/* Shared app-shell pages: dashboard, library, workout, strokes, technique */

.page { padding: 46px 0 80px; min-height: calc(100vh - 68px); }
.page-head { margin-bottom: 34px; }
.page-head .eyebrow { color: var(--primary); font-weight: 700; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.page-head h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin: 10px 0 10px; }
.page-head p { color: var(--muted); max-width: 640px; font-size: 16px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--primary); }

/* Chips / filters */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.chip {
  padding: 9px 16px; border-radius: 999px; border: 1px solid var(--border-strong);
  background: var(--surface); color: var(--muted); font-size: 14px; font-weight: 600;
  font-family: var(--font-head); cursor: pointer; transition: all .15s;
}
.chip:hover { color: var(--fg); border-color: var(--primary); }
.chip.active { background: var(--primary); color: #04121a; border-color: var(--primary); }

/* Stroke color accents */
.acc-free { --stroke: #14c3e6; }
.acc-breast { --stroke: #4ee0b5; }
.acc-fly { --stroke: #b57bff; }
.acc-back { --stroke: #ff9d5c; }
.acc-im { --stroke: #ff6b9d; }

/* Card grid */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid, .grid.cols-2 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid, .grid.cols-2 { grid-template-columns: 1fr; } }

/* Workout / lesson card */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 18px; overflow: hidden;
  display: flex; flex-direction: column; transition: transform .2s, border-color .2s; cursor: pointer;
}
.card:hover { transform: translateY(-5px); border-color: var(--stroke, var(--primary)); }
.card .thumb { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.card .thumb .thumb-bg { position: absolute; inset: 0; }
.card .thumb .badge {
  position: absolute; top: 12px; left: 12px; z-index: 3; padding: 5px 11px; border-radius: 999px;
  background: rgba(4,15,22,.72); backdrop-filter: blur(6px); font-size: 11px; font-weight: 700;
  font-family: var(--font-head); color: #fff; border: 1px solid var(--border-strong);
}
.card .thumb .badge .sdot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--stroke, var(--primary)); margin-right: 6px; vertical-align: middle; }
.card .thumb .dur { position: absolute; bottom: 12px; right: 12px; z-index: 3; padding: 4px 9px; border-radius: 8px; background: rgba(4,15,22,.78); font-size: 12px; font-weight: 600; }
.card .thumb .play {
  position: absolute; inset: 0; z-index: 2; display: grid; place-items: center; opacity: 0; transition: opacity .2s;
}
.card:hover .thumb .play { opacity: 1; }
.card .thumb .play span { width: 54px; height: 54px; border-radius: 50%; background: rgba(4,15,22,.7); border: 1px solid var(--border-strong); display: grid; place-items: center; }
.card .thumb .play svg { width: 22px; height: 22px; color: #fff; margin-left: 3px; }
.card .cbody { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card .cbody h3 { font-size: 17px; }
.card .cbody p { font-size: 13px; color: var(--muted); flex: 1; }
.card .cmeta { display: flex; gap: 14px; font-size: 12px; color: var(--muted); font-weight: 600; flex-wrap: wrap; }
.card .cmeta b { color: var(--fg); font-weight: 700; }

/* Level tag */
.level { font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 6px; text-transform: uppercase; letter-spacing: .04em; }
.level.beginner { background: rgba(78,224,181,.16); color: #4ee0b5; }
.level.intermediate { background: rgba(20,195,230,.16); color: #14c3e6; }
.level.advanced { background: rgba(181,123,255,.16); color: #b57bff; }

/* Stroke hero banner (technique page) */
.stroke-hero { position: relative; border-radius: 22px; overflow: hidden; padding: 46px; margin-bottom: 40px; border: 1px solid var(--border-strong); }
.stroke-hero .sh-bg { position: absolute; inset: 0; z-index: 0; }
.stroke-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(4,15,22,.85), rgba(4,15,22,.4)); z-index: 1; }
.stroke-hero .sh-body { position: relative; z-index: 2; max-width: 620px; }
.stroke-hero .sh-body .tag { display: inline-block; padding: 5px 12px; border-radius: 999px; background: var(--stroke); color: #04121a; font-size: 12px; font-weight: 800; margin-bottom: 14px; font-family: var(--font-head); }
.stroke-hero .sh-body h1 { font-size: clamp(30px, 5vw, 46px); font-weight: 800; margin-bottom: 12px; }
.stroke-hero .sh-body p { color: #cfe0ec; font-size: 16px; }
.stroke-hero .sh-stats { display: flex; gap: 26px; margin-top: 22px; }
.stroke-hero .sh-stats .st strong { font-family: var(--font-head); font-size: 22px; display: block; }
.stroke-hero .sh-stats .st span { font-size: 12px; color: var(--muted); }

/* Focus cue list */
.cues { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 8px; }
.cue { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px; display: flex; gap: 14px; }
.cue .n { flex: 0 0 34px; height: 34px; border-radius: 10px; background: var(--stroke, var(--primary)); color: #04121a; display: grid; place-items: center; font-family: var(--font-head); font-weight: 800; }
.cue h4 { font-size: 15px; margin-bottom: 4px; }
.cue p { font-size: 13px; color: var(--muted); }
@media (max-width: 620px) { .cues { grid-template-columns: 1fr; } }

.section-title { font-size: 22px; font-weight: 800; margin: 42px 0 20px; display: flex; align-items: center; gap: 12px; }
.section-title .bar { width: 4px; height: 22px; border-radius: 4px; background: var(--stroke, var(--primary)); }

/* Workout detail */
.wo-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 900px) { .wo-layout { grid-template-columns: 1fr; } }
.wo-video { position: relative; border-radius: 18px; overflow: hidden; border: 1px solid var(--border-strong); aspect-ratio: 16/9; background: #000; }
.wo-video iframe { width: 100%; height: 100%; border: 0; }
.wo-sets { margin-top: 26px; }
.set-block { border: 1px solid var(--border); border-radius: 16px; margin-bottom: 16px; overflow: hidden; background: var(--surface); }
.set-block .sb-head { display: flex; justify-content: space-between; align-items: center; padding: 15px 18px; background: var(--surface-2); }
.set-block .sb-head h4 { font-size: 15px; display: flex; align-items: center; gap: 10px; }
.set-block .sb-head .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--stroke, var(--primary)); }
.set-block .sb-head .vol { font-size: 13px; color: var(--muted); font-weight: 600; }
.set-row { display: flex; justify-content: space-between; gap: 16px; padding: 13px 18px; border-top: 1px solid var(--border); font-size: 14px; }
.set-row .sr-main { display: flex; gap: 12px; }
.set-row .reps { font-family: var(--font-head); font-weight: 700; color: var(--primary); min-width: 56px; }
.set-row .desc small { color: var(--muted); display: block; font-size: 12px; }
.set-row .eff { color: var(--muted); font-size: 12px; white-space: nowrap; }

/* Sidebar summary */
.wo-side { position: sticky; top: 88px; }
.summary-card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 24px; }
.summary-card h3 { font-size: 18px; margin-bottom: 4px; }
.summary-card .sc-sub { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.stat-row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.stat-row:last-of-type { border-bottom: 0; }
.stat-row span { color: var(--muted); }
.stat-row b { font-family: var(--font-head); }
.summary-card .btn { margin-top: 18px; }
.equip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.equip .tagx { font-size: 12px; padding: 5px 10px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--border); color: var(--muted); }

/* Dashboard */
.dash-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 40px; }
@media (max-width: 900px) { .dash-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .dash-grid { grid-template-columns: 1fr; } }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 22px; }
.kpi .k-ic { width: 40px; height: 40px; border-radius: 11px; background: rgba(20,195,230,.15); display: grid; place-items: center; margin-bottom: 14px; color: var(--primary); }
.kpi strong { font-family: var(--font-head); font-size: 30px; display: block; }
.kpi span { color: var(--muted); font-size: 13px; }
.welcome { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 30px; }
.welcome .avatar { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #2f8dff); display: grid; place-items: center; font-family: var(--font-head); font-weight: 800; font-size: 22px; color: #04121a; }
.welcome .who { display: flex; align-items: center; gap: 14px; }
.welcome .who h1 { font-size: 24px; }

/* Empty / loading */
.loading { text-align: center; color: var(--muted); padding: 60px 0; }

/* Video lightbox */
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(2,8,12,.9); backdrop-filter: blur(6px); display: none; align-items: center; justify-content: center; padding: 24px; }
.lightbox.open { display: flex; }
.lightbox .lb-inner { width: 100%; max-width: 960px; aspect-ratio: 16/9; border-radius: 16px; overflow: hidden; border: 1px solid var(--border-strong); background: #000; }
.lightbox iframe { width: 100%; height: 100%; border: 0; }
.lightbox .lb-close { position: absolute; top: 22px; right: 26px; background: var(--surface); border: 1px solid var(--border-strong); color: var(--fg); width: 42px; height: 42px; border-radius: 50%; cursor: pointer; font-size: 20px; display: grid; place-items: center; }

/* Reusable back-to-top / cta band inside app */
.cta-band { margin-top: 50px; background: linear-gradient(135deg, var(--surface-2), var(--surface)); border: 1px solid var(--border); border-radius: 20px; padding: 32px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cta-band h3 { font-size: 22px; }
.cta-band p { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* -------------------------------------------------------------------------- */
/*  Responsive                                                                */
/* -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .page { padding: 34px 0 64px; }
  .wo-layout { grid-template-columns: 1fr; gap: 24px; }
  .wo-side { position: static; }
  .stroke-hero { padding: 32px 24px; }
  .stroke-hero .sh-stats { gap: 20px; flex-wrap: wrap; }
  .cues { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .page { padding: 26px 0 54px; }
  .page-head { margin-bottom: 26px; }
  .filters { gap: 8px; margin-bottom: 18px; }
  .chip { padding: 8px 13px; font-size: 13px; }
  .stroke-hero { padding: 26px 20px; border-radius: 18px; }
  .stroke-hero .sh-body h1 { font-size: 26px; }
  .stroke-hero .sh-stats .st strong { font-size: 19px; }
  .section-title { font-size: 19px; margin: 32px 0 16px; }
  /* Workout set rows: stack the effort under the description */
  .set-row { flex-direction: column; gap: 4px; }
  .set-row .eff { align-self: flex-start; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 24px; }
  .cta-band .btn { width: 100%; }
  .summary-card { padding: 20px; }
  .welcome { gap: 14px; }
  .welcome .btn { width: 100%; }
  .kpi { padding: 18px; }
  .kpi strong { font-size: 26px; }
}
@media (max-width: 380px) {
  .card .cbody { padding: 15px; }
  .filters { gap: 7px; }
  .chip { padding: 7px 11px; }
}

/* Larger screens: featured/library grids breathe with 3 columns */
@media (min-width: 901px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}