/* Serve To Target guide in the Drills topic (drills-stt.js). Classes start with st-.
   Uses the brand tokens from styles.css and a few layout classes from drills.css (dr-ta, dr-film, dr-fact, dr-scr). */

/* One guide at a time: #drills[data-guide] is set by drills-stt.js from the hash. The drill picker stays. */
#drills[data-guide="stt"] #drills-root > section:not(.dr-pick) { display: none; }
#drills:not([data-guide="stt"]) #drills-stt-root { display: none; }
#drills .dr-dcard--live { border-color: transparent; }
#drills:not([data-guide="stt"]) .dr-dcard[href="#dr-target"],
#drills[data-guide="stt"] .dr-dcard[href="#serve-to-target"] { border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-soft), var(--shadow); }

/* frames */
.st-led { margin: 0; position: relative; background: #000; border-radius: 16px; padding: 7px; box-shadow: var(--shadow-lg); }
.st-led img, .st-led video { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 9px; }
.st-led--wide img { aspect-ratio: auto; }
[data-zoom] { cursor: zoom-in; }

/* top band: hero + film (layout from .dr-ta / .dr-film) */
.st-top { margin-top: 40px; }
.st-title { font-size: clamp(36px, 5.4vw, 64px); }
.st-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.st-cta .pill svg { width: 18px; height: 18px; }
.st-chs { list-style: none; margin: 6px 0 0; padding: 0; display: grid; gap: 6px; }
.st-ch { width: 100%; display: grid; grid-template-columns: 78px minmax(0, 1fr) auto; gap: 12px; align-items: center; text-align: start; background: rgba(255,255,255,.06); border: 1px solid rgba(174,198,255,.18); border-radius: 14px; padding: 6px 12px 6px 6px; color: #fff; }
.st-ch:hover { background: rgba(255,255,255,.12); }
.st-ch.is-on { background: #fff; color: var(--ink); border-color: #fff; }
.st-ch__img { display: block; aspect-ratio: 16 / 9; border-radius: 8px; overflow: hidden; background: #001634; }
.st-ch__img img { width: 100%; height: 100%; object-fit: cover; }
.st-ch__t { font-weight: 600; font-size: 14.5px; line-height: 1.25; }
.st-ch__at { font: 400 13px/1 var(--f-mono); opacity: .75; }

/* sections */
.st-sec { padding-block: 72px 0; display: grid; gap: 26px; }
.st-head { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 16px; align-items: start; }
.st-head > div { display: grid; gap: 10px; }
.st-num { font: 700 14px/1 var(--f-mono); color: var(--primary); background: var(--primary-soft); padding: 9px 11px; border-radius: 40px; margin-top: 4px; }
.st-head--inv .st-num { background: rgba(174,198,255,.16); color: var(--inv-primary); }
.st-band { margin-top: 80px; }
.st-band .st-head { margin-bottom: 28px; }
.st-band--game { background: radial-gradient(900px 520px at 80% 0%, #0b3a7a 0%, #04285a 40%, var(--navy) 85%); }

/* 01 start */
.st-taps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.st-tap { display: grid; gap: 14px; align-content: start; }
.st-tap__txt { display: grid; grid-template-columns: auto minmax(0, 1fr); column-gap: 10px; row-gap: 4px; }
.st-tap__k { grid-row: span 2; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font: 700 13px/1 var(--f-display); }
.st-tap__txt b { font: 700 16px/1.25 var(--f-display); color: var(--ink); align-self: center; }
.st-tap__txt > span:last-child { color: var(--muted); font-size: 14.5px; grid-column: 2; }
@media (max-width: 960px) { .st-taps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* 02 panel */
.st-panel { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(18px, 3vw, 36px); align-items: start; }
.st-pair { position: relative; }
.st-pin { position: absolute; width: 34px; height: 34px; transform: translate(-50%, -50%); border-radius: 50%; border: 0; padding: 0; background: #e7f35a; color: #061a3a; font: 700 15px/34px var(--f-body); text-align: center; box-shadow: 0 0 0 5px rgba(231,243,90,.3), 0 6px 16px rgba(0,0,0,.4); transition: transform .15s, box-shadow .15s; }
.st-pin.is-on { transform: translate(-50%, -50%) scale(1.22); box-shadow: 0 0 0 8px rgba(231,243,90,.4), 0 6px 16px rgba(0,0,0,.4); }
.st-panel__side { display: grid; gap: 16px; }
.st-legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.st-legend button { width: 100%; display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 12px; align-items: start; text-align: start; background: var(--card); border: 2px solid transparent; border-radius: 16px; padding: 12px 14px; box-shadow: var(--shadow); color: inherit; }
.st-legend button b { width: 28px; height: 28px; border-radius: 50%; background: #e7f35a; color: #061a3a; display: grid; place-items: center; font: 700 14px/1 var(--f-body); }
.st-legend button strong { display: block; font: 700 15.5px/1.25 var(--f-display); color: var(--ink); }
.st-legend button small { display: block; color: var(--muted); font-size: 14px; margin-top: 2px; }
.st-legend button.is-on { border-color: var(--primary); }
.st-note { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 14px; align-items: center; color: var(--muted); font-size: 14.5px; }
.st-note .dr-scr { padding: 5px; border-radius: 16px; }
.st-note .dr-scr img { border-radius: 11px; }
@media (max-width: 860px) { .st-panel { grid-template-columns: minmax(0, 1fr); } .st-pin { width: 26px; height: 26px; font-size: 12px; line-height: 26px; } }

/* 03 serve */
.st-serve { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: clamp(18px, 3vw, 36px); align-items: start; }
.st-serve__clip figcaption { color: #cdd8ea; font-size: 13px; padding: 10px 6px 4px; }
.st-hm { display: grid; gap: 14px; }
.st-hm__card { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 18px; align-items: center; background: var(--card); border-radius: var(--r); padding: 12px; box-shadow: var(--shadow); }
.st-hm__card .st-led { padding: 5px; border-radius: 14px; box-shadow: none; }
.st-hm__card > div { display: grid; gap: 6px; padding-inline-end: 8px; }
.st-hm__card b { font: italic 800 26px/1 var(--f-display); }
.st-hm__card--hit b { color: var(--success); }
.st-hm__card--miss b { color: var(--error); }
.st-hm__card span { color: var(--muted); }
@media (max-width: 860px) { .st-serve { grid-template-columns: minmax(0, 1fr); } .st-serve__clip { max-width: 440px; } }
@media (max-width: 480px) { .st-hm__card { grid-template-columns: 110px minmax(0, 1fr); gap: 12px; } .st-hm__card b { font-size: 21px; } }

/* 04 levels */
.st-levels { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.st-lv { display: grid; gap: 8px; align-content: start; }
.st-lv .st-led { margin-bottom: 8px; }
.st-lv__x { position: absolute; top: 15px; inset-inline-end: 15px; background: var(--primary); color: #fff; font: 700 17px/1 var(--f-mono); padding: 7px 11px; border-radius: 40px; }
.st-lv__n { font: 700 12px/1 var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--inv-primary); }
.st-lv b { font: italic 800 24px/1.05 var(--f-display); color: #fff; }
.st-lv__d { color: var(--inv-muted); font-size: 14.5px; }
.st-lv__need { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; color: #fff; margin-top: 4px; }
.st-lv__need i { width: 11px; height: 11px; border-radius: 50%; background: var(--green); }
.st-lv__need--top { color: var(--green); }
.st-miss { display: flex; align-items: center; gap: 10px; margin-top: 28px; font: 600 16px/1.3 var(--f-body); color: #fff; }
.st-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--green); flex: none; }
@media (max-width: 960px) { .st-levels { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* 05 points */
.st-calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(18px, 3vw, 36px); align-items: stretch; }
.st-calc__formula { display: grid; gap: 12px; align-content: center; }
.st-formula { font: italic 800 clamp(30px, 4vw, 48px)/1.05 var(--f-display); color: var(--ink); }
.st-small { color: var(--muted); font: 400 14px/1.4 var(--f-mono); }
.st-ex { color: var(--text); background: var(--card); box-shadow: var(--shadow); border-radius: 16px; padding: 14px 16px; }
.st-ex--max { background: var(--primary-soft); box-shadow: none; color: var(--ink); font-weight: 600; }
.st-calc__box { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); padding: clamp(18px, 3vw, 30px); display: grid; gap: 14px; align-content: start; }
.st-calc__row { display: flex; justify-content: space-between; align-items: baseline; font-weight: 600; color: var(--ink); }
.st-calc__row output { font: 700 22px/1 var(--f-mono); color: var(--primary); }
#st-speed { width: 100%; accent-color: var(--primary); height: 28px; }
.st-seg { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.st-seg button { border: 2px solid var(--line); background: #fff; border-radius: 14px; padding: 10px 6px; font: 700 20px/1 var(--f-display); color: var(--ink); display: grid; gap: 4px; justify-items: center; }
.st-seg button small { font: 600 12px/1 var(--f-mono); color: var(--muted); }
.st-seg button[aria-pressed="true"] { border-color: var(--primary); background: var(--primary); color: #fff; }
.st-seg button[aria-pressed="true"] small { color: #dbe6ff; }
.st-calc__res { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 12px; background: var(--navy); color: #fff; border-radius: 16px; padding: 16px 20px; margin-top: 4px; }
.st-calc__res b { font: 700 44px/1 var(--f-mono); color: var(--green); }
.st-calc__res span { color: var(--inv-muted); font-weight: 600; }
@media (max-width: 860px) { .st-calc { grid-template-columns: minmax(0, 1fr); } }

/* 06 practice round */
.st-game { display: grid; grid-template-columns: minmax(0, 440px) minmax(0, 300px); gap: clamp(18px, 3vw, 36px); align-items: start; }
.st-g-court { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; background: #000; border-radius: 22px; padding: 14px; box-shadow: var(--shadow-lg); }
.st-g-balls { display: grid; gap: 6px; align-content: center; }
.st-g-balls i { width: 20px; height: 20px; border-radius: 50%; background: var(--p1); box-shadow: inset 0 0 0 2px rgba(0,0,0,.35); transition: opacity .3s; }
.st-g-balls i.used { opacity: .18; }
.st-g-wrap { position: relative; }
#st-court { width: 100%; height: auto; display: block; border-radius: 12px; cursor: crosshair; touch-action: manipulation; user-select: none; -webkit-user-select: none; }
.st-c-bg { fill: #04182f; }
.st-c-court { fill: #051f3a; }
.st-c-box { fill: #062544; }
.st-c-lines line { stroke: #8fb3e6; stroke-width: 5; opacity: .75; }
.st-c-lines .st-c-net { stroke: #fff; stroke-width: 7; opacity: .95; }
.st-c-tgt { fill: rgba(29,155,240,.42); stroke: #1d9bf0; stroke-width: 7; }
.st-c-lbl { fill: #9fb3cf; font: 600 20px/1 var(--f-body); text-anchor: middle; letter-spacing: .04em; }
.st-c-lbl--s { font-size: 18px; opacity: .8; }
.st-mark { fill: none; stroke: #ff6b6b; stroke-width: 4; }
.st-mark--hit { stroke: #19c37d; fill: rgba(25,195,125,.35); }
.st-mark.is-last { stroke-width: 7; }
.st-aim circle, .st-aim path { fill: none; stroke: #fff; stroke-width: 3; opacity: .85; pointer-events: none; }
.st-fb { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 6px; text-align: center; background: rgba(2,14,30,.78); border-radius: 12px; color: #fff; pointer-events: none; animation: st-fb 1.6s ease forwards; }
.st-fb strong { font: 700 clamp(26px, 4vw, 40px)/1 var(--f-display); }
.st-fb > span:not(.st-fb__ic) { font: 700 clamp(20px, 3vw, 30px)/1 var(--f-display); }
.st-fb__ic svg { width: 64px; height: 64px; }
.st-fb--hit .st-fb__ic { color: #19c37d; }
.st-fb--miss .st-fb__ic { color: #e5484d; }
@keyframes st-fb { 0% { opacity: 0; transform: scale(.96); } 12% { opacity: 1; transform: none; } 70% { opacity: 1; } 100% { opacity: 0; } }
.st-fb--done { animation: none; pointer-events: auto; background: rgba(2,14,30,.9); padding: 16px; }
.st-fb--done b { font: 700 13px/1 var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--inv-primary); }
.st-fb--done strong { font-size: clamp(30px, 5vw, 48px); }
.st-fb--done > span { font: 600 16px/1.3 var(--f-body) !important; color: var(--inv-text); }
.st-fb--done .pill { margin-top: 10px; }
.st-g-side { display: grid; gap: 14px; }
.st-g-stat { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); border-radius: 18px; padding: 16px 18px; display: grid; gap: 10px; color: var(--inv-muted); font-weight: 600; }
.st-g-stat--score b { font: 700 46px/1 var(--f-mono); color: #fff; }
.st-g-lv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.st-g-lv i { height: 8px; border-radius: 8px; background: rgba(255,255,255,.14); }
.st-g-lv i.on { background: var(--green); }
.st-g-meter { --p: .5; height: 12px; border-radius: 12px; background: linear-gradient(90deg, #19c37d, #f6c344 60%, #e5484d); position: relative; }
[dir="rtl"] .st-g-meter { transform: scaleX(-1); }
.st-g-meter i { position: absolute; top: -5px; width: 6px; height: 22px; border-radius: 4px; background: #fff; box-shadow: 0 0 0 2px var(--navy); left: calc(var(--p) * 100% - 3px); }
.st-g-speed { font: 700 26px/1 var(--f-mono); color: #fff; }
.st-g-serve { justify-content: center; }
.st-g-serve[disabled] { opacity: .4; }
@media (max-width: 760px) {
  .st-game { grid-template-columns: minmax(0, 1fr); }
  .st-g-court { max-width: 440px; width: 100%; justify-self: center; }
  .st-g-side { grid-template-columns: repeat(2, minmax(0, 1fr)); order: -1; }
  .st-g-side .st-g-stat:nth-child(3), .st-g-serve { grid-column: span 2; }
  .st-g-stat--score b { font-size: 34px; }
}

/* 07 after */
.st-after { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.st-after__card { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); padding: 14px; display: grid; gap: 14px; align-content: start; }
.st-after__card > figure { width: 100%; max-width: 280px; justify-self: center; box-shadow: none; }
.st-after__card .dr-scr img { max-height: 300px; object-position: top; }
.st-after__card > div { display: grid; gap: 6px; padding: 0 4px 6px; }
.st-after__card b { font: 700 17px/1.25 var(--f-display); color: var(--ink); }
.st-after__card span { color: var(--muted); }
.st-after__card small { color: var(--muted); font-size: 13px; opacity: .85; }
.st-hitstart { aspect-ratio: 1 / 1; display: grid; place-items: center; background: #04182f; border: 7px solid #000; padding: 0; }
.st-hitstart span { font: 700 clamp(28px, 3.6vw, 44px)/1.08 var(--f-display); color: #fff !important; text-align: center; letter-spacing: .03em; }
@media (max-width: 960px) { .st-after { grid-template-columns: minmax(0, 1fr); } .st-after__card { grid-template-columns: 140px minmax(0, 1fr); align-items: center; } .st-after__card .dr-scr img { max-height: 200px; } .st-hitstart span { font-size: 22px; } }

/* tips */
.st-tips-sec { padding-bottom: 80px; }
.st-tips { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.st-tip { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); padding: 20px; display: grid; gap: 8px; align-content: start; }
.st-tip__ic { width: 42px; height: 42px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; margin-bottom: 4px; }
.st-tip__ic svg { width: 22px; height: 22px; }
.st-tip b { font: 700 16px/1.25 var(--f-display); color: var(--ink); }
.st-tip span { color: var(--muted); font-size: 15px; }
@media (max-width: 960px) { .st-tips { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .st-tips { grid-template-columns: minmax(0, 1fr); } }

/* link from 01 to the four-player section */
.st-fourlink { justify-self: start; display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px 10px 12px; border-radius: 40px; background: var(--card); box-shadow: var(--shadow); color: var(--ink); font-weight: 600; text-decoration: none; }
.st-fourlink:hover { background: var(--primary-soft); }
.st-fourlink svg { width: 16px; height: 16px; color: var(--primary); }
[dir="rtl"] .st-fourlink svg { transform: scaleX(-1); }
.st-fourlink__dots { display: grid; grid-template-columns: repeat(2, 9px); gap: 3px; }
.st-fourlink__dots i { width: 9px; height: 9px; border-radius: 50%; }
.st-fourlink__dots i:nth-child(1), .st-four__badge .a { background: #7b2ff7; }
.st-fourlink__dots i:nth-child(2), .st-four__badge .b { background: var(--p1); }
.st-fourlink__dots i:nth-child(3), .st-four__badge .c { background: var(--p2); }
.st-fourlink__dots i:nth-child(4), .st-four__badge .d { background: #12c96b; }

/* 08 four players */
.st-four { margin-top: 80px; padding-block: 64px; background: linear-gradient(180deg, #eef2fb 0%, var(--bg) 100%); }
.st-four .wrap { display: grid; gap: 22px; }
.st-four .st-head { grid-template-columns: auto minmax(0, 1fr) auto; }
.st-head > .st-four__badge { display: grid; grid-template-columns: repeat(2, 46px); gap: 8px; align-self: center; }
.st-four__badge i { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; color: #fff; font: 700 18px/1 var(--f-display); font-style: normal; box-shadow: 0 6px 16px rgba(0,30,66,.18); }
.st-four__h3 { font: italic 800 22px/1.1 var(--f-display); margin-top: 12px; }
.st-taps--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 900px; }
.st-four__led { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(18px, 3vw, 36px); align-items: start; }
.st-four__media { display: grid; gap: 12px; }
.st-four__clip video { aspect-ratio: 880 / 434; }
.st-four__clip figcaption { color: #cdd8ea; font-size: 13px; padding: 10px 6px 4px; }
.st-four__stills { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.st-four__stills .st-led { padding: 4px; border-radius: 10px; box-shadow: var(--shadow); }
.st-four__stills .st-led img { border-radius: 6px; }
.st-four__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.st-four__list li { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 12px; background: var(--card); border-radius: 16px; box-shadow: var(--shadow); padding: 14px 16px; }
.st-four__n { width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font: 700 13px/1 var(--f-display); }
.st-four__list b { display: block; font: 700 15.5px/1.25 var(--f-display); color: var(--ink); }
.st-four__list div > span { display: block; color: var(--muted); font-size: 14.5px; margin-top: 2px; }
@media (max-width: 860px) {
  .st-four__led { grid-template-columns: minmax(0, 1fr); }
  .st-taps--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .st-taps--3 .st-tap__txt > span:last-child { font-size: 13px; }
  .st-four .st-head { grid-template-columns: auto minmax(0, 1fr); }
  .st-head > .st-four__badge { display: none; }
}
@media (max-width: 560px) { .st-taps--3 .st-tap__txt { grid-template-columns: minmax(0, 1fr); } .st-taps--3 .st-tap__k { display: none; } .st-taps--3 .st-tap__txt b { font-size: 14px; } .st-taps--3 .st-tap__txt > span:last-child { grid-column: 1; font-size: 12.5px; } .st-taps--3 .dr-scr { padding: 4px; border-radius: 14px; } .st-taps--3 .dr-scr img { border-radius: 10px; } }