.btn-block{width:100%}

/* ---------- solve ---------- */
.solve-layout{display:grid;gap:16px}
.result-card{background:linear-gradient(160deg,var(--panel),var(--panel-2));border:1px solid var(--line-bright);border-radius:18px;
  padding:16px;font-family:var(--mono);box-shadow:0 24px 60px -30px rgba(0,0,0,.8);transition:opacity .15s}
:root[data-theme="daylight"] .result-card{background:var(--panel);box-shadow:none;border-width:2px}
.result-card.is-stale .hold-value,.result-card.is-stale .result-stats dd{opacity:.45}
.result-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.result-profile{font-family:var(--sans);font-size:15px;font-weight:650;color:var(--muted);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.result-range{font-size:22px;font-weight:700;color:var(--text);white-space:nowrap}
.holds{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:14px 0 6px}
.hold{display:flex;flex-direction:column;gap:2px;min-width:0}
.hold-label{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.hold-main{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}
.hold-value{font-size:clamp(44px,14vw,76px);font-weight:700;line-height:1;color:var(--accent);text-shadow:var(--glow);letter-spacing:-.02em}
.hold-unit{font-size:14px;font-weight:600;color:var(--muted)}
.hold-dir{font-size:clamp(20px,6vw,28px);font-weight:800;letter-spacing:.06em;color:var(--text);min-height:1.2em}
.hold-clicks{font-size:14px;color:var(--muted);min-height:1.3em}
.angle-toggle{display:inline-flex;border:1px solid var(--line-bright);border-radius:10px;padding:3px;gap:3px;margin:4px 0 12px}
.seg-btn{min-height:40px;min-width:68px;padding:0 12px;border:0;border-radius:7px;background:transparent;color:var(--muted);
  font-family:var(--mono);font-weight:700;font-size:13.5px}
.seg-btn[aria-pressed="true"]{background:var(--accent);color:var(--on-accent)}
.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.result-stats > div{background:var(--panel-2);padding:9px 10px;min-width:0}
:root[data-theme="daylight"] .result-stats > div{background:var(--panel)}
.result-stats dt{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-family:var(--sans);font-weight:600}
.result-stats dd{font-size:16px;font-weight:650;color:var(--text);overflow-wrap:anywhere;line-height:1.3}
.stat-unit{font-size:12px;font-weight:600;color:var(--muted);white-space:nowrap}
.click-info{font-family:var(--sans);font-size:13px;color:var(--muted);margin:2px 0 4px;min-height:1.2em}
.warnings{list-style:none;margin-top:12px;display:flex;flex-direction:column;gap:6px;font-family:var(--sans)}
.warnings li{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:var(--warn);background:var(--warn-bg);border-radius:9px;padding:8px 10px}
.warnings li::before{content:"!";flex:none;display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;
  border:1.5px solid currentColor;font-weight:800;font-size:12px;margin-top:1px}
.result-status{margin-top:10px;font-family:var(--sans);font-size:13.5px;color:var(--muted);min-height:1.4em}
.result-status.is-error{color:var(--danger);font-weight:600}
.upsell{margin-top:12px;border:1px solid var(--accent-deep);background:var(--accent-glow);border-radius:12px;padding:14px;font-family:var(--sans)}
.upsell-title{font-weight:750;font-size:16px}
.upsell-text{color:var(--muted);font-size:14px;margin-top:2px}
.upsell-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.wind-row{display:grid;grid-template-columns:1fr 78px;gap:12px;align-items:center}
.wind-dial{width:78px;height:78px}
.dial-ring{fill:var(--field);stroke:var(--line-bright);stroke-width:2}
.dial-tick{stroke:var(--muted);stroke-width:2}
.dial-target{fill:var(--accent)}
.dial-arrow{fill:none;stroke:var(--accent);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}
.dial-center{fill:var(--text)}
#wind-arrow{transition:transform .2s}

/* ---------- range card ---------- */
.card-controls{margin-bottom:14px}
.card-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.card-status{font-size:14px;color:var(--muted);min-height:1.4em;margin:0 0 8px}
.card-status.is-error{color:var(--danger);font-weight:600}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--panel-2);-webkit-overflow-scrolling:touch}
:root[data-theme="daylight"] .table-wrap{background:var(--panel)}
.range-table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:15px}
.range-table th{position:sticky;top:0;background:var(--panel);color:var(--muted);font-family:var(--sans);font-size:12px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;text-align:right;padding:10px 12px;border-bottom:1px solid var(--line-bright);white-space:nowrap}
.range-table th .th-unit{display:block;font-family:var(--mono);font-size:11px;text-transform:none;letter-spacing:0;color:var(--dim);font-weight:600}
.range-table td{text-align:right;padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.range-table tbody tr:nth-child(even){background:rgba(127,160,135,.05)}
.range-table tbody tr:hover{background:var(--accent-glow)}
.range-table th:first-child,.range-table td:first-child{text-align:left;position:sticky;left:0;background:var(--panel);font-weight:700;color:var(--text)}
.range-table tbody th{font-family:var(--mono);font-size:15px;text-transform:none;letter-spacing:0;color:var(--text);font-weight:700;
  text-align:left;top:auto;padding:9px 12px;border-bottom:1px solid var(--line)}
.range-table .dir{color:var(--muted);font-size:12.5px;margin-left:3px}
.chart-figure{margin-top:16px}
.chart-figure figcaption{font-weight:700;font-size:15px;margin-bottom:8px}
.chart{width:100%;height:auto}
.chart-grid{stroke:var(--line);stroke-width:1}
.chart-axis{stroke:var(--line-bright);stroke-width:1.5}
.chart-los{stroke:var(--muted);stroke-width:1.2;stroke-dasharray:5 4}
.chart-line{fill:none;stroke:var(--accent);stroke-width:2.6;stroke-linejoin:round;stroke-linecap:round}
.chart-point{fill:var(--accent)}
.chart-label{fill:var(--muted);font-family:var(--mono);font-size:11px}
.chart-title{fill:var(--text);font-family:var(--sans);font-size:12px;font-weight:600}
.print-head{display:none}

/* ---------- profiles ---------- */
.profile-list{list-style:none;display:grid;gap:10px}
.profile-item{display:grid;gap:10px;background:linear-gradient(165deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:14px;padding:14px}
:root[data-theme="daylight"] .profile-item{background:var(--panel)}
.profile-item.is-selected{border-color:var(--accent-deep)}
.profile-name{font-weight:750;font-size:16.5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.profile-meta{font-family:var(--mono);font-size:13px;color:var(--muted);margin-top:2px}
.profile-actions{display:flex;flex-wrap:wrap;gap:8px}
.badge{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line-bright);border-radius:6px;padding:2px 7px;color:var(--muted);font-weight:600}
.badge.is-accent{color:var(--accent);border-color:var(--accent-deep);background:var(--accent-glow)}
.empty{border:1px dashed var(--line-bright);border-radius:14px;padding:18px;color:var(--muted);text-align:center;font-size:14.5px}

/* ---------- tools ---------- */
.tools-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr));align-items:start}
.tool h3{font-size:18px;font-weight:750;margin-bottom:2px}
.tool > .hint{margin-bottom:12px}
.tool-result{display:flex;flex-direction:column;gap:2px;border:1px solid var(--line-bright);border-radius:12px;padding:12px 14px;margin:4px 0 12px;background:var(--field)}
.tool-result-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
.tool-result-value{font-family:var(--mono);font-size:34px;font-weight:700;color:var(--accent);line-height:1.15}
.tool-result-alt{font-family:var(--mono);font-size:14px;color:var(--muted);min-height:1.3em}
.conv-results{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.conv-item{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:10px;padding:9px 11px;background:var(--field);min-width:0}
.conv-item.is-source{border-color:var(--accent-deep)}
.conv-value{font-family:var(--mono);font-size:17px;font-weight:650;overflow-wrap:anywhere}
.conv-unit{font-size:12.5px;color:var(--muted)}

/* ---------- premium ---------- */
.premium-grid{display:grid;gap:16px;margin-bottom:16px}
.unlocks h3,.plans-wrap h3,#license-form h3,.truing h3,.license-status h3,.claim-panel h3{font-size:18px;font-weight:750;margin-bottom:8px}
.checklist{list-style:none;display:flex;flex-direction:column;gap:9px}
.checklist li{position:relative;padding-left:26px;font-size:15px}
.checklist li::before{content:"";position:absolute;left:2px;top:6px;width:13px;height:7px;border-left:2.5px solid var(--accent);border-bottom:2.5px solid var(--accent);transform:rotate(-45deg)}
.checklist.compact li{font-size:14.5px}
.plans{display:grid;gap:12px}
.plan{position:relative;border:1px solid var(--line);border-radius:15px;padding:16px;background:linear-gradient(170deg,var(--panel),var(--panel-2));display:flex;flex-direction:column;gap:6px}
:root[data-theme="daylight"] .plan{background:var(--panel)}
.plan.featured{border-color:var(--accent-deep);box-shadow:0 0 0 1px rgba(34,197,94,.25)}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.plan-name{font-family:var(--mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700}
.plan.featured .plan-name{color:var(--accent)}
.plan-badge{font-size:11.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--on-accent);background:var(--accent);border-radius:999px;padding:3px 10px}
.plan-price{font-size:28px;font-weight:800;letter-spacing:-.02em}
.plan-price small{font-size:14px;font-weight:600;color:var(--muted)}
.plan-blurb{font-size:14px;color:var(--muted)}
.plan .btn{margin-top:6px}
.legal-line{font-size:13px;color:var(--muted);margin-top:12px}
.legal-line a{color:var(--text);text-decoration:underline;text-underline-offset:2px}
#license-form{margin-bottom:16px}
.license-status,.claim-panel{margin-bottom:16px;border-color:var(--accent-deep)}
.status-grid{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:15px;margin:6px 0 14px}
.status-grid dt{color:var(--muted)}
.status-grid dd{font-weight:650}
.pill{display:inline-block;font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:2px 10px}
.pill.is-ok{color:var(--on-accent);background:var(--accent)}
.pill.is-bad{color:var(--danger);border:1px solid var(--danger)}
.key-box{font-family:var(--mono);font-size:clamp(17px,5vw,24px);font-weight:700;letter-spacing:.06em;color:var(--accent);
  border:2px dashed var(--accent-deep);border-radius:12px;padding:14px;text-align:center;overflow-wrap:anywhere;background:var(--field);margin:10px 0}
.button-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.truing{margin-bottom:16px}
.obs-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin:10px 0}
.obs-row{display:grid;grid-template-columns:1fr 1fr;gap:8px 10px;border:1px solid var(--line);border-radius:12px;padding:10px;background:var(--field)}
.obs-row .field{margin-bottom:0}
.obs-row-foot{display:flex;justify-content:flex-end;align-items:flex-end}
ol.guide{padding-left:22px;color:var(--muted);font-size:14px;display:flex;flex-direction:column;gap:4px;margin:4px 0 8px}
.truing-result h4{font-size:15px;font-weight:750;margin-bottom:8px}
.truing-result .button-row{margin-top:12px}
#truing-form > .button-row{margin-top:0}
.obs-title{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.truing-result{margin-top:12px;border:1px solid var(--accent-deep);border-radius:12px;padding:12px 14px;background:var(--accent-glow)}
.truing-result dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-family:var(--mono);font-size:15px}
.truing-result dt{color:var(--muted);font-family:var(--sans)}
.truing-result dd{font-weight:700}
.band-list{list-style:none;display:flex;flex-direction:column;gap:8px;margin:8px 0}
.band-row{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;align-items:end}
.band-row .field{margin-bottom:0}

/* ---------- dialogs and toast ---------- */
.dialog{margin:auto;border:1px solid var(--line-bright);border-radius:18px;background:var(--panel);color:var(--text);
  width:min(520px,calc(100vw - 24px));max-height:calc(100dvh - 24px);padding:0;box-shadow:0 30px 80px -20px rgba(0,0,0,.7)}
.dialog::backdrop{background:rgba(0,0,0,.62)}
.dialog-body{padding:20px;overflow:auto}
.dialog-title{font-size:20px;font-weight:800;letter-spacing:-.01em}
.dialog-text{color:var(--muted);margin:8px 0 12px}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;flex-wrap:wrap}
.dialog-actions.stack{flex-direction:column}
.dialog-actions.stack .btn{width:100%}
.setting{border:0;margin-top:16px}
.setting legend{font-weight:700;font-size:15px;margin-bottom:8px}
.setting .hint{margin-top:6px}
.dialog-sheet{width:100%;max-width:100%;height:100%;max-height:100%;border-radius:0;border:0}
.editor{display:flex;flex-direction:column;height:100%}
.editor-head{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;padding:10px 12px;padding-top:max(10px,env(safe-area-inset-top));
  border-bottom:1px solid var(--line);background:var(--panel)}
.editor-head .dialog-title{text-align:center;font-size:17px}
.editor-body{flex:1;overflow-y:auto;padding:12px 16px 20px;-webkit-overflow-scrolling:touch}
.editor-foot{display:grid;grid-template-columns:1fr 2fr;gap:10px;padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--panel)}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--tabbar-h) + 14px + env(safe-area-inset-bottom));z-index:90;
  display:flex;align-items:center;gap:12px;max-width:min(560px,calc(100vw - 24px));background:var(--panel);color:var(--text);
  border:1px solid var(--line-bright);border-radius:12px;padding:10px 12px 10px 16px;box-shadow:0 18px 40px -12px rgba(0,0,0,.6);font-size:14.5px}

/* ---------- wider screens ---------- */
@media (min-width:640px){
  .profile-item{grid-template-columns:1fr auto;align-items:center}
  .plans{grid-template-columns:repeat(3,1fr)}
  .premium-grid{grid-template-columns:1fr}
}
@media (min-width:900px){
  body{padding-bottom:0}
  .appbar{backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
  .appbar-inner{height:64px;padding:0 24px}
  .brand{margin-right:10px}
  .tabs{position:static;display:flex;gap:4px;margin-right:auto;border:0;background:transparent;padding:0}
  .tab{flex-direction:row;height:44px;padding:0 12px;border-radius:10px;font-size:14.5px;gap:7px}
  .tab .icon{width:18px;height:18px}
  .tab:hover{background:var(--accent-glow)}
  .tab[aria-current="page"]{background:var(--accent-glow)}
  .tab[aria-current="page"]::before{top:auto;bottom:-10px;left:12px;right:12px;height:3px;border-radius:3px 3px 0 0}
  main{padding:24px 24px 40px}
  .view-title{font-size:30px}
  .solve-layout{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:start}
  .solve-results{position:sticky;top:84px;order:2}
  .solve-form{order:1}
  .result-card{padding:20px 22px}
  .toast{bottom:24px}
  .dialog-sheet{width:min(720px,calc(100vw - 48px));height:auto;max-height:calc(100dvh - 48px);border-radius:18px;border:1px solid var(--line-bright)}
  .editor{max-height:calc(100dvh - 48px)}
}
@media (min-width:1100px){
  .premium-grid{grid-template-columns:.8fr 1.2fr}
}
@media (max-width:480px){
  .input-with-btn{flex-direction:column}
  .input-with-btn .btn{width:100%}
}
@media (max-width:370px){
  .field-row.three{grid-template-columns:1fr 1fr}
  .result-stats{grid-template-columns:repeat(2,1fr)}
  .brand-name{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* ---------- print (range card) ---------- */
@media print{
  :root,:root[data-theme="daylight"]{--bg:#fff;--panel:#fff;--panel-2:#fff;--field:#fff;--text:#000;--muted:#333;--dim:#444;--line:#bbb;--line-bright:#666;--accent:#000;--accent-deep:#000;--glow:none;color-scheme:light}
  @page{margin:12mm}
  body{background:#fff !important;color:#000;padding:0 !important;font-size:11pt}
  .appbar,.tabs,.skip-link,.toast,.app-footer,.no-print,.upsell,.offline-banner,dialog,.card-status{display:none !important}
  main{max-width:none;padding:0}
  .print-head{display:block;margin-bottom:8pt}
  .print-brand{font-weight:800;font-size:15pt}
  .print-meta{font-size:10pt;color:#222}
  .table-wrap{overflow:visible;border:0;border-radius:0;background:#fff}
  .range-table{font-size:10pt}
  .range-table th{position:static;background:#e8e8e8 !important;color:#000;border-bottom:1.5pt solid #000;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .range-table th .th-unit{color:#333}
  .range-table td{border-bottom:.5pt solid #999;padding:4pt 8pt}
  .range-table th:first-child,.range-table td:first-child{position:static;background:transparent}
  .range-table tbody tr:nth-child(even){background:#f3f3f3 !important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  tr{break-inside:avoid}
  .warnings li{color:#000;background:none;border:.5pt solid #999}
  .chart-figure{border:0;padding:0;margin-top:10pt;break-inside:avoid;background:#fff}
  .chart-line{stroke:#000}
  .chart-point{fill:#000}
  .chart-label,.chart-title{fill:#000}
  .chart-grid{stroke:#ccc}
}