/*! styles.css — One Rep Max & Strength Calculators v3 (all styles).
   Extracted verbatim from the single-file v3 build. */
*, *::before, *::after { box-sizing: border-box; }

:root{
  --bg:#f3f0ea;
  --panel:#ffffff;
  --surface:#f7f4ee;
  --line:#d8d2c6;
  --fg:#1c1a17;
  --muted:#6e665c;
  --accent:#a83b1e;
  --accent-2:#f5e3da;
  --accent-fg:#ffffff;
  --ok:#2d5a3d;
  --ok-bg:#e5efe6;
  --warn:#8a6400;
  --warn-bg:#f5efd5;
  --err:#9c2b2b;
  --err-bg:#f5e0e0;
  --radius:6px;
  --shadow:0 1px 2px rgba(28,26,23,0.05);
}
:root[data-theme="dark"]{
  --bg:#191816;
  --panel:#232120;
  --surface:#2a2725;
  --line:#3c3934;
  --fg:#ebe5db;
  --muted:#a29a8e;
  --accent:#dd8262;
  --accent-2:#3a2820;
  --accent-fg:#191816;
  --ok:#7eb68c;
  --ok-bg:#26372a;
  --warn:#d4ad55;
  --warn-bg:#3a3120;
  --err:#e07a7a;
  --err-bg:#3a2222;
  --shadow:0 1px 2px rgba(0,0,0,0.35);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#191816;
    --panel:#232120;
    --surface:#2a2725;
    --line:#3c3934;
    --fg:#ebe5db;
    --muted:#a29a8e;
    --accent:#dd8262;
    --accent-2:#3a2820;
    --accent-fg:#191816;
    --ok:#7eb68c;
    --ok-bg:#26372a;
    --warn:#d4ad55;
    --warn-bg:#3a3120;
    --err:#e07a7a;
    --err-bg:#3a2222;
    --shadow:0 1px 2px rgba(0,0,0,0.35);
  }
}

html,body{margin:0;padding:0;}
body{
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4{
  font-family: Georgia, "Iowan Old Style", "Charter", "Times New Roman", serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}
h1{font-size:1.4rem;margin:0;}
h2{font-size:1.35rem;margin:0 0 .7rem;font-weight:700;}
h3{font-size:1.05rem;margin:1.1rem 0 .5rem;font-weight:600;}

.big, .meet-big, #tm2-display, #mt-timer, #game-streak,
input[type=number]{
  font-family: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-variant-numeric: tabular-nums;
}

header{
  background: #2a2622;
  color: #f0ebe3;
  border-bottom: 3px solid var(--accent);
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
}
:root[data-theme="dark"] header{background:#141312;}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) header{background:#141312;}
}
header h1{
  color: #f0ebe3;
  font-size: 25px;
  max-width: 640px;
}
header .unit-switch{
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: .85rem;
  color: #c4bdb2;
}
header .unit-switch label{
  display: flex;
  align-items: center;
  gap: 8px;
  color: #c4bdb2;
  font-weight: 500;
  margin: 0;
}
header .unit-switch select{
  width: auto;
  background: #3a352e;
  color: #f0ebe3;
  border-color: #4a443c;
}
header .pill{
  background: #3a352e;
  color: #e4ddce;
  border-color: #4a443c;
}

.group-bar{
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 24px 0;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  align-items: center;
}
.group-bar > span{flex:1;}
.group-btn{
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 10px 12px 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  border-radius: 0;
}
.group-btn:hover{color: var(--fg);}
.group-btn.active{
  color: var(--fg);
  border-bottom-color: var(--fg);
}
.group-btn:focus-visible{outline: 2px solid var(--accent); outline-offset: -2px;}

nav#tabs{
  display: flex;
  gap: 0;
  padding: 0 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  min-height: 52px;
}
.tab-btn{
  flex-shrink: 0;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 15px 14px 13px;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  border-radius: 0;
}
.tab-btn:hover{color: var(--fg); background: transparent;}
.tab-btn.active{
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: transparent;
}
.tab-btn:focus-visible{outline: 2px solid var(--accent); outline-offset: -2px;}

main{padding: 28px 24px 56px; max-width: 1180px; margin: 0 auto;}
.tab-panel{display: block;}
.tab-panel[hidden]{display: none;}

.grid{display: grid; grid-template-columns: minmax(280px, 360px) minmax(0, 1fr); gap: 20px; align-items: start;}
.grid-1{display: grid; grid-template-columns: 1fr; gap: 20px;}
.grid > *, .grid-1 > *{min-width: 0;}

.card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

label{
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg);
}
label > input, label > select, label > textarea{
  display: block;
  width: 100%;
  margin-top: 5px;
}
input, select, textarea, button{font: inherit; color: inherit;}

input[type=text], input[type=number], input[type=date], input[type=search], select, textarea{
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  color: var(--fg);
  min-height: 38px;
  max-width: 100%;
  min-width: 0;
}
input[type=number]{font-weight: 500;}
input:hover, select:hover, textarea:hover{border-color: var(--accent);}
input:focus, select:focus, textarea:focus{
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}
textarea{resize: vertical;}
input, select, textarea{accent-color: var(--accent);}
input[aria-invalid="true"]{border-color: var(--err);}

button{
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--fg);
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  min-height: 38px;
}
button:hover{background: var(--surface); border-color: var(--accent);}
button:focus-visible{outline: 2px solid var(--accent); outline-offset: 1px;}
button.primary{background: var(--accent); color: var(--accent-fg); border-color: var(--accent);}
button.primary:hover{background: var(--accent); filter: brightness(1.08);}
button.danger{color: var(--err); border-color: var(--line);}
button.danger:hover{background: var(--err-bg); border-color: var(--err);}

.row{display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px;}
.row.tight{gap: 6px;}
.row-btns{display: flex; flex-wrap: wrap; gap: 8px; margin: .6rem 0;}

.field-error{
  display: block;
  color: var(--err);
  font-size: 12px;
  margin-top: 3px;
  font-weight: 500;
}

.big{
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--fg);
  line-height: 1.1;
  margin: .25rem 0 .75rem;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}
.meet-big{
  font-size: 2.6rem;
  font-weight: 700;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
#tm2-display{font-size: 3rem;}
#tm2-display.done{color: var(--ok);}

.muted{color: var(--muted); font-size: 13px; line-height: 1.55;}
.error{color: var(--err); font-size: 13px; min-height: 1.2em; margin: .3rem 0 0;}
.error:empty{min-height: 0; margin: 0;}
.warn{color: var(--warn); font-size: 13px; line-height: 1.55;}
.ok{color: var(--ok); font-size: 13px; line-height: 1.55;}

.breakdown{
  font-family: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 12.5px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px 12px;
  margin: 12px 0;
  white-space: pre-wrap;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.pill{
  display: inline-block;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  background: var(--accent-2);
  color: var(--accent);
  border: 1px solid transparent;
  letter-spacing: .02em;
}
.pill:empty{display: none;}
.pill.good{background: var(--ok-bg); color: var(--ok);}
.pill.bad{background: var(--err-bg); color: var(--err);}
.pill.lock{background: var(--surface); color: var(--muted); border-color: var(--line);}

.status-pill{
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  background: var(--accent-2);
  color: var(--accent);
}
.status-pill.ok{background: var(--ok-bg); color: var(--ok);}
.status-pill.warn{background: var(--warn-bg); color: var(--warn);}
.status-pill.err{background: var(--err-bg); color: var(--err);}

.table-scroll{
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  margin-top: 12px;
}
table{
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
  margin: 0;
  font-variant-numeric: tabular-nums;
}
th, td{
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 8px 12px;
  text-align: left;
}
th{
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .01em;
}
tbody tr:nth-child(even){background: var(--surface);}
tbody tr:last-child td{border-bottom: 0;}
tbody tr:hover{background: var(--accent-2);}
td:first-child{font-weight: 500;}

.checkgrid{display: flex; flex-wrap: wrap; gap: 8px 16px;}
.checkgrid label{
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  font-size: 13px;
  color: var(--fg);
  font-weight: 400;
}
.checkgrid input{width: auto; margin: 0; min-height: 0;}
.inv-grid{display: grid; grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 10px;}
.inv-grid label{margin: 0; font-size: 12px;}

.plate-diagram{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  margin: 1rem 0;
  min-height: 130px;
}
.plate{width: 14px; border-radius: 2px; border: 1px solid rgba(0,0,0,.25);}
.plate-chip{
  display: inline-block;
  min-width: 2.3rem;
  text-align: center;
  padding: 2px 5px;
  margin: 1px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(0,0,0,.2);
}

.meter{
  height: 8px;
  background: var(--surface);
  border-radius: 3px;
  overflow: hidden;
  margin: .25rem 0;
}
.meter > div, .meter > i{
  display: block;
  height: 100%;
  background: var(--accent);
  transition: width .2s;
}
.meter.warn > div, .meter.warn > i{background: var(--warn);}
.meter.bad > div, .meter.bad > i{background: var(--err);}

.archetype{
  text-align: center;
  padding: 20px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
}
.archetype .archetype-name{
  font-family: Georgia, "Iowan Old Style", serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--fg);
  margin: .2rem 0;
}
.archetype .archetype-tag{color: var(--muted); font-size: .9rem;}

.banner{
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 13px;
  margin-bottom: .75rem;
}
.noscript-wrap{
  padding: 1rem;
  background: var(--warn-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  margin: 1rem;
}

.record{
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px;
  margin-bottom: .5rem;
  background: var(--panel);
}
.record .rec-head{
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
  justify-content: space-between;
}
.badge-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}
.badge{
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px;
  background: var(--panel);
}
.badge.locked{background: var(--surface); color: var(--muted);}
.badge .badge-name{font-weight: 600; font-size: 13.5px;}
.badge .badge-desc{font-size: 12px; color: var(--muted); margin-top: 3px;}
.badge.unlocked{border-color: var(--ok);}
.badge.unlocked .badge-name{color: var(--ok);}

.game-barbell{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin: 1rem 0;
  min-height: 150px;
}
.game-option{
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  cursor: pointer;
  font-weight: 600;
  min-width: 90px;
  text-align: center;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.game-option:hover{border-color: var(--accent); background: var(--accent-2);}
.game-option.correct{background: var(--ok-bg); border-color: var(--ok); color: var(--ok);}
.game-option.wrong{background: var(--err-bg); border-color: var(--err); color: var(--err);}

.meet-grid{display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem;}
.meet-grid button{padding: 12px 6px; font-size: 14px; border-radius: 4px;}
.att-good{background: var(--ok) !important; color: #fff !important; border-color: var(--ok) !important;}
.att-bad{background: var(--err) !important; color: #fff !important; border-color: var(--err) !important;}

.program-week{margin-top: .75rem;}
.program-week table{font-size: 12.5px;}
.comparison-grid{display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;}
.comparison-card{border: 1px solid var(--line); border-radius: 4px; padding: 12px;}
.comparison-card.win{border-color: var(--ok); background: var(--ok-bg);}
.session-row{
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr auto;
  gap: .4rem;
  margin-bottom: .4rem;
  align-items: end;
}

.attempt-input{width: 90px;}
.hidden{display: none !important;}
details{margin-top: .6rem;}
summary{cursor: pointer; font-size: 13px; color: var(--accent); padding: 6px 0; font-weight: 500;}

.toast{
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 4px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
  z-index: 100;
  max-width: calc(100vw - 32px);
  text-align: center;
}
.toast.show{opacity: 1;}

kbd{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0 .3rem;
  font-size: 12px;
  font-family: ui-monospace, Menlo, monospace;
}
.undo-bar{
  position: fixed;
  left: 50%;
  bottom: 1.2rem;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--bg);
  padding: 10px 14px;
  border-radius: 6px;
  display: flex;
  gap: 12px;
  align-items: center;
  z-index: 9999;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  font-size: 13px;
}
.undo-bar button{
  background: transparent;
  color: inherit;
  border: 1px solid currentColor;
  border-radius: 3px;
  padding: 3px 10px;
  cursor: pointer;
  min-height: auto;
  font-size: 12px;
}
.lg-del{padding: 2px 8px !important; min-height: auto !important; font-size: 12px;}

.qr-box{
  display: flex;
  justify-content: center;
  padding: 12px;
  background: #fff;
  border-radius: 4px;
}

.sr-only{
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

:root.hc{
  --fg: #000;
  --muted: #222;
  --line: #000;
  --accent: #8a2d10;
  --bg: #fff;
  --panel: #fff;
  --surface: #f3f3f3;
}
:root.hc[data-theme="dark"]{
  --fg: #fff;
  --muted: #e6e6e6;
  --line: #fff;
  --accent: #ffa375;
  --bg: #000;
  --panel: #000;
  --surface: #1a1a1a;
}
:root.hc *:focus-visible{outline: 3px solid var(--accent) !important; outline-offset: 2px;}

@media (max-width: 860px){
  .grid{grid-template-columns: minmax(0, 1fr);}
  header{padding: 18px 20px;}
  header h1{font-size: 22px;}
  main{padding: 22px 20px 44px;}
}
@media (max-width: 640px){
  header{padding: 16px; gap: 12px;}
  header h1{font-size: 20px; line-height: 1.3;}
  header .unit-switch{width: 100%;}
  .group-bar{padding: 6px 16px 0; gap: 2px;}
  .group-bar > span{display: none;}
  .group-btn{padding: 9px 8px 7px; font-size: 12px;}
  #lang-select{margin-left: auto;}
  nav#tabs{padding: 0 16px; gap: 0;}
  .tab-btn{padding: 13px 10px 11px; font-size: 13px;}
  main{padding: 20px 16px 40px;}
  .grid, .grid-1{gap: 14px;}
  .card{padding: 16px;}
  .big{font-size: 2rem;}
  input[type=text], input[type=number], input[type=date], input[type=search], select, textarea{font-size: 16px;}
  button{min-height: 42px;}
  .row > button{flex: 1 1 auto;}
  th, td{padding: 7px 10px;}
  .comparison-grid{grid-template-columns: minmax(0, 1fr);}
  .meet-grid{grid-template-columns: repeat(3, minmax(0, 1fr));}
  .meet-grid button{font-size: 13px; overflow-wrap: anywhere;}
  .attempt-input{width: 72px;}
  .session-row{grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);}
}
@media (pointer: coarse){
  button, select, input[type="number"], input[type="text"], input[type="date"]{min-height: 44px;}
  .tab-btn{min-height: 40px;}
}
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{transition: none !important; animation: none !important;}
}

/* v3.1: site footer (semantic landmark for SEO/a11y) */
.site-footer{margin:0 auto 24px;padding:14px 24px 0;max-width:1180px;color:var(--muted);font-size:0.85rem;text-align:center;border-top:1px solid var(--line);}
.site-footer p{margin:0;}

@media print{
  header, nav, .group-bar, .no-print, #toast, .undo-bar{display: none !important;}
  .tab-panel[hidden]{display: none !important;}
  body{background: #fff; color: #000;}
  .card{border: 0; padding: 0; box-shadow: none;}
  main{padding: 0; max-width: none;}
  .table-scroll{overflow: visible; border: 0;}
  th, td{border-bottom: 1px solid #999; padding: 5px 6px;}
  .big, .meet-big{color: #000;}
}