/* Page-specific styles for swimming-glossary.html. Shared navigation and footer are provided by styles.css. */

:root{
  --glossary-bg:#0b0f14;
  --glossary-panel:#121923;
  --glossary-panel-hover:#17212d;
  --glossary-border:rgba(255,255,255,.10);
  --glossary-text:#ffffff;
  --glossary-muted:#aab6c3;
  --glossary-accent:#57c7ff;
  --glossary-accent-soft:#a9e4ff;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--glossary-bg);color:var(--glossary-text)}

.glossary-page{min-height:100vh;overflow:hidden}
.glossary-shell{width:min(1180px,100%);margin:0 auto}

.glossary-hero{
  position:relative;
  padding:10rem 1.5rem 5rem;
  border-bottom:1px solid var(--glossary-border);
  overflow:hidden;
  background:
    linear-gradient(90deg,rgba(10,15,21,.94) 0%,rgba(10,15,21,.83) 52%,rgba(10,15,21,.76) 100%),
    radial-gradient(circle at 82% 30%,rgba(87,199,255,.17),transparent 34rem),
    #0b0f14;
}

.glossary-hero::before{
  content:"";
  position:absolute;
  width:40rem;
  height:40rem;
  top:-18rem;
  right:-10rem;
  border-radius:50%;
  background:rgba(87,199,255,.14);
  filter:blur(78px);
  pointer-events:none;
}

.glossary-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);
  align-items:center;
  gap:3rem;
}

.eyebrow{
  margin:0 0 1rem;
  color:var(--glossary-accent);
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.18em;
  text-transform:uppercase;
}

.hero-title,
.glossary-hero h1{
  max-width:850px;
  margin:0;
  font-size:clamp(3rem,7vw,6.2rem);
  line-height:.95;
  letter-spacing:-.055em;
}

.hero-copy{
  max-width:720px;
  margin:1.5rem 0 0;
  color:var(--glossary-muted);
  font-size:clamp(1rem,2vw,1.18rem);
  line-height:1.75;
}

.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}

.button{
  display:inline-flex;
  min-height:3rem;
  align-items:center;
  justify-content:center;
  border:1px solid transparent;
  border-radius:999px;
  padding:.82rem 1.2rem;
  text-decoration:none;
  font:inherit;
  font-size:.92rem;
  font-weight:800;
  transition:.2s ease;
  cursor:pointer;
}

.button-primary{background:var(--glossary-accent);color:#071017}
.button-primary:hover{transform:translateY(-2px);background:var(--glossary-accent-soft)}
.button-secondary{border-color:var(--glossary-border);background:transparent;color:var(--glossary-text)}
.button-secondary:hover{border-color:var(--glossary-accent);color:var(--glossary-accent-soft)}

.hero-summary{
  border:1px solid var(--glossary-border);
  border-radius:24px;
  padding:1.5rem;
  background:linear-gradient(145deg,rgba(87,199,255,.11),rgba(18,25,35,.9) 50%);
  box-shadow:0 28px 75px rgba(0,0,0,.24);
}
.hero-summary-label{color:var(--glossary-accent-soft);font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.hero-summary h2{margin:.7rem 0 .75rem;font-size:1.55rem;line-height:1.2}
.hero-summary p{margin:0;color:var(--glossary-muted);line-height:1.65}
.summary-list{display:grid;gap:.7rem;margin:1.3rem 0 0;padding:0;list-style:none}
.summary-list li{display:flex;gap:.7rem;align-items:flex-start;color:#dce7ef;font-size:.92rem;line-height:1.45}
.summary-list li::before{content:"✓";color:var(--glossary-accent);font-weight:900}

.quick-note{
  display:flex;
  gap:.8rem;
  align-items:flex-start;
  margin-top:2rem;
  padding:1rem 1.1rem;
  border:1px solid rgba(87,199,255,.28);
  border-radius:16px;
  background:rgba(87,199,255,.07);
  color:var(--glossary-accent-soft);
}
.quick-note strong{color:#fff}

.main{padding:5rem 1.5rem}
.glossary-section{padding-top:5rem}
.glossary-section:first-of-type{padding-top:0}

.controls{
  position:sticky;
  top:92px;
  z-index:30;
  margin-bottom:2.25rem;
  padding:1rem;
  border:1px solid var(--glossary-border);
  border-radius:22px;
  background:rgba(18,25,35,.94);
  backdrop-filter:blur(18px);
  box-shadow:0 24px 60px rgba(0,0,0,.22);
}
.search-wrap{position:relative}
.search-wrap svg{position:absolute;top:50%;left:1rem;width:20px;height:20px;transform:translateY(-50%);color:var(--glossary-muted);pointer-events:none}
.search{width:100%;min-height:52px;padding:.85rem 3rem;border:1px solid var(--glossary-border);border-radius:14px;outline:none;background:#0b0f14;color:var(--glossary-text)}
.search:focus{border-color:rgba(87,199,255,.6);box-shadow:0 0 0 4px rgba(87,199,255,.08)}
.clear-search{position:absolute;right:.6rem;top:50%;transform:translateY(-50%);border:0;background:transparent;color:var(--glossary-muted);cursor:pointer;padding:.5rem}
.filters{display:flex;gap:.55rem;overflow-x:auto;padding-top:.8rem;scrollbar-width:none}
.filters::-webkit-scrollbar{display:none}
.filter{white-space:nowrap;border:1px solid var(--glossary-border);border-radius:999px;padding:.52rem .82rem;background:transparent;color:var(--glossary-muted);cursor:pointer;font-size:.88rem;font-weight:800;transition:.2s ease}
.filter.active,.filter:hover{border-color:rgba(87,199,255,.45);background:rgba(87,199,255,.08);color:var(--glossary-accent-soft)}

.section-heading{display:flex;justify-content:space-between;align-items:end;gap:1rem;margin-bottom:2.25rem}
.section-heading h2{margin:0;font-size:clamp(2rem,4vw,3.45rem);line-height:1.02;letter-spacing:-.04em}
.section-heading p:not(.eyebrow){margin:1rem 0 0;color:var(--glossary-muted);line-height:1.75;font-size:1.02rem}
.result-count{color:var(--glossary-muted);font-size:.9rem;white-space:nowrap}

.glossary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem}
.term-card{min-width:0;border:1px solid var(--glossary-border);border-radius:22px;background:var(--glossary-panel);transition:.22s ease;overflow:hidden}
.term-card:hover{transform:translateY(-3px);border-color:rgba(87,199,255,.42);background:var(--glossary-panel-hover);box-shadow:0 24px 60px rgba(0,0,0,.22)}
.term-button{width:100%;display:grid;grid-template-columns:auto 1fr auto;gap:.85rem;align-items:center;padding:1.15rem;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer}
.term-code{min-width:62px;padding:.42rem .58rem;border:1px solid rgba(87,199,255,.26);border-radius:12px;background:rgba(87,199,255,.08);color:var(--glossary-accent-soft);text-align:center;font-size:.82rem;font-weight:900;letter-spacing:.02em}
.term-title{font-weight:800;line-height:1.25}
.term-category{display:block;margin-top:.2rem;color:var(--glossary-muted);font-size:.78rem;font-weight:600}
.chevron{color:var(--glossary-accent);transition:transform .2s ease}
.term-card.open .chevron{transform:rotate(180deg)}
.term-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s ease}
.term-card.open .term-panel{grid-template-rows:1fr}
.term-panel-inner{overflow:hidden}
.term-content{padding:0 1.15rem 1.15rem;border-top:1px solid transparent;color:var(--glossary-muted);line-height:1.65}
.term-card.open .term-content{padding-top:1rem;border-top-color:var(--glossary-border)}
.term-content p:last-child{margin-bottom:0}
.example{margin-top:.8rem;padding:.75rem .85rem;border-left:3px solid var(--glossary-accent);border-radius:0 10px 10px 0;background:rgba(87,199,255,.06);color:#dce7ef;font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:.88rem;overflow-wrap:anywhere}

.notation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.info-card{border:1px solid var(--glossary-border);border-radius:20px;padding:1.25rem;background:var(--glossary-panel)}
.info-card h3{margin:0 0 .55rem;font-size:1.12rem}
.info-card p{margin:0;color:var(--glossary-muted);font-size:.92rem;line-height:1.62}

.set-breakdown{display:grid;grid-template-columns:.9fr 1.1fr;gap:1.25rem;align-items:start}
.set-box{border:1px solid rgba(87,199,255,.3);border-radius:26px;padding:clamp(1.3rem,4vw,2rem);background:linear-gradient(145deg,rgba(87,199,255,.1),var(--glossary-panel) 46%);color:#dff4ff;font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;white-space:pre-wrap;overflow-x:auto}
.breakdown-list{display:grid;gap:.75rem}
.breakdown-item{border:1px solid var(--glossary-border);border-radius:16px;padding:1rem;background:rgba(11,15,20,.45)}
.breakdown-item strong{display:block;margin-bottom:.35rem;color:var(--glossary-accent-soft)}
.breakdown-item span{color:var(--glossary-muted);font-size:.9rem;line-height:1.5}

.empty-state{display:none;padding:2rem;border:1px dashed rgba(87,199,255,.35);border-radius:18px;text-align:center;color:var(--glossary-muted)}
.empty-state.show{display:block}
.help-card{display:flex;align-items:center;justify-content:space-between;gap:2rem;margin-top:5rem;border:1px solid rgba(87,199,255,.35);border-radius:28px;padding:clamp(1.5rem,4vw,2.6rem);background:linear-gradient(135deg,rgba(87,199,255,.14),rgba(18,25,35,.9))}
.help-card h2{margin:0;font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-.035em}
.help-card p:not(.eyebrow){max-width:650px;margin:.8rem 0 0;color:var(--glossary-muted);line-height:1.7}
.help-card .button{flex-shrink:0}
.hidden{display:none!important}
#glossary,#read-a-set{scroll-margin-top:120px}

@media(max-width:1050px){
  .glossary-hero-grid,.set-breakdown{grid-template-columns:1fr}
  .glossary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .notation-grid{grid-template-columns:1fr}
}

@media(max-width:680px){
  .glossary-hero{padding:7.5rem 1.1rem 3.5rem}
  .main{padding:3.5rem 1.1rem}
  .glossary-section{padding-top:3.5rem}
  .glossary-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .button{width:100%}
  .section-heading{align-items:flex-start;flex-direction:column}
  .controls{top:82px;padding:.75rem}
  .help-card{align-items:stretch;flex-direction:column}
  .help-card .button{width:100%}
  .term-code{min-width:54px}
}

/* CSS calculator */
.css-calculator-panel{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);
  gap:1.25rem;
  align-items:stretch;
}

.css-calculator-form,
.css-result-card{
  border:1px solid var(--glossary-border,rgba(255,255,255,.10));
  border-radius:26px;
  padding:clamp(1.25rem,4vw,2rem);
  background:var(--glossary-panel,#121923);
}

.css-calculator-form{
  display:grid;
  gap:1rem;
}

.css-test-group{
  border:1px solid var(--glossary-border,rgba(255,255,255,.10));
  border-radius:19px;
  padding:1.2rem;
  background:rgba(11,15,20,.42);
}

.css-test-heading{
  display:flex;
  gap:.85rem;
  align-items:flex-start;
  margin-bottom:1rem;
}

.css-test-number{
  display:grid;
  width:2.6rem;
  height:2.6rem;
  flex:0 0 2.6rem;
  place-items:center;
  border:1px solid rgba(87,199,255,.28);
  border-radius:12px;
  background:rgba(87,199,255,.08);
  color:#a9e4ff;
  font-size:.76rem;
  font-weight:900;
  letter-spacing:.08em;
}

.css-test-heading h3{
  margin:0 0 .2rem;
  font-size:1.08rem;
}

.css-test-heading p{
  margin:0;
  color:var(--glossary-muted,#aab6c3);
  font-size:.9rem;
  line-height:1.5;
}

.css-time-inputs{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.8rem;
}

.css-input-group{
  display:grid;
  gap:.4rem;
}

.css-input-group span{
  color:#dce7ef;
  font-size:.8rem;
  font-weight:800;
}

.css-input-group input{
  width:100%;
  min-height:3.2rem;
  border:1px solid var(--glossary-border,rgba(255,255,255,.10));
  border-radius:13px;
  padding:.75rem .9rem;
  outline:none;
  background:#0b0f14;
  color:#fff;
  font:inherit;
  font-size:1rem;
}

.css-input-group input::placeholder{
  color:#687786;
}

.css-input-group input:focus{
  border-color:#57c7ff;
  box-shadow:0 0 0 4px rgba(87,199,255,.09);
}

.css-calculator-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.7rem;
  margin-top:.25rem;
}

.css-error{
  min-height:1.5rem;
  margin:0;
  color:#ff9d9d;
  font-size:.9rem;
  line-height:1.5;
}

.css-result-card{
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:center;
  overflow:hidden;
  border-color:rgba(87,199,255,.3);
  background:
    radial-gradient(circle at 90% 5%,rgba(87,199,255,.17),transparent 15rem),
    linear-gradient(145deg,rgba(87,199,255,.09),#121923 52%);
}

.css-result-card::before{
  content:"";
  position:absolute;
  width:11rem;
  height:11rem;
  right:-5rem;
  bottom:-5rem;
  border:1px solid rgba(87,199,255,.12);
  border-radius:50%;
}

.css-result-label{
  position:relative;
  color:#a9e4ff;
  font-size:.76rem;
  font-weight:900;
  letter-spacing:.14em;
  text-transform:uppercase;
}

.css-result-value{
  position:relative;
  margin:.7rem 0 0;
  color:#fff;
  font-size:clamp(3.5rem,8vw,5.7rem);
  font-weight:900;
  line-height:.95;
  letter-spacing:-.06em;
}

.css-result-unit{
  position:relative;
  margin-top:.4rem;
  color:#aab6c3;
  font-size:1rem;
  font-weight:700;
}

.css-result-copy{
  position:relative;
  max-width:430px;
  margin:1.25rem 0;
  color:#aab6c3;
  line-height:1.65;
}

.css-pace-grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.7rem;
}

.css-pace-item{
  border:1px solid rgba(255,255,255,.10);
  border-radius:14px;
  padding:.8rem;
  background:rgba(11,15,20,.5);
}

.css-pace-item span{
  display:block;
  margin-bottom:.2rem;
  color:#aab6c3;
  font-size:.75rem;
  font-weight:700;
}

.css-pace-item strong{
  color:#fff;
  font-size:1.05rem;
}

.css-calculator-note{
  margin-top:1rem;
  border:1px solid rgba(87,199,255,.24);
  border-radius:18px;
  padding:1rem 1.15rem;
  background:rgba(87,199,255,.06);
}

.css-calculator-note strong{
  display:block;
  margin-bottom:.25rem;
  color:#a9e4ff;
}

.css-calculator-note p{
  margin:0;
  color:#aab6c3;
  font-size:.92rem;
  line-height:1.6;
}

@media(max-width:900px){
  .css-calculator-panel{
    grid-template-columns:1fr;
  }
}

@media(max-width:560px){
  .css-time-inputs,
  .css-pace-grid{
    grid-template-columns:1fr 1fr;
  }

  .css-calculator-actions{
    flex-direction:column;
  }

  .css-calculator-actions .button{
    width:100%;
  }

  .css-result-value{
    font-size:4rem;
  }
}

/* Calculator containment fixes */
.css-calculator-section{
  width:100%;
  min-width:0;
}

.css-calculator-section .section-heading-wrap{
  max-width:760px;
  margin-bottom:2.25rem;
}

.css-calculator-section .section-title{
  margin:0;
  font-size:clamp(2rem,4vw,3.45rem);
  line-height:1.02;
  letter-spacing:-.04em;
}

.css-calculator-section .section-copy{
  margin:1rem 0 0;
  color:var(--glossary-muted);
  line-height:1.75;
  font-size:1.02rem;
}

.css-calculator-panel,
.css-calculator-form,
.css-result-card,
.css-test-group,
.css-time-inputs,
.css-input-group,
.css-calculator-note{
  width:100%;
  min-width:0;
}

.css-input-group input{
  max-width:100%;
  box-sizing:border-box;
}

@media(max-width:900px){
  .css-calculator-panel{
    grid-template-columns:minmax(0,1fr);
  }
}

@media(max-width:420px){
  .css-time-inputs,
  .css-pace-grid{
    grid-template-columns:1fr;
  }
}