/* Beyond Training Release 3 — premium design system */
:root.release-3-premium {
  color-scheme: dark;
  --r3-bg: #05080d;
  --r3-bg-soft: #09111a;
  --r3-surface: rgba(15, 24, 35, .94);
  --r3-surface-raised: rgba(22, 34, 48, .96);
  --r3-surface-soft: rgba(27, 43, 59, .7);
  --r3-line: rgba(159, 196, 224, .16);
  --r3-line-strong: rgba(128, 225, 166, .34);
  --r3-text: #f2f7fb;
  --r3-muted: #9badbd;
  --r3-brand: #55d86d;
  --r3-brand-strong: #21a956;
  --r3-cyan: #33c8ee;
  --r3-blue: #3488ff;
  --r3-warn: #f8bf4a;
  --r3-danger: #ff5d68;
  --r3-radius-xs: 9px;
  --r3-radius-sm: 13px;
  --r3-radius: 18px;
  --r3-radius-lg: 26px;
  --r3-shadow: 0 22px 55px rgba(0, 0, 0, .34);
  --r3-shadow-soft: 0 12px 32px rgba(0, 0, 0, .2);
  --r3-space-1: 6px;
  --r3-space-2: 10px;
  --r3-space-3: 14px;
  --r3-space-4: 18px;
  --r3-space-5: 24px;
  --r3-space-6: 32px;
}

.release-3-premium body {
  color: var(--r3-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% -10%, rgba(41, 172, 96, .18), transparent 34rem),
    radial-gradient(circle at 94% 2%, rgba(35, 140, 211, .16), transparent 31rem),
    linear-gradient(180deg, var(--r3-bg), #07101a 52%, #05080d);
  letter-spacing: -.006em;
}

.release-3-premium body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: .24;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
}

.release-3-premium h1,
.release-3-premium h2,
.release-3-premium h3,
.release-3-premium h4 { color: var(--r3-text); letter-spacing: -.035em; }
.release-3-premium h1 { font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.02; }
.release-3-premium h2 { font-size: clamp(1.35rem, 2.2vw, 2rem); }
.release-3-premium .muted,
.release-3-premium .small { color: var(--r3-muted); }

.release-3-premium .top {
  background: rgba(5, 10, 16, .82);
  color: var(--r3-text);
  border-bottom: 1px solid var(--r3-line);
  box-shadow: 0 10px 35px rgba(0, 0, 0, .28);
  backdrop-filter: blur(22px) saturate(140%);
}
.release-3-premium .topin { max-width: 1460px; padding: 12px 24px; }
.release-3-premium .brand { font-size: 18px; letter-spacing: -.02em; }
.release-3-premium .brand-logo,
.release-3-premium .public-brand img { border-radius: 12px; border: 1px solid rgba(255,255,255,.24); box-shadow: 0 8px 26px rgba(0,0,0,.28); }
.release-3-premium .version { background: rgba(85,216,109,.14); color: #a8ffb5; border: 1px solid rgba(85,216,109,.28); }
.release-3-premium .wrap { max-width: 1460px; padding: 26px 24px 56px; }

.release-3-premium .section-tabs {
  position: sticky;
  top: 76px;
  z-index: 8;
  gap: 5px;
  margin: 0 0 20px;
  padding: 7px;
  border: 1px solid var(--r3-line);
  border-radius: 16px;
  background: rgba(7, 13, 21, .86);
  box-shadow: var(--r3-shadow-soft);
  backdrop-filter: blur(18px);
  scrollbar-width: thin;
}
.release-3-premium .section-tabs .btn {
  background: transparent;
  color: var(--r3-muted);
  border: 1px solid transparent;
  border-radius: 11px;
  min-height: 42px;
}
.release-3-premium .section-tabs .btn:hover { color: var(--r3-text); background: rgba(255,255,255,.055); box-shadow: none; }
.release-3-premium .section-tabs .btn.active {
  background: linear-gradient(135deg, rgba(85,216,109,.22), rgba(51,200,238,.12));
  color: #dfffe5;
  border-color: var(--r3-line-strong);
  box-shadow: inset 0 0 0 1px rgba(85,216,109,.08), 0 8px 24px rgba(18,114,57,.14);
}

.release-3-premium .card,
.release-3-premium .item,
.release-3-premium .progress-card,
.release-3-premium .modal-card,
.release-3-premium .student-overview-card,
.release-3-premium .library-card,
.release-3-premium .feature-card,
.release-3-premium .history-group,
.release-3-premium .skill-trend-card,
.release-3-premium .recommendation-card {
  color: var(--r3-text);
  background: linear-gradient(145deg, rgba(20, 31, 44, .96), rgba(10, 17, 26, .98));
  border: 1px solid var(--r3-line);
  border-radius: var(--r3-radius);
  box-shadow: var(--r3-shadow-soft);
}
.release-3-premium .card { padding: clamp(16px, 2vw, 24px); }
.release-3-premium .item { padding: 15px; }
.release-3-premium .grid { gap: 18px; }
.release-3-premium .coach-home-hero,
.release-3-premium .student-home-hero,
.release-3-premium .focus-hero,
.release-3-premium .bc-hero {
  overflow: hidden;
  position: relative;
  background: linear-gradient(128deg, rgba(36, 71, 92, .8), rgba(11, 23, 35, .98) 55%, rgba(21, 95, 54, .45));
  border-color: rgba(96, 206, 143, .25);
}
.release-3-premium .coach-home-hero::after,
.release-3-premium .student-home-hero::after,
.release-3-premium .focus-hero::after {
  content: ""; position: absolute; width: 260px; height: 260px; right: -90px; top: -130px; border-radius: 50%;
  background: radial-gradient(circle, rgba(51,200,238,.18), transparent 68%); pointer-events: none;
}

.release-3-premium .btn {
  min-height: 42px;
  padding: 10px 15px;
  color: var(--r3-text);
  background: rgba(37, 54, 70, .72);
  border: 1px solid rgba(177, 211, 234, .16);
  border-radius: 11px;
  box-shadow: none;
  transition: transform .16s ease, border-color .16s ease, background .16s ease, box-shadow .16s ease;
}
.release-3-premium .btn:hover { transform: translateY(-1px); border-color: rgba(164, 223, 192, .4); box-shadow: 0 9px 24px rgba(0,0,0,.22); }
.release-3-premium .btn:active { transform: translateY(0); }
.release-3-premium .btn.primary,
.release-3-premium .btn.green {
  color: #04110a;
  background: linear-gradient(135deg, #9af59f, var(--r3-brand) 48%, #23b865);
  border-color: rgba(185,255,194,.5);
  box-shadow: 0 10px 26px rgba(39, 179, 93, .2);
}
.release-3-premium .btn.red { background: rgba(255,93,104,.14); color: #ffb5ba; border-color: rgba(255,93,104,.32); }
.release-3-premium .btn:disabled { opacity: .42; filter: saturate(.55); cursor: not-allowed; transform: none; }
.release-3-premium :is(button, input, select, textarea, a):focus-visible { outline: 3px solid rgba(51,200,238,.72); outline-offset: 3px; }

.release-3-premium input,
.release-3-premium select,
.release-3-premium textarea {
  color: var(--r3-text);
  background: rgba(6, 13, 21, .88);
  border: 1px solid rgba(161, 195, 221, .23);
  border-radius: 11px;
  min-height: 44px;
  accent-color: var(--r3-brand);
}
.release-3-premium input::placeholder,
.release-3-premium textarea::placeholder { color: #75899b; }
.release-3-premium .field label,
.release-3-premium legend { color: #dbe8f1; }

.release-3-premium .badge,
.release-3-premium .activity-pill,
.release-3-premium .profile-tag,
.release-3-premium .account-type-badge,
.release-3-premium .assignment-status {
  color: #d8eafa;
  background: rgba(51, 137, 201, .14);
  border: 1px solid rgba(93, 176, 234, .2);
}
.release-3-premium .notice,
.release-3-premium .draft-banner,
.release-3-premium .notification-banner {
  color: var(--r3-text);
  background: rgba(37, 65, 81, .48);
  border: 1px solid var(--r3-line);
}
.release-3-premium .notice.error { background: rgba(126, 28, 38, .28); border-color: rgba(255,93,104,.36); color: #ffd2d5; }
.release-3-premium .notice.success { background: rgba(21, 112, 61, .26); border-color: rgba(85,216,109,.35); color: #d5ffdc; }

.release-3-premium .assignment-card { background: rgba(11, 19, 29, .95); border-radius: 18px; }
.release-3-premium .assignment-summary { color: var(--r3-text); background: linear-gradient(90deg, rgba(24,38,52,.88), rgba(13,23,34,.88)); min-height: 92px; }
.release-3-premium .assignment-details { border-color: var(--r3-line); }
.release-3-premium .assignment-thumb { overflow: hidden; background: #071522; }
.release-3-premium .assignment-thumb svg { width: 100%; height: 100%; object-fit: contain; }
.release-3-premium .assignment-title { font-size: 17px; }
.release-3-premium .start-workout { min-height: 52px; }

.release-3-premium .metric,
.release-3-premium .counter-stats div,
.release-3-premium .potting-counter,
.release-3-premium .pool-counter,
.release-3-premium .fargo-row > div {
  color: var(--r3-text);
  background: rgba(6, 14, 22, .72);
  border: 1px solid var(--r3-line);
  border-radius: var(--r3-radius-sm);
}
.release-3-premium .metric b,
.release-3-premium .stat,
.release-3-premium .rating-number,
.release-3-premium .game-score { color: #f6fbff; font-variant-numeric: tabular-nums; }
.release-3-premium .bar,
.release-3-premium .rating-track,
.release-3-premium .reliability-bar { background: rgba(0,0,0,.34); }
.release-3-premium .bar > span,
.release-3-premium .rating-fill,
.release-3-premium .reliability-bar span { background: linear-gradient(90deg, var(--r3-blue), var(--r3-cyan), var(--r3-brand)); }

.release-3-premium .chart-wrap,
.release-3-premium .skill-trend-chart,
.release-3-premium .score-stage {
  background: radial-gradient(circle at 50% 42%, rgba(51,200,238,.09), rgba(7,14,22,.72) 52%, rgba(4,9,15,.92));
  border: 1px solid var(--r3-line);
}
.release-3-premium .chart-wrap svg text,
.release-3-premium .skill-trend-chart svg text { fill: var(--r3-muted); }
.release-3-premium .score-hub { box-shadow: inset 0 0 48px rgba(51,200,238,.14), 0 22px 70px rgba(0,0,0,.4); }
.release-3-premium .score-node { box-shadow: inset 0 0 24px rgba(255,255,255,.08), 0 14px 34px rgba(0,0,0,.32); }

.release-3-premium .game-grid { gap: 18px; }
.release-3-premium .game-card {
  background: linear-gradient(155deg, rgba(24,38,53,.98), rgba(7,13,21,.98));
  border: 1px solid var(--r3-line);
  box-shadow: var(--r3-shadow-soft);
}
.release-3-premium .r3-ghost-rack { min-height: 142px; display: flex; flex-wrap: wrap; align-content: center; justify-content: center; gap: 1px; padding: 10px 3px; border-radius: 15px; background: radial-gradient(circle at center, #1269a0, #06436e); box-shadow: inset 0 0 26px rgba(0,0,0,.3); }
.release-3-premium .r3-pool-ball { width: clamp(32px, 3.1vw, 46px); height: auto; flex: 0 0 auto; transition: transform .16s ease, opacity .16s ease, filter .16s ease; }
.release-3-premium .r3-pool-ball.is-selected { transform: translateY(-5px) scale(1.08); filter: drop-shadow(0 0 8px rgba(255,255,255,.7)); }
.release-3-premium .r3-pool-ball.is-potted,
.release-3-premium .r3-pool-ball.is-completed { opacity: .42; filter: grayscale(.35); }
.release-3-premium .r3-pool-ball.is-disabled { opacity: .25; filter: grayscale(1); }

.release-3-premium .r3-workout-layout {
  display: grid;
  grid-template-columns: minmax(360px, 1.18fr) minmax(300px, .82fr);
  gap: 20px;
  align-items: start;
}
.release-3-premium .r3-workout-layout > :not(.r3-training-diagram) { grid-column: 2; }
.release-3-premium .r3-workout-layout > hr { display: none; }
.release-3-premium .r3-training-diagram {
  grid-column: 1;
  grid-row: 1 / span 20;
  position: sticky;
  top: 138px;
  min-width: 0;
  padding: 13px;
  border-radius: 18px;
  border: 1px solid rgba(83, 192, 226, .28);
  background: rgba(4, 11, 18, .92);
  box-shadow: 0 18px 46px rgba(0,0,0,.3);
}
.release-3-premium .r3-training-diagram header { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; }
.release-3-premium .r3-training-diagram h3 { margin: 3px 0 0; font-size: 17px; }
.release-3-premium .r3-kicker { font-size: 10px; font-weight: 900; letter-spacing: .15em; color: #83e89b; }
.release-3-premium .r3-diagram-actions { display: flex; gap: 5px; flex-wrap: wrap; justify-content: flex-end; }
.release-3-premium .r3-diagram-actions .btn { min-height: 36px; padding: 6px 9px; font-size: 12px; }
.release-3-premium .r3-training-diagram-viewport {
  --r3-diagram-scale: 1; --r3-diagram-x: 0px; --r3-diagram-y: 0px;
  overflow: hidden;
  min-height: 210px;
  border-radius: 13px;
  background: #02070c;
  touch-action: none;
  cursor: grab;
}
.release-3-premium .r3-training-diagram-viewport:active { cursor: grabbing; }
.release-3-premium .r3-training-diagram-viewport > * { transform: translate(var(--r3-diagram-x), var(--r3-diagram-y)) scale(var(--r3-diagram-scale)); transform-origin: center; transition: transform .16s ease; }
.release-3-premium .r3-training-diagram-viewport svg,
.release-3-premium .r3-assessment-diagram svg { display: block; width: 100%; height: auto; aspect-ratio: 2 / 1; object-fit: contain; }
.release-3-premium .r3-training-diagram.is-fullscreen { position: fixed; inset: 14px; z-index: 5000; top: 14px; display: grid; grid-template-rows: auto 1fr; }
.release-3-premium .r3-training-diagram.is-fullscreen .r3-training-diagram-viewport { height: 100%; min-height: 0; display: grid; place-items: center; }
.release-3-premium body.r3-diagram-open { overflow: hidden; }
.release-3-premium .r3-diagram-empty,
.release-3-premium .r3-diagram-skeleton { min-height: 210px; display: grid; place-items: center; border-radius: 13px; color: var(--r3-muted); background: rgba(255,255,255,.025); border: 1px dashed var(--r3-line); text-align: center; padding: 24px; }
.release-3-premium .r3-diagram-skeleton { background: linear-gradient(100deg, rgba(255,255,255,.025) 35%, rgba(255,255,255,.08) 50%, rgba(255,255,255,.025) 65%); background-size: 230% 100%; animation: r3-skeleton 1.25s linear infinite; }

.release-3-premium .r3-assessment-diagram { margin: 12px 0 16px; padding: 12px; border-radius: 15px; background: rgba(4,12,20,.78); border: 1px solid var(--r3-line); }
.release-3-premium .r3-assessment-diagram h4 { margin: 4px 0 10px; }
.release-3-premium .form-assessment-questions fieldset,
.release-3-premium .assessment-step,
.release-3-premium .form-recommendation,
.release-3-premium .assessment-skill-grid > div {
  color: var(--r3-text); background: rgba(8,17,27,.72); border: 1px solid var(--r3-line); box-shadow: none;
}

.release-3-premium .modal { background: rgba(1, 5, 9, .78); backdrop-filter: blur(9px); }
.release-3-premium .modal-card { border-radius: var(--r3-radius-lg); }
.release-3-premium .table-scroll { border: 1px solid var(--r3-line); border-radius: 14px; }
.release-3-premium :is(.diary-table,.compare-table) th { color: #bfe5f5; background: rgba(14,31,44,.86); position: sticky; top: 0; }
.release-3-premium :is(.diary-table,.compare-table) td { border-color: var(--r3-line); }

.release-3-premium .public-view,
.release-3-premium .login { color: var(--r3-text); background: radial-gradient(circle at 15% 0, rgba(45,174,96,.2), transparent 34rem), radial-gradient(circle at 90% 10%, rgba(36,144,218,.2), transparent 34rem), var(--r3-bg); }
.release-3-premium .public-nav { color: var(--r3-text); background: rgba(5,10,16,.82); border-color: var(--r3-line); }
.release-3-premium .public-nav-inner,
.release-3-premium .public-hero,
.release-3-premium .public-section { max-width: 1320px; }
.release-3-premium .public-hero h1,
.release-3-premium .public-section h2 { color: #f5fbff; }
.release-3-premium .public-hero p,
.release-3-premium .public-section-lead,
.release-3-premium .feature-card p { color: var(--r3-muted); }
.release-3-premium .hero-demo,
.release-3-premium .demo-focus-row,
.release-3-premium .demo-exercise,
.release-3-premium .library-card-image,
.release-3-premium .demo-loading { color: var(--r3-text); background: linear-gradient(145deg, rgba(20,31,44,.97), rgba(8,15,23,.98)); border-color: var(--r3-line); }
.release-3-premium .public-cta { background: linear-gradient(135deg, #133454, #0e6e5a); border: 1px solid rgba(111,233,161,.3); box-shadow: var(--r3-shadow); }
.release-3-premium .login .card { color: var(--r3-text); background: rgba(9,17,27,.94); border-color: var(--r3-line); }

.release-3-premium .route-status-shell { background: radial-gradient(circle at center, rgba(48,139,188,.13), transparent 50%), var(--r3-bg); }
.release-3-premium .environment-badge { background: #f6bb36; color: #271a00; border-color: #ffe19a; }

.release-3-premium .premium-builder-shell,
.release-3-premium .premium-builder-header,
.release-3-premium .premium-toolbar { color: var(--r3-text); background: #071019; border-color: var(--r3-line); }
.release-3-premium .premium-builder-left,
.release-3-premium .premium-builder-right { background: #0c1722; border-color: var(--r3-line); }
.release-3-premium .r3-rack-presets { margin-top: 14px; padding-top: 13px; border-top: 1px solid var(--r3-line); }
.release-3-premium .r3-rack-preset-grid { display: grid; gap: 7px; }
.release-3-premium .r3-rack-preset { width: 100%; min-height: 42px; padding: 8px 10px; text-align: left; font-size: 12px; }
.release-3-premium .r3-ghost-single { min-height: 154px; display: grid; place-items: center; }
.release-3-premium .r3-ghost-single .r3-pool-ball { width: 116px; height: 116px; }
.release-3-premium .weekly-plan-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 14px; }
.release-3-premium .weekly-plan-card { border: 1px solid var(--r3-line); border-radius: 16px; padding: 16px; background: linear-gradient(145deg,#0e1b27,#0a131d); }
.release-3-premium .weekly-plan-card.is-gap { border-style: dashed; opacity: .78; }
.release-3-premium .weekly-open-exercise { margin-top: 12px; }
.release-3-premium .permalink-exercise { max-width: 980px; margin: 0 auto; }
.release-3-premium .permalink-diagram { aspect-ratio: 2/1; overflow: hidden; border: 1px solid var(--r3-line); border-radius: 16px; background: #071019; }
.release-3-premium .permalink-diagram svg { width: 100%; height: 100%; display: block; }
.release-3-premium .rating-explanation { margin-top: 7px; color: var(--r3-muted); }
.release-3-premium .rating-explanation summary { cursor: pointer; color: #c8ecff; font-weight: 750; }
.release-3-premium .rating-explanation span { display: block; margin-top: 5px; }
.release-3-premium .history-group > summary { color: var(--r3-text); background: rgba(8,17,27,.72); }
.release-3-premium .history-group[open] > summary { background: rgba(15,31,43,.92); border-color: var(--r3-line); }
.release-3-premium .history-session { border-color: var(--r3-line); }
.release-3-premium .history-session-head { color: #c7e8f5; background: rgba(8,17,27,.94); font-size: 12px; font-weight: 850; letter-spacing: .04em; text-transform: uppercase; }
.release-3-premium .history-result { color: #88dcff; }
.release-3-premium .history-note { color: var(--r3-muted); }

@keyframes r3-skeleton { to { background-position: -130% 0; } }

@media (min-width: 1100px) {
  .release-3-premium #coachView:not(.hidden),
  .release-3-premium #studentView:not(.hidden) {
    display: grid;
    grid-template-columns: 222px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
  .release-3-premium #coachView > .section-tabs,
  .release-3-premium #studentView > .section-tabs {
    position: sticky;
    top: 92px;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 112px);
    overflow: auto;
    padding: 10px;
    margin: 0;
  }
  .release-3-premium #coachView > .section-tabs .btn,
  .release-3-premium #studentView > .section-tabs .btn {
    width: 100%;
    min-height: 42px;
    text-align: left;
    justify-content: flex-start;
  }
  .release-3-premium #coachView > .grid,
  .release-3-premium #studentView > .grid { min-width: 0; }
}

@media (max-width: 1024px) {
  .release-3-premium .wrap { padding-inline: 18px; }
  .release-3-premium .r3-workout-layout { grid-template-columns: minmax(300px, 1fr) minmax(280px, .9fr); }
  .release-3-premium .r3-training-diagram { position: relative; top: auto; }
}

@media (max-width: 800px) {
  .release-3-premium .topin { padding-inline: 14px; }
  .release-3-premium .wrap { padding: 16px 12px 42px; }
  .release-3-premium .section-tabs { top: 70px; margin-inline: -4px; border-radius: 13px; }
  .release-3-premium .r3-workout-layout { display: flex; flex-direction: column; }
  .release-3-premium .r3-training-diagram { width: 100%; order: -1; }
  .release-3-premium .r3-training-diagram header { align-items: flex-start; }
  .release-3-premium .r3-diagram-actions { justify-content: flex-start; }
  .release-3-premium .score-stage { min-height: 650px; }
}

@media (max-width: 620px) {
  .release-3-premium .brand .version { display: none; }
  .release-3-premium .header-actions { width: 100%; justify-content: space-between; }
  .release-3-premium .global-rating { width: 100%; order: 2; }
  .release-3-premium .card { border-radius: 16px; }
  .release-3-premium .assignment-summary { grid-template-columns: 62px minmax(0,1fr) auto; }
  .release-3-premium .r3-training-diagram { padding: 9px; }
  .release-3-premium .r3-training-diagram header { display: grid; }
  .release-3-premium .r3-training-diagram-viewport,
  .release-3-premium .r3-diagram-empty,
  .release-3-premium .r3-diagram-skeleton { min-height: 150px; }
  .release-3-premium .r3-ghost-rack { min-height: 125px; }
  .release-3-premium .r3-pool-ball { width: 34px; }
  .release-3-premium .public-hero { padding-top: 46px; }
  .release-3-premium .history-session-head { display: none; }
  .release-3-premium .history-session { grid-template-columns: 1fr; gap: 5px; padding: 14px; }
  .release-3-premium .history-session > [data-label]::before { content: attr(data-label); display: block; margin-bottom: 2px; color: var(--r3-muted); font-size: 10px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
  .release-3-premium .history-actions { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .release-3-premium *,
  .release-3-premium *::before,
  .release-3-premium *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}