/* The Rowing Drills Compendium — static SPA styles */

:root {
  --bg: #f6f4ef;
  --bg-elev: #fffdf9;
  --bg-card: #ffffff;
  --ink: #20242b;
  --ink-soft: #56606e;
  --ink-faint: #8a93a0;
  --line: #e4e0d6;
  --line-strong: #d4cfc2;
  --accent: #15607a;        /* deep water */
  --accent-soft: #e3eef2;
  --feel: #b8581b;          /* the "feel" headline accent */
  --feel-soft: #f6ead9;
  --fm: #9a7400;
  --fm-soft: #f6efd4;
  --master: #6d3b8e;
  --master-soft: #efe5f6;
  --shadow: 0 1px 2px rgba(30,30,40,.05), 0 4px 14px rgba(30,30,40,.06);
  --radius: 12px;
  --sidebar-w: 248px;
  --topbar-h: 56px;
  --maxw: 880px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --bg-elev: #1b1f26;
    --bg-card: #1e232b;
    --ink: #e7eaef;
    --ink-soft: #a9b2bf;
    --ink-faint: #79828f;
    --line: #2b313b;
    --line-strong: #3a414d;
    --accent: #56b6d6;
    --accent-soft: #15303a;
    --feel: #e9a45f;
    --feel-soft: #3a2c1b;
    --fm: #d8b64a;
    --fm-soft: #332c14;
    --master: #c79be6;
    --master-soft: #2c2138;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 18px rgba(0,0,0,.25);
  }
}
:root[data-theme="light"] {
  --bg: #f6f4ef; --bg-elev: #fffdf9; --bg-card: #fff; --ink: #20242b; --ink-soft: #56606e;
  --ink-faint: #8a93a0; --line: #e4e0d6; --line-strong: #d4cfc2; --accent: #15607a;
  --accent-soft: #e3eef2; --feel: #b8581b; --feel-soft: #f6ead9; --fm: #9a7400; --fm-soft: #f6efd4;
  --master: #6d3b8e; --master-soft: #efe5f6; --shadow: 0 1px 2px rgba(30,30,40,.05), 0 4px 14px rgba(30,30,40,.06);
}
:root[data-theme="dark"] {
  --bg: #14171c; --bg-elev: #1b1f26; --bg-card: #1e232b; --ink: #e7eaef; --ink-soft: #a9b2bf;
  --ink-faint: #79828f; --line: #2b313b; --line-strong: #3a414d; --accent: #56b6d6;
  --accent-soft: #15303a; --feel: #e9a45f; --feel-soft: #3a2c1b; --fm: #d8b64a; --fm-soft: #332c14;
  --master: #c79be6; --master-soft: #2c2138; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 18px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 122px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font: .86em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--accent-soft); padding: .08em .35em; border-radius: 5px; }

.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 8px; top: 8px; z-index: 100; background: var(--bg-card); padding: 8px 12px; border-radius: 8px; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 12px;
  padding: 0 14px;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-title { font-weight: 650; letter-spacing: -.01em; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.topbar-title .oar { font-size: 1.1em; }
.topbar-tools { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.search-wrap { position: relative; display: flex; align-items: center; }
#search {
  width: min(46vw, 360px);
  padding: 8px 12px; font-size: 14px;
  border: 1px solid var(--line-strong); border-radius: 999px;
  background: var(--bg-card); color: var(--ink);
}
#search:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.search-count { position: absolute; right: 14px; font-size: 12px; color: var(--ink-faint); pointer-events: none; }
.icon-btn {
  border: 1px solid var(--line-strong); background: var(--bg-card); color: var(--ink);
  width: 38px; height: 38px; border-radius: 10px; cursor: pointer; font-size: 16px; line-height: 1;
}
.icon-btn:hover { border-color: var(--accent); }
#navToggle { display: none; }

/* ---------- Layout ---------- */
.layout { display: flex; align-items: flex-start; }
.sidebar {
  position: sticky; top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  overflow-y: auto; border-right: 1px solid var(--line);
  background: var(--bg-elev);
}
.nav-inner { padding: 16px 12px 40px; }
.nav-group-label { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-faint); margin: 16px 10px 6px; }
.nav-link {
  display: flex; align-items: baseline; gap: 8px;
  padding: 6px 10px; border-radius: 8px; color: var(--ink-soft); font-size: 14px; cursor: pointer;
  border-left: 2px solid transparent;
}
.nav-link:hover { background: var(--accent-soft); text-decoration: none; color: var(--ink); }
.nav-link.active { color: var(--accent); background: var(--accent-soft); border-left-color: var(--accent); font-weight: 600; }
.nav-num { font-variant-numeric: tabular-nums; color: var(--ink-faint); font-size: 12px; min-width: 14px; }
.nav-link.active .nav-num { color: var(--accent); }
.nav-count { margin-left: auto; font-size: 11px; color: var(--ink-faint); }

.main { flex: 1 1 auto; min-width: 0; padding: 0 clamp(16px, 4vw, 48px) 80px; }
.hero { max-width: var(--maxw); margin: 28px auto 8px; }
.hero h1 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .3em; }
.tagline { font-size: 1.08rem; color: var(--ink-soft); margin: 0 0 .6em; }
.built { font-size: .82rem; color: var(--ink-faint); margin: 0; }
.howto { margin-top: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-card); }
.howto summary { cursor: pointer; padding: 12px 16px; font-weight: 600; }
.howto ul { margin: 0; padding: 0 20px 14px 34px; color: var(--ink-soft); font-size: .94rem; }
.howto li { margin: .3em 0; }

/* ---------- Toolbar / filters ---------- */
.toolbar {
  position: sticky; top: var(--topbar-h); z-index: 30;
  max-width: var(--maxw); margin: 18px auto;
  display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center;
  padding: 10px; border: 1px solid var(--line); border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elev) 97%, transparent);
  backdrop-filter: blur(8px);
}
.filter-group { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.filter-group + .filter-group { border-left: 1px solid var(--line); padding-left: 8px; }
.toolbar-right { margin-left: auto; border-left: none; padding-left: 0; }
.chip {
  font: inherit; font-size: 13px; line-height: 1;
  padding: 7px 11px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line-strong); background: var(--bg-card); color: var(--ink-soft);
  white-space: nowrap; display: inline-flex; align-items: center; gap: 5px;
}
.chip:hover { border-color: var(--accent); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip.master[aria-pressed="true"] { background: var(--master); border-color: var(--master); color: #fff; }
.chip-clear { color: var(--accent); border-color: var(--accent); }
.chip .c-count { font-size: 11px; opacity: .7; font-variant-numeric: tabular-nums; }

/* ---------- Sections + cards ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding-top: 26px; scroll-margin-top: 118px; }
.ref-section { scroll-margin-top: 118px; }
.section-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }
.section-head h2 { font-size: 1.5rem; letter-spacing: -.01em; margin: 0; }
.section-head .sec-num {
  font-variant-numeric: tabular-nums; font-size: .95rem; font-weight: 700; color: #fff;
  background: var(--accent); width: 28px; height: 28px; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto;
}
.section-intro { color: var(--ink-soft); margin: .4em 0 1em; }
.also-note { font-size: .88rem; color: var(--ink-soft); background: var(--bg-elev); border: 1px dashed var(--line-strong);
  border-radius: 10px; padding: 10px 14px; margin: 10px 0 4px; }

.card {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px 18px; margin: 12px 0; scroll-margin-top: 120px;
}
.card.master { border-left: 3px solid var(--master); }
.card-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; }
.card-head h3 { font-size: 1.16rem; margin: 0; letter-spacing: -.01em; }
.aliases { width: 100%; color: var(--ink-faint); font-size: .82rem; font-style: italic; margin-top: 1px; }

.badges { display: inline-flex; flex-wrap: wrap; gap: 5px; margin-left: auto; }
.badge {
  font-size: 11px; padding: 3px 8px; border-radius: 999px; line-height: 1.3; white-space: nowrap;
  border: 1px solid transparent; cursor: pointer; user-select: none;
}
.badge.disc { background: var(--accent-soft); color: var(--accent); }
.badge.boat { background: var(--bg-elev); color: var(--ink-soft); border-color: var(--line-strong); }
.badge.master { background: var(--master-soft); color: var(--master); font-weight: 600; }
.badge.static { cursor: default; }

.fields { margin: 12px 0 0; display: grid; gap: 8px; }
.field { display: grid; grid-template-columns: 64px 1fr; gap: 10px; align-items: start; }
.field .flabel {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; font-weight: 700;
  color: var(--ink-faint); padding-top: 3px;
}
.field .fval { color: var(--ink); }
.field.feel { background: var(--feel-soft); border-radius: 8px; padding: 8px 10px; margin: 0 -2px; }
.field.feel .flabel { color: var(--feel); }
.field.feel .fval { color: var(--ink); }
.field.note { grid-template-columns: 1fr; color: var(--ink-soft); font-size: .92rem; }

/* compact mode: show only the Feel field */
body.compact .field:not(.feel) { display: none; }
body.compact .card { padding: 12px 16px; }

mark { background: #ffe27a; color: inherit; border-radius: 3px; padding: 0 .1em; }
@media (prefers-color-scheme: dark) { mark { background: #6a5a1f; color: #fff; } }
:root[data-theme="dark"] mark { background: #6a5a1f; color: #fff; }

/* ---------- Reference blocks ---------- */
.ref-section { max-width: var(--maxw); margin: 40px auto 0; }
.ref-section h2 { font-size: 1.4rem; margin: 0 0 .3em; letter-spacing: -.01em; padding-top: 20px; }
.ref-intro { color: var(--ink-soft); margin: 0 0 1em; }
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: .92rem; background: var(--bg-card); }
th, td { text-align: left; padding: 9px 13px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg-elev); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); }
tr:last-child td { border-bottom: none; }
td.key { font-weight: 600; white-space: nowrap; }
.prog-list, .masters-list { padding-left: 22px; }
.prog-list li, .masters-list li { margin: .5em 0; }
.masters-list { counter-reset: m; list-style: none; padding-left: 0; }
.masters-list li {
  position: relative; padding: 12px 14px 12px 52px; margin: 10px 0;
  border: 1px solid var(--line); border-left: 3px solid var(--master); border-radius: 10px; background: var(--bg-card);
}
.masters-list li::before {
  counter-increment: m; content: counter(m);
  position: absolute; left: 14px; top: 12px; width: 26px; height: 26px;
  background: var(--master); color: #fff; border-radius: 7px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; font-size: .9rem;
}

.footer { max-width: var(--maxw); margin: 48px auto 0; padding-top: 20px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .88rem; }
.footer .src-note { color: var(--ink-faint); font-size: .82rem; }
.legal-links { margin-top: 8px; }
.legal-links a { color: var(--ink-soft); }

/* ---------- Ad slots (placeholders) ---------- */
.ad-slot {
  display: flex; align-items: center; justify-content: center; text-align: center;
  margin: 18px auto; max-width: var(--maxw);
  border: 1px dashed var(--line-strong); border-radius: var(--radius);
  background: var(--bg-elev);
}
.ad-slot .ad-label { font-size: 10px; text-transform: uppercase; letter-spacing: .14em; color: var(--ink-faint); }
.ad-leaderboard { min-height: 90px; }
.ad-incontent { min-height: 250px; }
.ad-sidebar { min-height: 250px; margin: 8px 10px 20px; max-width: none; }
@media (max-width: 860px) { .ad-sidebar { display: none; } } /* sidebar is a drawer on mobile */

.no-results { max-width: var(--maxw); margin: 30px auto; padding: 30px; text-align: center; color: var(--ink-soft); border: 1px dashed var(--line-strong); border-radius: var(--radius); }
.linkbtn, .no-results .linkbtn { background: none; border: none; color: var(--accent); cursor: pointer; font: inherit; text-decoration: underline; }

.to-top {
  position: fixed; right: 18px; bottom: 18px; z-index: 35;
  width: 44px; height: 44px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--line-strong); background: var(--bg-card); color: var(--ink); font-size: 18px;
  box-shadow: var(--shadow);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  #navToggle { display: inline-flex; align-items: center; justify-content: center; }
  .sidebar {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0; height: auto;
    z-index: 45; transform: translateX(-100%); transition: transform .22s ease;
    box-shadow: var(--shadow); width: min(280px, 82vw);
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open::after { content: ""; position: fixed; inset: var(--topbar-h) 0 0 0; background: rgba(0,0,0,.35); z-index: 44; }
  .topbar-title span:not(.oar) { display: none; }
  #search { width: 40vw; }
}
@media (max-width: 560px) {
  .field { grid-template-columns: 1fr; gap: 2px; }
  .field .flabel { padding-top: 0; }
  .badges { margin-left: 0; width: 100%; }
  .toolbar { top: var(--topbar-h); }
  .filter-group + .filter-group { border-left: none; padding-left: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .sidebar { transition: none; } }