/* ==========================================================================
   AWOOGA — Tug School page styles (tug-school.html)
   The campus: Towing 101 lab, strength ladder, field guide, hall of fame,
   sorting-hat quiz, lingo lab and history pier. Reuses the shared system
   (.section, .eyebrow, .card, .btn, .on-navy).
   ========================================================================== */

/* ---------- Hero ---------------------------------------------------------- */
.tsc-hero {
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(201,162,39,0.2), transparent 55%),
    linear-gradient(165deg, var(--navy-800), var(--navy-900));
  color: var(--cream);
  text-align: center;
  padding: clamp(3rem, 6vw, 5rem) 0;
}
.tsc-hero h1 { color: var(--cream); font-size: clamp(2.4rem, 5.5vw, 4rem); }
.tsc-hero h1 em { font-style: normal; color: var(--brass-lt); }
.tsc-hero .lead { margin-inline: auto; color: rgba(247,241,227,0.86); }
.tsc-hero .eyebrow { color: var(--brass-lt); justify-content: center; }

/* Course-catalog chips: anchor links to each department */
.tsc-depts { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin-top: 1.6rem; }
.tsc-dept {
  font-family: var(--font-sans); font-size: 0.82rem; font-weight: 700;
  letter-spacing: 0.04em; color: var(--cream);
  background: rgba(255,255,255,0.08); border: 1px solid rgba(247,241,227,0.25);
  border-radius: 999px; padding: 0.42rem 0.95rem;
  transition: transform 0.15s var(--ease), background-color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.tsc-dept:hover { transform: translateY(-2px); background: var(--brass); border-color: var(--brass); color: var(--navy-900); }
.tsc-dept b { color: var(--brass-lt); margin-right: 0.35rem; }
.tsc-dept:hover b { color: var(--navy-900); }

/* Shared department header */
.tsc-dept-head { max-width: 66ch; margin-bottom: 1.6rem; }
.tsc-dept-head h2 { margin: 0.2rem 0 0.5rem; font-size: clamp(1.5rem, 3.2vw, 2.1rem); }
.tsc-dept-head p { color: var(--text-soft); margin: 0; }
.on-navy .tsc-dept-head p { color: rgba(247,241,227,0.8); }

/* ---------- Towing 101: "Can she tow it?" --------------------------------- */
.tsc-lab {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: clamp(1.4rem, 3.5vw, 2.2rem);
}
.ts-targets { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.2rem; }
.ts-target {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font: inherit; font-family: var(--font-sans); font-size: 0.86rem; font-weight: 600;
  color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.45rem 0.9rem; cursor: pointer;
  transition: transform 0.15s var(--ease), border-color 0.15s var(--ease),
              background-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.ts-target span { font-size: 1.1rem; line-height: 1; }
.ts-target:hover { transform: translateY(-2px); border-color: var(--brass); box-shadow: var(--shadow-sm); }
.ts-target:focus-visible { outline: 3px solid var(--brass-lt); outline-offset: 2px; }
.ts-target.is-picked { background: var(--navy-900); border-color: var(--navy-900); color: var(--cream); }

/* The demonstration tank */
.ts-scene {
  position: relative; display: flex; align-items: center; gap: 0;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 100%);
  padding: 1.6rem 1.4rem 2rem; overflow: hidden;
}
.ts-scene::after { /* waterline */
  content: ""; position: absolute; left: 0; right: 0; bottom: 22px; height: 3px;
  background: repeating-linear-gradient(90deg, rgba(227,195,90,0.4) 0 26px, transparent 26px 40px);
  opacity: 0.6;
}
.ts-scene__tug { width: clamp(84px, 16vw, 130px); flex: 0 0 auto; position: relative; z-index: 1; }
.ts-scene__tug img { width: 100%; height: auto; }
.ts-rope {
  flex: 1 1 auto; height: 0; margin: 0 -6px;
  border-top: 3px dashed rgba(227,195,90,0.75);
  transform-origin: left center; align-self: center; position: relative; top: 8px;
}
.ts-scene__cargo {
  flex: 0 0 auto; font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1;
  position: relative; z-index: 1; padding-left: 4px;
}
/* Tier moods: strain the tug, wobble the rope, react the cargo */
.ts-scene[data-ts-tier="easy"] .ts-scene__tug,
.ts-scene[data-ts-tier="slow"] .ts-scene__tug { animation: ts-chug 1.4s ease-in-out infinite; }
.ts-scene[data-ts-tier="try"]  .ts-scene__tug { animation: ts-strain 0.5s ease-in-out infinite; }
.ts-scene[data-ts-tier="no"]   .ts-scene__tug,
.ts-scene[data-ts-tier="moon"] .ts-scene__tug { animation: ts-strain 0.28s ease-in-out infinite; }
.ts-scene[data-ts-tier="easy"] .ts-scene__cargo { animation: ts-bob 2s ease-in-out infinite; }
.ts-scene[data-ts-tier="slow"] .ts-scene__cargo { animation: ts-bob 2.6s ease-in-out infinite; }
.ts-scene[data-ts-tier="try"] .ts-rope,
.ts-scene[data-ts-tier="no"] .ts-rope,
.ts-scene[data-ts-tier="moon"] .ts-rope { border-top-style: solid; animation: ts-twang 0.22s linear infinite; }
@keyframes ts-chug   { 0%, 100% { transform: translateY(0) rotate(-0.6deg); } 50% { transform: translateY(-4px) rotate(0.8deg); } }
@keyframes ts-strain { 0%, 100% { transform: translateX(0) rotate(-1.6deg); } 50% { transform: translateX(3px) rotate(1deg); } }
@keyframes ts-bob    { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
@keyframes ts-twang  { 0%, 100% { transform: scaleY(1); } 50% { transform: translateY(1.5px); } }

/* Verdict stamp */
.ts-stamp {
  position: absolute; top: 12px; right: 14px; z-index: 2;
  font-family: var(--font-sans); font-weight: 900; font-size: clamp(0.8rem, 2vw, 1.05rem);
  letter-spacing: 0.1em; padding: 0.4rem 0.8rem; border: 3px solid currentColor;
  border-radius: 6px; transform: rotate(6deg); background: rgba(12,32,52,0.55);
}
.ts-stamp--yes   { color: #74d68e; }
.ts-stamp--maybe { color: var(--brass-lt); }
.ts-stamp--no    { color: #ff9d92; }
.ts-stamp.is-stamped { animation: ts-stamp 0.4s var(--ease) both; }
@keyframes ts-stamp { 0% { transform: rotate(6deg) scale(2.2); opacity: 0; } 65% { transform: rotate(6deg) scale(0.92); opacity: 1; } 100% { transform: rotate(6deg) scale(1); } }

/* Tow-o-meter + verdict copy */
.ts-meter-wrap { margin-top: 1.2rem; }
.ts-meter-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--font-sans); font-size: 0.78rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-soft);
  margin-bottom: 0.4rem;
}
.ts-meter-track {
  height: 14px; border-radius: 999px; background: var(--cream-2);
  border: 1px solid var(--line); overflow: hidden;
}
.ts-meter-fill {
  height: 100%; width: 0; border-radius: 999px;
  background: linear-gradient(90deg, var(--brass), var(--brass-lt));
  transition: width 0.6s var(--ease);
}
.ts-verdict { margin-top: 1rem; font-size: 0.98rem; line-height: 1.6; }
.ts-verdict p { margin: 0 0 0.5em; }
.ts-verdict b { color: var(--navy-800); }
.ts-sisters { color: var(--red); font-weight: 600; }
.ts-sisters span { color: var(--text-soft); font-weight: 400; font-size: 0.88em; }
.tsc-fine { margin: 1.1rem 0 0; font-size: 0.78rem; font-style: italic; color: var(--text-soft); }

/* ---------- The strength ladder (bar chart) ------------------------------- */
.ts-ladder { margin-top: 2.4rem; }
.ts-ladder h3 { font-size: 1.2rem; margin-bottom: 0.3rem; }
.ts-ladder > p { color: var(--text-soft); font-size: 0.92rem; max-width: 62ch; }
.ts-ladder-chart { list-style: none; margin: 1.2rem 0 0; padding: 0; display: grid; gap: 0.65rem; }
.ts-bar { display: grid; grid-template-columns: minmax(130px, 200px) 1fr; gap: 0.8rem; align-items: center; }
.ts-bar__who { font-family: var(--font-sans); font-size: 0.85rem; font-weight: 600; line-height: 1.3; text-align: right; }
.ts-bar__who i { display: block; font-style: normal; font-weight: 400; font-size: 0.76rem; color: var(--text-soft); }
.ts-bar__who a { color: var(--red); border-bottom: 1px solid rgba(184,71,63,0.35); }
.ts-bar__who a:hover { color: var(--red-dk); border-bottom-color: currentColor; }
.ts-bar__lane { position: relative; height: 22px; }
.ts-bar__fill {
  position: absolute; inset: 2px auto 2px 0; min-width: 2px;
  background: #2a6cb3; border-radius: 0 4px 4px 0;
}
.ts-bar--awooga .ts-bar__fill { background: var(--brass); }
.ts-bar__val {
  position: absolute; left: calc(var(--w) + 8px); top: 50%; transform: translateY(-50%);
  font-family: var(--font-sans); font-size: 0.8rem; font-weight: 700; color: var(--navy-800);
  white-space: nowrap;
}
.ts-bar__val--on { color: #fff; } /* label riding ON the record bar, not beside it */
.ts-bar__fill { width: var(--w); }
.ts-ladder-zoom {
  margin-top: 1rem; display: inline-flex; align-items: center; gap: 0.7rem;
  background: var(--cream-2); border: 1px dashed rgba(12,32,52,0.3);
  border-radius: var(--radius-sm); padding: 0.6rem 0.9rem;
  font-size: 0.85rem; color: var(--ink);
}
.ts-ladder-zoom .ts-zoombar {
  width: 84px; height: 10px; border-radius: 0 3px 3px 0; background: var(--brass);
  box-shadow: var(--shadow-sm); flex: 0 0 auto;
}

/* ---------- Field guide ---------------------------------------------------- */
.ts-lifelist {
  font-family: var(--font-sans); font-size: 0.92rem; font-weight: 600;
  color: var(--navy-800); background: var(--cream-2);
  border: 1px solid rgba(201,162,39,0.45); border-radius: 999px;
  display: inline-block; padding: 0.5rem 1.1rem; margin-bottom: 1.6rem;
}
.ts-lifelist b { color: var(--red); }
.ts-guide { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1.1rem; }
.ts-species {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  padding: 1.2rem 1.25rem; display: flex; flex-direction: column; gap: 0.6rem;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}
.ts-species:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ts-species.is-spotted { border-color: var(--brass); box-shadow: 0 0 0 2px rgba(201,162,39,0.35), var(--shadow-sm); }

/* The engraved specimen plate: soft paper gradient, hairline frame,
   duotone inks, brass details, translucent waterline. */
.ts-sil {
  /* natural viewBox aspect — capping height letterboxes the drawing
     inside the plate and the waterline stops short of the frame */
  width: 100%; height: auto; display: block;
  background:
    radial-gradient(130% 100% at 50% 0%, #fdfaf2 0%, #f4edda 58%, #ebe0c6 100%);
  border: 1px solid rgba(12,32,52,0.1);
  border-radius: var(--radius-sm);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.7), inset 0 -16px 26px rgba(16,49,79,0.07);
}
.ts-sil__plate {
  font-family: var(--font-sans); font-size: 7.5px; font-weight: 800;
  letter-spacing: 0.18em; fill: rgba(12,32,52,0.42);
}
.ts-sil__hull { fill: #12314f; }
.ts-sil__sup { fill: #24567f; }
.ts-sil__accent { fill: var(--brass); }
.ts-sil__glass { fill: rgba(250,245,232,0.96); }
.ts-sil__tire { fill: #0b1f33; }
.ts-sil__tirehub { fill: #e8dcbf; }
.ts-sil__line {
  fill: none; stroke: var(--brass); stroke-width: 2.2;
  stroke-linecap: round; stroke-linejoin: round; opacity: 0.9;
}
.ts-sil__line--ink { stroke: #12314f; stroke-width: 4.5; opacity: 1; }
.ts-sil__line--rope { stroke-width: 4.5; }
.ts-sil__sea { fill: rgba(47,108,166,0.17); }
.ts-sil__wave { fill: none; stroke: rgba(47,108,166,0.45); stroke-width: 1.6; stroke-linecap: round; }
.ts-sil__boat { transition: transform 0.35s var(--ease); }
.ts-species:hover .ts-sil__boat { transform: translateY(-2px); }
.ts-species h3 { font-size: 1.12rem; margin: 0; }
.ts-species h3 i {
  display: block; font-family: var(--font-sans); font-style: italic;
  font-weight: 500; font-size: 0.78rem; color: var(--text-soft); margin-top: 0.15rem;
}
.ts-species__facts { margin: 0; font-size: 0.88rem; line-height: 1.5; }
.ts-species__facts dt {
  font-family: var(--font-sans); font-size: 0.68rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--brass);
  margin-top: 0.55rem;
}
.ts-species__facts dd { margin: 0.1rem 0 0; color: var(--ink); }
.ts-spot {
  margin-top: auto; align-self: flex-start;
  display: inline-flex; align-items: center; gap: 0.5rem;
  font: inherit; font-family: var(--font-sans); font-size: 0.85rem; font-weight: 700;
  color: var(--navy-800); background: var(--paper);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.45rem 0.95rem; cursor: pointer;
  transition: background-color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.ts-spot:hover { border-color: var(--brass); }
.ts-spot:focus-visible { outline: 3px solid var(--brass-lt); outline-offset: 2px; }
.ts-spot__box {
  width: 16px; height: 16px; border-radius: 4px;
  border: 2px solid var(--navy-800); display: inline-block; position: relative;
}
.is-spotted .ts-spot { background: var(--brass); border-color: var(--brass); color: var(--navy-900); }
.is-spotted .ts-spot__box { background: var(--navy-900); border-color: var(--navy-900); }
.is-spotted .ts-spot__box::after {
  content: "✓"; position: absolute; inset: 0; color: var(--brass-lt);
  font-size: 12px; line-height: 13px; text-align: center; font-weight: 900;
}

/* ---------- Hall of fame --------------------------------------------------- */
.ts-fame { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 1.1rem; }
.ts-fame__card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(247,241,227,0.14);
  border-radius: var(--radius); padding: 1.2rem 1.25rem;
  display: flex; flex-direction: column; gap: 0.45rem;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.ts-fame__card:hover { transform: translateY(-4px); border-color: var(--brass); background: rgba(255,255,255,0.08); }
.ts-fame__era {
  align-self: flex-start; font-family: var(--font-sans); font-size: 0.7rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--navy-900);
  background: var(--brass-lt); border-radius: 999px; padding: 0.22rem 0.7rem;
}
.ts-fame__card h3 { color: var(--cream); font-size: 1.14rem; margin: 0.2rem 0 0; }
.ts-fame__card p { margin: 0; color: rgba(247,241,227,0.82); font-size: 0.92rem; line-height: 1.55; }
.ts-fame__claim {
  font-family: var(--font-sans); font-size: 0.8rem; font-weight: 700;
  color: var(--brass-lt); border-top: 1px dashed rgba(247,241,227,0.2);
  padding-top: 0.55rem; margin-top: 0.25rem !important;
}

/* ---------- The sorting hat (quiz) ----------------------------------------- */
.ts-quiz {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: clamp(1.4rem, 3.5vw, 2.2rem); max-width: 780px; margin-inline: auto;
}
.ts-q { border: none; margin: 0 0 1.4rem; padding: 0; }
.ts-q legend {
  font-family: var(--font-display); font-weight: 600; font-size: 1.12rem;
  color: var(--navy-900); margin-bottom: 0.6rem; padding: 0;
}
.ts-opt {
  display: flex; align-items: flex-start; gap: 0.6rem;
  padding: 0.55rem 0.75rem; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer; font-size: 0.94rem; line-height: 1.45;
  transition: background-color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.ts-opt:hover { background: var(--paper); border-color: var(--line); }
.ts-opt input { margin-top: 0.28rem; accent-color: var(--brass); flex: 0 0 auto; }
.ts-opt:has(input:checked) { background: var(--cream-2); border-color: var(--brass); }
.ts-q-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.ts-q-note { margin: 0; color: var(--red); font-weight: 600; font-size: 0.9rem; }
.ts-result {
  margin-top: 1.6rem; padding: 1.4rem; text-align: center;
  background: var(--paper); border: 2px solid var(--brass);
  border-radius: var(--radius);
}
.ts-result .eyebrow { justify-content: center; }
.ts-result .ts-sil { max-width: 300px; margin: 0.4rem auto; }
.ts-result h3 { margin: 0.2rem 0 0.5rem; }
.ts-result h3 i { display: block; font-family: var(--font-sans); font-size: 0.78rem; font-weight: 500; color: var(--text-soft); }
.ts-result p { margin: 0 0 0.6em; }
.ts-result__link { font-size: 0.9rem; }
.ts-result__link a { color: var(--red); font-weight: 700; }

/* ---------- Lingo lab (flip cards) ----------------------------------------- */
.ts-lingo { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.ts-word {
  position: relative; font: inherit; text-align: left; cursor: pointer;
  background: none; border: none; padding: 0; min-height: 216px;
  perspective: 900px; color: inherit;
}
.ts-word:focus-visible { outline: 3px solid var(--brass-lt); outline-offset: 3px; border-radius: var(--radius); }
.ts-word__inner {
  position: absolute; inset: 0; transform-style: preserve-3d;
  transition: transform 0.55s var(--ease);
}
.ts-word.is-flipped .ts-word__inner { transform: rotateY(180deg); }
.ts-word__front, .ts-word__back {
  position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  border-radius: var(--radius); padding: 1.1rem 1.15rem;
  display: flex; flex-direction: column; justify-content: center; gap: 0.4rem;
}
.ts-word__front {
  background: var(--navy-800); color: var(--cream);
  border: 1px solid var(--navy-800); box-shadow: var(--shadow-sm);
  align-items: center; text-align: center;
}
.ts-word__front b { font-family: var(--font-display); font-size: 1.3rem; }
.ts-word__front i {
  font-style: normal; font-family: var(--font-sans); font-size: 0.72rem;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.16em; color: var(--brass-lt);
}
.ts-word__back {
  background: var(--surface); border: 1px solid var(--brass);
  /* the section is .on-navy, so without this the definition inherits
     cream text — invisible on the card's light back face */
  color: var(--ink);
  transform: rotateY(180deg); font-size: 0.86rem; line-height: 1.5;
  justify-content: flex-start; box-shadow: var(--shadow-sm); overflow: auto;
}
.ts-word__back b { color: var(--navy-800); font-family: var(--font-sans); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; }
.ts-word__back em { color: var(--text-soft); font-size: 0.82rem; border-top: 1px dashed var(--line); padding-top: 0.45rem; }

/* ---------- History pier --------------------------------------------------- */
.ts-pier { position: relative; margin-top: 2rem; padding-left: 26px; }
.ts-pier::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 3px;
  background: repeating-linear-gradient(180deg, #d9b98c 0 8px, #b5824f 8px 16px);
  border-radius: 2px;
}
.ts-era { position: relative; padding: 0 0 1.8rem 1.2rem; }
.ts-era::before {
  content: ""; position: absolute; left: -26px; top: 6px;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--brass); border: 3px solid var(--paper); box-shadow: var(--shadow-sm);
}
.ts-era__year {
  font-family: var(--font-sans); font-size: 0.74rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.16em; color: var(--red);
}
.ts-era h3 { font-size: 1.18rem; margin: 0.15rem 0 0.3rem; }
.ts-era p { margin: 0; color: var(--text-soft); font-size: 0.94rem; max-width: 62ch; }
.ts-era__size {
  display: inline-block; margin-top: 0.5rem;
  font-family: var(--font-sans); font-size: 0.76rem; font-weight: 700;
  color: var(--navy-800); background: var(--cream-2);
  border-radius: 999px; padding: 0.25rem 0.75rem;
}
.ts-era--awooga h3 { color: var(--red); }

/* ---------- Next links ------------------------------------------------------ */
.next-links { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.2rem; }
.next-link { padding: 1.4rem; display: flex; flex-direction: column; gap: 0.3rem; }
.next-link h3 { font-size: 1.15rem; margin: 0; }
.next-link p { margin: 0; color: var(--text-soft); font-size: 0.92rem; }
.next-link .xcard__arrow { color: var(--red); font-weight: 700; font-size: 0.9rem; margin-top: 0.6rem; }

/* ---------- Small screens --------------------------------------------------- */
@media (max-width: 560px) {
  .ts-bar { grid-template-columns: 1fr; gap: 0.25rem; }
  .ts-bar__who { text-align: left; }
}

/* ---------- Reduced motion -------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .ts-scene .ts-scene__tug, .ts-scene .ts-scene__cargo, .ts-scene .ts-rope,
  .ts-stamp.is-stamped { animation: none !important; }
  .ts-word__inner { transition: none; }
  .ts-target:hover, .ts-species:hover, .ts-fame__card:hover, .tsc-dept:hover { transform: none; }
  .ts-sil__boat { transition: none; }
  .ts-species:hover .ts-sil__boat { transform: none; }
  .ts-meter-fill { transition: none; }
}