:root {
  --bg: #061521;
  --panel: rgba(5, 21, 34, .82);
  --panel-2: rgba(11, 36, 54, .84);
  --panel-border: rgba(255,255,255,.12);
  --text: #f7fbff;
  --muted: #9db8c7;
  --cyan: #62dce8;
  --cyan-2: #24b7cf;
  --lime: #b7ef6b;
  --amber: #ffc764;
  --danger: #ff7272;
  --violet: #b89cff;
  --shadow: 0 24px 60px rgba(0,0,0,.28);
  --radius: 22px;
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
button, input, select { font: inherit; }
button { color: inherit; }
button, select, input { outline: none; }
button:focus-visible, select:focus-visible, input:focus-visible { box-shadow: 0 0 0 3px rgba(98,220,232,.28); }

.app-shell {
  position: relative;
  width: 100%;
  height: 100dvh;
  min-height: 600px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 20%, rgba(58, 201, 219, .14), transparent 35%),
    linear-gradient(180deg, #0b506a 0%, #0a4b65 42%, #063348 100%);
}
#simCanvas { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; }

.glass {
  background: linear-gradient(180deg, rgba(8,29,45,.86), rgba(5,20,33,.78));
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
}

.topbar {
  position: absolute;
  top: 14px; left: 14px; right: 14px;
  height: 76px;
  border-radius: 22px;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(250px, 1fr);
  align-items: center;
  gap: 14px;
  padding: 10px 12px;
  z-index: 20;
}
.brand-wrap { display: flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark {
  width: 48px; height: 48px; border-radius: 15px; display: grid; place-items: center;
  font-size: 25px; background: linear-gradient(145deg, rgba(98,220,232,.22), rgba(255,255,255,.08));
  border: 1px solid rgba(255,255,255,.13);
}
.brand-title { font-weight: 800; letter-spacing: -.02em; font-size: 17px; white-space: nowrap; }
.brand-title span { color: var(--cyan); font-size: 11px; border: 1px solid rgba(98,220,232,.35); padding: 2px 5px; border-radius: 7px; vertical-align: 2px; }
.brand-subtitle { color: var(--muted); font-size: 11px; margin-top: 2px; }

.hud-strip { display: flex; align-items: stretch; gap: 2px; overflow: hidden; border-radius: 14px; border: 1px solid rgba(255,255,255,.08); }
.hud-item { min-width: 90px; padding: 9px 12px; background: rgba(255,255,255,.035); display: flex; flex-direction: column; gap: 2px; text-align: center; }
.hud-item small { color: var(--muted); font-size: 8px; letter-spacing: .12em; font-weight: 800; }
.hud-item strong { font-size: 13px; white-space: nowrap; }
.top-actions { display: flex; align-items: center; justify-content: flex-end; gap: 7px; min-width: 0; }
.icon-btn, .profile-chip {
  border: 1px solid rgba(255,255,255,.10); background: rgba(255,255,255,.055); cursor: pointer; transition: .2s ease;
}
.icon-btn:hover, .profile-chip:hover { background: rgba(255,255,255,.11); transform: translateY(-1px); }
.icon-btn { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; }
.profile-chip { height: 42px; border-radius: 13px; display: flex; align-items: center; gap: 8px; padding: 4px 9px 4px 5px; min-width: 128px; }
.profile-chip > span { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; background: linear-gradient(145deg, var(--cyan-2), #2379ba); font-weight: 900; }
.profile-chip div { display: flex; flex-direction: column; min-width: 0; text-align: left; }
.profile-chip small { font-size: 8px; color: var(--cyan); font-weight: 900; letter-spacing: .1em; }
.profile-chip b { font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 90px; }

.academy-panel, .control-panel {
  position: absolute;
  top: 104px;
  bottom: 110px;
  width: 350px;
  border-radius: var(--radius);
  padding: 17px;
  z-index: 12;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.15) transparent;
}
.academy-panel { left: 14px; }
.control-panel { right: 14px; width: 338px; }
.panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.panel-head.compact { align-items: center; }
.panel-head h1, .panel-head h2, .challenge-head h2 { margin: 3px 0 0; letter-spacing: -.025em; }
.panel-head h1 { font-size: 20px; }
.panel-head h2, .challenge-head h2 { font-size: 18px; }
.eyebrow { color: var(--cyan); font-size: 9px; font-weight: 900; letter-spacing: .15em; }
.xp-pill, .status-badge { padding: 5px 8px; border-radius: 999px; font-size: 9px; font-weight: 900; letter-spacing: .06em; }
.xp-pill { background: rgba(184,239,107,.11); color: var(--lime); border: 1px solid rgba(184,239,107,.22); }
.status-badge { color: var(--cyan); background: rgba(98,220,232,.10); border: 1px solid rgba(98,220,232,.22); }

.level-card { margin-top: 13px; padding: 12px; border-radius: 16px; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.08); }
.level-meta { display: flex; justify-content: space-between; gap: 14px; }
.level-meta div { display: flex; flex-direction: column; gap: 2px; }
.level-meta div:last-child { text-align: right; }
.level-meta span, .level-card > small { color: var(--muted); font-size: 9px; }
.level-meta b { font-size: 12px; }
.xp-track, .objective-track, .trim-track { height: 7px; border-radius: 999px; overflow: hidden; background: rgba(255,255,255,.07); }
.xp-track { margin: 9px 0 5px; }
.xp-track i, .objective-track i, .trim-track i { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--cyan-2), var(--lime)); transition: width .25s ease; }

.lesson-map { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; margin: 12px 0; }
.lesson-node {
  min-height: 64px; border: 1px solid rgba(255,255,255,.08); border-radius: 14px; background: rgba(255,255,255,.035);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; cursor: pointer; transition: .18s ease; position: relative;
}
.lesson-node:hover { transform: translateY(-1px); background: rgba(255,255,255,.07); }
.lesson-node.active { border-color: rgba(98,220,232,.55); background: rgba(98,220,232,.09); }
.lesson-node.locked { opacity: .42; cursor: not-allowed; }
.lesson-node .node-icon { font-size: 17px; }
.lesson-node .node-num { font-size: 8px; color: var(--muted); font-weight: 800; }
.lesson-node .node-stars { font-size: 9px; letter-spacing: -1px; color: var(--amber); }
.lesson-node .node-lock { position: absolute; right: 5px; top: 4px; font-size: 9px; }

.challenge-card { border-radius: 18px; padding: 13px; background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025)); border: 1px solid rgba(255,255,255,.09); }
.challenge-head { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.stars { color: var(--amber); letter-spacing: 1px; font-size: 15px; }
.challenge-card > p { color: var(--muted); font-size: 11px; line-height: 1.55; margin: 9px 0; }
.coach-box { display: flex; gap: 9px; align-items: flex-start; border-radius: 14px; background: rgba(98,220,232,.065); border: 1px solid rgba(98,220,232,.13); padding: 10px; }
.coach-avatar { width: 30px; height: 30px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,.07); }
.coach-box small { color: var(--cyan); font-size: 8px; font-weight: 900; letter-spacing: .1em; }
.coach-box p { margin: 3px 0 0; font-size: 10px; line-height: 1.45; color: #d9eef4; }
.challenge-options { display: grid; grid-template-columns: repeat(2,1fr); gap: 6px; margin-top: 9px; }
.challenge-options:empty { display: none; }
.option-btn { border: 1px solid rgba(255,255,255,.09); border-radius: 11px; background: rgba(255,255,255,.04); padding: 9px; cursor: pointer; font-size: 10px; font-weight: 700; }
.option-btn:hover { background: rgba(98,220,232,.10); border-color: rgba(98,220,232,.24); }
.objective-row { display: flex; justify-content: space-between; gap: 10px; margin-top: 11px; align-items: flex-end; }
.objective-row > div { display: flex; flex-direction: column; gap: 2px; }
.objective-row span, .score-row span { color: var(--muted); font-size: 8px; text-transform: uppercase; letter-spacing: .07em; }
.objective-row b { font-size: 10px; line-height: 1.3; }
.objective-row > strong { font-size: 11px; color: var(--cyan); }
.objective-track { margin-top: 6px; }
.score-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 6px; margin-top: 10px; }
.score-row div { padding: 7px; border-radius: 11px; background: rgba(255,255,255,.03); display: flex; flex-direction: column; gap: 2px; }
.score-row b { font-size: 11px; }
.challenge-actions { display: grid; grid-template-columns: 1.25fr 1fr; gap: 7px; margin-top: 10px; }
.primary-btn, .secondary-btn, .import-btn {
  border-radius: 12px; min-height: 38px; border: 1px solid transparent; cursor: pointer; font-weight: 800; font-size: 10px; display: grid; place-items: center; text-align: center;
}
.primary-btn { background: linear-gradient(135deg, #20bdd1, #267fc1); color: white; }
.secondary-btn { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.10); }
.primary-btn:hover, .secondary-btn:hover, .import-btn:hover { filter: brightness(1.1); }

.tabs { display: grid; grid-template-columns: repeat(3,1fr); gap: 5px; margin: 12px 0; padding: 4px; background: rgba(255,255,255,.035); border-radius: 13px; }
.tab { border: 0; background: transparent; border-radius: 10px; padding: 7px 5px; color: var(--muted); font-weight: 800; font-size: 9px; cursor: pointer; }
.tab.active { color: #fff; background: rgba(98,220,232,.12); box-shadow: inset 0 0 0 1px rgba(98,220,232,.16); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.field-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 9px 0; }
.field-row > span { font-size: 10px; color: var(--muted); }
.field-row select { color: #fff; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.10); border-radius: 10px; padding: 7px 9px; font-size: 10px; }
.field-row select option { color: #111; }
.toggle-row { display: flex; justify-content: space-between; align-items: center; padding: 9px 0; border-top: 1px solid rgba(255,255,255,.06); }
.toggle-row > div { display: flex; flex-direction: column; gap: 1px; }
.toggle-row span { font-size: 10px; font-weight: 700; }
.toggle-row small { font-size: 8px; color: var(--muted); }
.switch { display: inline-flex; cursor: pointer; }
.switch input { display: none; }
.switch span { width: 38px; height: 21px; border-radius: 999px; background: rgba(255,255,255,.12); position: relative; transition: .2s; }
.switch span:after { content: ""; width: 15px; height: 15px; border-radius: 50%; background: #fff; position: absolute; top: 3px; left: 3px; transition: .2s; }
.switch input:checked + span { background: var(--cyan-2); }
.switch input:checked + span:after { transform: translateX(17px); }
.range-block { display: block; padding: 8px 0; }
.range-block > div { display: flex; justify-content: space-between; gap: 10px; font-size: 10px; }
.range-block > div span { color: var(--muted); }
.range-block input[type="range"] { width: 100%; accent-color: var(--cyan-2); margin: 8px 0 2px; }
.range-block > small { display: flex; justify-content: space-between; color: #7898a8; font-size: 7px; }
.mini-grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin: 7px 0; }
.action-tile { border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.035); border-radius: 13px; padding: 9px 6px; cursor: pointer; display: grid; grid-template-columns: auto 1fr; gap: 1px 6px; text-align: left; }
.action-tile > span { grid-row: 1/3; align-self: center; font-size: 18px; }
.action-tile b { font-size: 9px; }
.action-tile small { color: var(--muted); font-size: 7px; }
.action-tile.active { border-color: rgba(184,239,107,.35); background: rgba(184,239,107,.08); }
.trim-card { margin-top: 9px; padding: 10px; border-radius: 14px; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.07); }
.trim-top { display: flex; justify-content: space-between; font-size: 10px; margin-bottom: 7px; }
.trim-top span { color: var(--muted); }
.flow-state { display: flex; gap: 7px; align-items: center; margin-top: 7px; }
.flow-state > span { width: 22px; height: 22px; border-radius: 8px; display: grid; place-items: center; background: rgba(184,239,107,.10); color: var(--lime); font-size: 10px; }
.flow-state p { margin: 0; font-size: 8px; color: var(--muted); line-height: 1.35; }

.wind-dial { width: 154px; height: 154px; margin: 5px auto 12px; border-radius: 50%; position: relative; background: radial-gradient(circle, rgba(255,255,255,.06) 0 34%, transparent 35%), repeating-radial-gradient(circle, transparent 0 21px, rgba(255,255,255,.045) 22px 23px), rgba(255,255,255,.025); border: 1px solid rgba(255,255,255,.10); cursor: grab; }
.wind-dial:active { cursor: grabbing; }
.cardinal { position: absolute; font-size: 8px; color: var(--muted); font-weight: 900; }
.cardinal.n { top: 6px; left: 50%; transform: translateX(-50%); }
.cardinal.s { bottom: 6px; left: 50%; transform: translateX(-50%); }
.cardinal.e { right: 7px; top: 50%; transform: translateY(-50%); }
.cardinal.w { left: 7px; top: 50%; transform: translateY(-50%); }
.wind-needle { position: absolute; inset: 10px; transform: rotate(20deg); pointer-events: none; }
.wind-needle span { position: absolute; top: -3px; left: 50%; transform: translateX(-50%) rotate(-90deg); color: var(--cyan); font-size: 22px; text-shadow: 0 0 15px rgba(98,220,232,.6); }
.wind-needle:after { content: ""; position: absolute; width: 1px; height: 48px; top: 13px; left: 50%; background: linear-gradient(var(--cyan), rgba(98,220,232,.1)); }
.dial-center { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 58px; height: 58px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; background: #0a2234; border: 1px solid rgba(255,255,255,.10); z-index: 2; }
.dial-center b { font-size: 12px; }
.dial-center small { color: var(--muted); font-size: 6px; font-weight: 900; letter-spacing: .08em; }
.instrument-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 6px; }
.instrument-grid > div { min-height: 59px; border-radius: 13px; padding: 8px; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.065); display: flex; flex-direction: column; justify-content: center; }
.instrument-grid span { color: var(--cyan); font-size: 8px; font-weight: 900; letter-spacing: .08em; }
.instrument-grid b { font-size: 15px; margin-top: 1px; }
.instrument-grid small { color: var(--muted); font-size: 7px; }
.gps-card, .polar-card { margin-top: 8px; padding: 10px; border-radius: 14px; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.07); }
.gps-head, .polar-head { display: flex; justify-content: space-between; gap: 10px; font-size: 8px; letter-spacing: .08em; }
.gps-head span, .polar-head span { color: var(--muted); }
.gps-head b, .polar-head b { color: var(--cyan); }
.gps-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 6px; margin-top: 8px; }
.gps-grid div { display: flex; flex-direction: column; gap: 1px; }
.gps-grid span { color: var(--muted); font-size: 7px; }
.gps-grid b { font-size: 10px; }
#polarCanvas { width: 100%; height: 126px; display: block; margin-top: 5px; }

.wind-ribbon { position: absolute; top: 102px; left: 50%; transform: translateX(-50%); z-index: 5; display: flex; align-items: center; gap: 5px; color: rgba(230,250,255,.72); font-size: 9px; font-weight: 900; letter-spacing: .12em; text-shadow: 0 2px 5px rgba(0,0,0,.35); }
.wind-ribbon i { width: 18px; height: 1px; background: rgba(230,250,255,.5); position: relative; }
.wind-ribbon i:after { content: ""; position: absolute; right: 0; top: -2px; width: 4px; height: 4px; border-right: 1px solid rgba(230,250,255,.6); border-top: 1px solid rgba(230,250,255,.6); transform: rotate(45deg); }
.center-toast { position: absolute; left: 50%; top: 122px; transform: translate(-50%, -10px); z-index: 40; display: flex; align-items: center; gap: 9px; padding: 9px 13px; border-radius: 14px; background: rgba(5,20,32,.92); border: 1px solid rgba(255,255,255,.11); box-shadow: 0 14px 35px rgba(0,0,0,.28); opacity: 0; pointer-events: none; transition: .25s ease; }
.center-toast.show { opacity: 1; transform: translate(-50%, 0); }
.center-toast > span { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 9px; background: rgba(184,239,107,.12); color: var(--lime); }
.center-toast div { display: flex; flex-direction: column; }
.center-toast strong { font-size: 11px; }
.center-toast small { font-size: 8px; color: var(--muted); }

.race-hud { position: absolute; left: 50%; top: 132px; transform: translateX(-50%); z-index: 9; display: none; grid-template-columns: repeat(4,auto); gap: 1px; border-radius: 14px; overflow: hidden; padding: 1px; }
.race-hud.show { display: grid; }
.race-hud div { padding: 7px 12px; background: rgba(255,255,255,.035); display: flex; flex-direction: column; align-items: center; }
.race-hud small { color: var(--muted); font-size: 7px; }
.race-hud b { font-size: 10px; }

.compass { position: absolute; right: 370px; bottom: 112px; width: 82px; height: 82px; border-radius: 50%; z-index: 8; display: grid; place-items: center; }
.compass-rose { width: 64px; height: 64px; border-radius: 50%; border: 1px solid rgba(255,255,255,.15); position: relative; transition: transform .12s linear; }
.compass-rose > span { position: absolute; font-size: 6px; color: var(--muted); }
.c-n { top: 3px; left: 50%; transform: translateX(-50%); color: var(--danger)!important; }
.c-s { bottom: 3px; left: 50%; transform: translateX(-50%); }
.c-e { right: 4px; top: 50%; transform: translateY(-50%); }
.c-w { left: 4px; top: 50%; transform: translateY(-50%); }
.boat-pointer { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); color: var(--cyan); font-size: 14px; }
.compass-value { position: absolute; bottom: -16px; font-size: 8px; color: #d9eef4; }

.steering-dock { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); height: 78px; width: min(560px, calc(100vw - 770px)); min-width: 440px; border-radius: 22px; z-index: 15; display: grid; grid-template-columns: 1fr 104px 1fr; align-items: stretch; overflow: hidden; }
.steer-btn { border: 0; background: rgba(255,255,255,.025); cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 11px; transition: .15s; touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; -webkit-tap-highlight-color: transparent; pointer-events: auto; position: relative; z-index: 2; }
.steer-btn:hover, .steer-btn.pressed { background: rgba(98,220,232,.10); }
.steer-btn div { display: flex; flex-direction: column; text-align: left; }
.steer-btn:last-child div { text-align: right; }
.steer-btn small { font-size: 6px; color: var(--muted); font-weight: 800; letter-spacing: .08em; }
.steer-btn b { font-size: 15px; }
.steer-arrow { font-size: 27px; color: var(--cyan); }
.rudder-center { border-left: 1px solid rgba(255,255,255,.07); border-right: 1px solid rgba(255,255,255,.07); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.rudder-center small { color: var(--muted); font-size: 7px; letter-spacing: .12em; }
.rudder-center em { color: #7795a4; font-style: normal; font-size: 8px; }
.rudder-meter { width: 70px; height: 6px; border-radius: 999px; background: rgba(255,255,255,.08); position: relative; overflow: hidden; }
.rudder-meter span { position: absolute; left: 50%; width: 1px; height: 100%; background: rgba(255,255,255,.35); }
.rudder-meter i { position: absolute; left: 50%; top: 0; bottom: 0; width: 0; background: var(--cyan); }

.mobile-dock { display: none; }

.modal { position: absolute; inset: 0; z-index: 100; display: grid; place-items: center; background: rgba(1,8,13,.64); opacity: 0; pointer-events: none; transition: .2s; padding: 16px; }
.modal.open { opacity: 1; pointer-events: auto; }
.modal-card { width: min(560px, 96vw); max-height: min(760px, 90vh); overflow: auto; border-radius: 24px; padding: 22px; position: relative; }
.modal-card.wide { width: min(820px, 96vw); }
.modal-close { position: absolute; top: 11px; right: 11px; width: 34px; height: 34px; border-radius: 11px; border: 1px solid rgba(255,255,255,.09); background: rgba(255,255,255,.05); cursor: pointer; font-size: 20px; }
.modal-card h2 { margin: 5px 0 8px; font-size: 24px; letter-spacing: -.03em; }
.modal-lead { color: var(--muted); font-size: 11px; line-height: 1.6; max-width: 680px; }
.profile-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 14px; margin-top: 12px; }
.profile-list { display: flex; flex-direction: column; gap: 7px; }
.profile-row { display: grid; grid-template-columns: 40px 1fr auto; gap: 9px; align-items: center; padding: 9px; border-radius: 13px; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.07); }
.profile-row.active { border-color: rgba(98,220,232,.35); background: rgba(98,220,232,.07); }
.profile-avatar { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font-weight: 900; background: linear-gradient(145deg, rgba(98,220,232,.22), rgba(184,156,255,.18)); }
.profile-row div:nth-child(2) { display: flex; flex-direction: column; }
.profile-row small { color: var(--muted); font-size: 8px; }
.profile-row b { font-size: 11px; }
.profile-row button { border: 1px solid rgba(255,255,255,.08); border-radius: 9px; background: rgba(255,255,255,.05); font-size: 8px; padding: 6px 8px; cursor: pointer; }
.profile-create { padding: 12px; border-radius: 15px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07); }
.profile-create h3 { margin: 0 0 10px; font-size: 14px; }
.profile-create label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 8px; margin: 8px 0; }
.profile-create input[type="text"] { border: 1px solid rgba(255,255,255,.09); border-radius: 10px; background: rgba(255,255,255,.05); color: #fff; padding: 9px; font-size: 10px; }
.profile-create .primary-btn, .profile-create .secondary-btn, .profile-create .import-btn { width: 100%; margin-top: 6px; }
.separator { height: 1px; background: rgba(255,255,255,.07); margin: 12px 0; }
.import-btn { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.10); position: relative; overflow: hidden; }
.import-btn input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.leaderboard-summary { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin: 12px 0; }
.leaderboard-summary div { padding: 10px; border-radius: 13px; background: rgba(255,255,255,.035); display: flex; flex-direction: column; }
.leaderboard-summary span { color: var(--muted); font-size: 8px; }
.leaderboard-summary b { font-size: 17px; }
.leaderboard-table-wrap { overflow: auto; }
.leaderboard-table { width: 100%; border-collapse: collapse; font-size: 10px; }
.leaderboard-table th, .leaderboard-table td { text-align: left; padding: 9px 7px; border-bottom: 1px solid rgba(255,255,255,.07); white-space: nowrap; }
.leaderboard-table th { color: var(--muted); font-size: 8px; letter-spacing: .05em; }
.leaderboard-table tr.me { background: rgba(98,220,232,.05); }
.help-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 8px; margin-top: 12px; }
.help-grid article { border-radius: 14px; padding: 11px; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.07); position: relative; }
.help-grid article > span { width: 22px; height: 22px; border-radius: 8px; display: grid; place-items: center; background: rgba(98,220,232,.10); color: var(--cyan); font-size: 9px; font-weight: 900; margin-bottom: 6px; }
.help-grid b { font-size: 11px; }
.help-grid p { color: var(--muted); font-size: 9px; line-height: 1.45; margin: 4px 0 0; }
.help-note { margin-top: 12px; border-left: 2px solid var(--amber); padding-left: 10px; color: var(--muted); font-size: 9px; line-height: 1.5; }
.completion-card { text-align: center; width: min(460px, 94vw); }
.completion-icon { width: 70px; height: 70px; margin: 0 auto 8px; border-radius: 22px; display: grid; place-items: center; font-size: 34px; background: rgba(255,199,100,.10); border: 1px solid rgba(255,199,100,.18); }
.completion-stars { color: var(--amber); font-size: 28px; letter-spacing: 3px; margin: 6px 0; }
.completion-card > p { color: var(--muted); font-size: 11px; }
.completion-score { margin: 12px auto; padding: 10px; border-radius: 14px; background: rgba(255,255,255,.035); display: flex; flex-direction: column; width: 150px; }
.completion-score span { color: var(--muted); font-size: 8px; }
.completion-score b { font-size: 25px; color: var(--cyan); }
.breakdown { display: grid; grid-template-columns: repeat(3,1fr); gap: 6px; margin-bottom: 12px; }
.breakdown div { padding: 8px; border-radius: 11px; background: rgba(255,255,255,.03); display: flex; flex-direction: column; }
.breakdown span { color: var(--muted); font-size: 7px; }
.breakdown b { font-size: 11px; }
.completion-card .primary-btn, .completion-card .secondary-btn { width: 100%; margin-top: 6px; }

@media (max-width: 1320px) {
  .academy-panel { width: 316px; }
  .control-panel { width: 304px; }
  .compass { right: 328px; }
  .steering-dock { width: min(510px, calc(100vw - 675px)); min-width: 390px; }
  .hud-item { min-width: 78px; padding-inline: 8px; }
}

@media (max-width: 1080px) {
  .hud-item.optional { display: none; }
  .topbar { grid-template-columns: 1fr auto 1fr; }
  .academy-panel, .control-panel { width: 290px; }
  .compass { right: 313px; }
  .steering-dock { min-width: 350px; width: calc(100vw - 620px); }
  .steer-btn small { display: none; }
}

@media (max-width: 900px) {
  .app-shell { min-height: 520px; }
  .topbar { top: 8px; left: 8px; right: 8px; height: 62px; border-radius: 17px; grid-template-columns: 1fr auto; }
  .brand-mark { width: 39px; height: 39px; border-radius: 12px; font-size: 20px; }
  .brand-title { font-size: 14px; }
  .brand-subtitle { display: none; }
  .hud-strip { display: none; }
  .top-actions .icon-btn:nth-of-type(4), .top-actions .icon-btn:nth-of-type(5) { display: none; }
  .profile-chip { min-width: 0; width: 40px; padding: 3px; }
  .profile-chip div { display: none; }
  .profile-chip > span { width: 32px; height: 32px; }

  .academy-panel, .control-panel {
    top: 80px; bottom: 82px; width: min(360px, calc(100vw - 22px)); z-index: 60; transform: translateX(-120%); transition: transform .25s ease; left: 11px; right: auto;
  }
  .control-panel { left: auto; right: 11px; transform: translateX(120%); }
  .academy-panel.open { transform: translateX(0); }
  .control-panel.open { transform: translateX(0); }
  .wind-ribbon { top: 82px; }
  .race-hud { top: 105px; }
  .compass { right: 12px; bottom: 84px; width: 70px; height: 70px; }
  .compass-rose { width: 54px; height: 54px; }
  .steering-dock { display: none; }
  .mobile-dock { display: grid; grid-template-columns: repeat(4,1fr); position: absolute; z-index: 55; left: 8px; right: 8px; bottom: 8px; height: 62px; border-radius: 18px; overflow: hidden; }
  .mobile-dock button { border: 0; border-right: 1px solid rgba(255,255,255,.07); background: rgba(255,255,255,.025); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; font-size: 18px; }
  .mobile-dock button span { font-size: 8px; color: var(--muted); font-weight: 800; }
  .center-toast { top: 91px; max-width: 85vw; }
  .profile-layout { grid-template-columns: 1fr; }
  .help-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .top-actions { gap: 4px; }
  .top-actions .icon-btn { width: 34px; height: 34px; border-radius: 10px; }
  .brand-title span { display: none; }
  .wind-ribbon { font-size: 7px; }
  .race-hud { width: calc(100vw - 24px); grid-template-columns: repeat(4,1fr); }
  .race-hud div { padding: 6px 3px; }
  .academy-panel, .control-panel { padding: 13px; }
  .lesson-map { grid-template-columns: repeat(4,1fr); }
  .modal-card { padding: 17px; }
  .leaderboard-summary { grid-template-columns: 1fr 1fr 1fr; }
  .leaderboard-table { font-size: 9px; }
}

/* =========================================================
   V3 CLASSROOM CLOUD
   Added on top of V2 without changing the simulator layout.
   ========================================================= */
.cloud-chip {
  height: 42px; border-radius: 13px; display: flex; align-items: center; gap: 7px;
  padding: 4px 9px 4px 6px; min-width: 132px; cursor: pointer;
  border: 1px solid rgba(255,255,255,.10); background: rgba(255,255,255,.055);
  transition: .2s ease;
}
.cloud-chip:hover { transform: translateY(-1px); background: rgba(255,255,255,.11); }
.cloud-chip > span { width: 31px; height: 31px; border-radius: 10px; display: grid; place-items: center; background: rgba(98,220,232,.13); font-size: 16px; }
.cloud-chip div { display: flex; flex-direction: column; text-align: left; min-width: 0; }
.cloud-chip small { color: var(--cyan); font-size: 7px; letter-spacing: .08em; font-weight: 900; white-space: nowrap; }
.cloud-chip b { font-size: 10px; max-width: 95px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cloud-chip.offline { opacity: .72; }
.cloud-chip.offline > span { background: rgba(255,114,114,.09); }
.cloud-chip.online { border-color: rgba(183,239,107,.25); box-shadow: inset 0 0 22px rgba(183,239,107,.035); }

.cloud-auth-card { width: min(840px, 96vw); }
.cloud-auth-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.cloud-form { padding: 15px; border-radius: 17px; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.075); }
.cloud-form.register { background: linear-gradient(145deg, rgba(98,220,232,.055), rgba(184,156,255,.035)); }
.cloud-form h3 { margin: 0 0 10px; font-size: 14px; }
.cloud-form label { display: flex; flex-direction: column; gap: 5px; color: var(--muted); font-size: 8px; margin: 9px 0; text-transform: uppercase; letter-spacing: .05em; font-weight: 800; }
.cloud-form input, .cloud-form select, .cloud-inline-form input, .cloud-course-pick select, .cloud-create-row input, .cloud-create-row select, .cloud-race-form input {
  color: var(--text); background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.105); border-radius: 10px; padding: 9px 10px;
}
.cloud-form input::placeholder, .cloud-inline-form input::placeholder, .cloud-create-row input::placeholder, .cloud-race-form input::placeholder { color: #708c9a; }
.cloud-form .primary-btn, .cloud-form .secondary-btn { width: 100%; margin-top: 7px; }
.cloud-hint { display: block; margin-top: 10px; color: var(--muted); font-size: 8px; line-height: 1.45; }
.demo-credentials { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin-top: 12px; }
.demo-credentials small { grid-column: 1/-1; color: var(--muted); font-size: 7px; letter-spacing: .08em; }
.demo-credentials button { border: 1px solid rgba(255,255,255,.08); border-radius: 9px; background: rgba(255,255,255,.045); padding: 7px; cursor: pointer; font-size: 8px; }
.cloud-error { margin-top: 10px; padding: 10px 12px; border-radius: 11px; border: 1px solid rgba(255,114,114,.25); background: rgba(255,114,114,.08); color: #ffd0d0; font-size: 9px; line-height: 1.5; }

.cloud-dashboard-card { width: min(1180px, 97vw); max-height: 92vh; padding: 18px; }
.cloud-dashboard-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding-right: 38px; }
.cloud-dashboard-head h2 { margin-bottom: 3px; }
.cloud-dashboard-head p { margin: 0; color: var(--muted); font-size: 9px; }
.cloud-head-actions { display: flex; align-items: center; gap: 7px; }
.secondary-btn.tiny, .primary-btn.tiny { width: auto; min-width: 0; padding: 7px 10px; font-size: 8px; margin: 0; }
.cloud-dashboard-root { margin-top: 12px; }
.cloud-loading { min-height: 180px; display: grid; place-items: center; color: var(--muted); font-size: 10px; }

.cloud-toolbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; margin-bottom: 10px; padding: 9px; border-radius: 14px; background: rgba(255,255,255,.028); border: 1px solid rgba(255,255,255,.065); }
.cloud-course-pick label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.cloud-course-pick select { min-width: 220px; padding: 7px 9px; font-size: 10px; }
.cloud-course-pick option, .cloud-create-row option { color: #071521; }
.cloud-inline-form { display: flex; gap: 6px; align-items: center; }
.cloud-inline-form input { min-width: 170px; padding: 7px 9px; font-size: 9px; }

.cloud-kpis { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; margin-bottom: 8px; }
.cloud-kpis > div { min-height: 76px; padding: 11px 12px; border-radius: 15px; background: linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.018)); border: 1px solid rgba(255,255,255,.07); display: flex; flex-direction: column; justify-content: center; }
.cloud-kpis small { color: var(--muted); font-size: 7px; letter-spacing: .09em; font-weight: 900; }
.cloud-kpis b { font-size: 21px; margin: 2px 0; }
.cloud-kpis span { color: #83a3b2; font-size: 8px; }
.cloud-kpis .code-value { color: var(--amber); letter-spacing: .14em; }
.cloud-kpis .course-name-kpi { font-size: 14px; max-width: 210px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.cloud-layout { display: grid; grid-template-columns: 1.35fr .65fr; gap: 8px; }
.cloud-panel { position: relative; min-width: 0; padding: 12px; border-radius: 16px; background: rgba(255,255,255,.031); border: 1px solid rgba(255,255,255,.07); overflow: hidden; }
.cloud-panel.wide-panel { grid-column: span 1; }
.cloud-panel.full-panel { grid-column: 1/-1; }
.cloud-section-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.cloud-section-head h3 { margin: 1px 0 0; font-size: 13px; }
.cloud-section-head > b, .cloud-section-head > span { color: var(--muted); font-size: 9px; }
.live-pulse { color: #91e883!important; font-size: 7px!important; font-weight: 900; letter-spacing: .06em; animation: cloudPulse 1.6s infinite ease-in-out; }
@keyframes cloudPulse { 0%,100%{opacity:.55} 50%{opacity:1} }

.cloud-table-wrap { overflow: auto; max-height: 275px; border-radius: 10px; }
.cloud-table { width: 100%; border-collapse: collapse; font-size: 9px; }
.cloud-table th, .cloud-table td { padding: 7px 7px; text-align: left; border-bottom: 1px solid rgba(255,255,255,.055); white-space: nowrap; }
.cloud-table th { position: sticky; top: 0; z-index: 1; color: var(--muted); font-size: 7px; letter-spacing: .06em; background: rgba(7,25,39,.96); }
.cloud-table tr.me { background: rgba(98,220,232,.065); }
.cloud-table button, .session-actions button, .race-actions button { border: 1px solid rgba(255,255,255,.08); border-radius: 8px; background: rgba(255,255,255,.05); color: var(--text); padding: 5px 7px; font-size: 7px; cursor: pointer; }
.cloud-table button:hover, .session-actions button:hover, .race-actions button:hover { background: rgba(98,220,232,.10); }

.student-chips { display: flex; flex-direction: column; gap: 6px; max-height: 270px; overflow: auto; }
.student-chip { display: grid; grid-template-columns: 34px 1fr; align-items: center; gap: 8px; padding: 7px; border-radius: 11px; background: rgba(255,255,255,.03); }
.student-chip > span { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: rgba(98,220,232,.10); color: var(--cyan); font-weight: 900; }
.student-chip div { display: flex; flex-direction: column; min-width: 0; }
.student-chip b { font-size: 9px; }
.student-chip small { color: var(--muted); font-size: 7px; overflow: hidden; text-overflow: ellipsis; }

.session-list, .race-challenge-list { display: flex; flex-direction: column; gap: 6px; max-height: 235px; overflow: auto; }
.session-item { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 8px; padding: 8px; border-radius: 11px; background: rgba(255,255,255,.029); border: 1px solid transparent; }
.session-item.live { border-color: rgba(255,114,114,.18); background: rgba(255,114,114,.035); }
.session-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; background: rgba(255,255,255,.05); }
.session-copy, .race-copy { min-width: 0; display: flex; flex-direction: column; }
.session-copy b, .race-copy b { font-size: 9px; }
.session-copy small, .race-copy small { color: var(--muted); font-size: 7px; margin-top: 2px; }
.session-actions, .race-actions { display: flex; gap: 4px; align-items: center; }
.cloud-create-row, .cloud-race-form { display: grid; grid-template-columns: minmax(160px,1fr) 140px auto; gap: 6px; margin-bottom: 8px; }
.cloud-create-row input, .cloud-create-row select, .cloud-race-form input { padding: 7px 8px; font-size: 8px; }
.cloud-race-form { grid-template-columns: minmax(155px,1fr) 160px 160px auto; }

.race-challenge { display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 8px; padding: 8px; border-radius: 12px; background: rgba(255,255,255,.028); border: 1px solid rgba(255,255,255,.055); }
.race-challenge.open-race { border-color: rgba(255,199,100,.16); background: linear-gradient(90deg, rgba(255,199,100,.045), rgba(255,255,255,.02)); }
.race-badge { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: rgba(255,199,100,.09); font-size: 17px; }
.race-copy p { margin: 3px 0 0; color: #a9c1cc; font-size: 7px; line-height: 1.35; white-space: normal; }
.race-actions { flex-wrap: wrap; justify-content: flex-end; }

.cloud-empty { min-height: 220px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: var(--muted); }
.cloud-empty > span { font-size: 36px; }
.cloud-empty h3 { margin: 8px 0 3px; color: var(--text); }
.cloud-empty p { max-width: 440px; margin: 0; font-size: 9px; line-height: 1.5; }
.cloud-empty.small { min-height: 80px; }

.race-board-overlay { position: absolute; inset: 58px 10px 10px; z-index: 20; display: grid; place-items: center; background: rgba(2,11,18,.68); border-radius: 16px; backdrop-filter: blur(7px); }
.race-board-card { width: min(760px,94%); max-height: 78%; overflow: auto; padding: 16px; border-radius: 17px; background: #092033; border: 1px solid rgba(255,255,255,.10); box-shadow: 0 24px 60px rgba(0,0,0,.4); position: relative; }
.race-board-card h3 { margin: 3px 0; }
.race-board-card > p { color: var(--muted); font-size: 8px; margin: 4px 0 10px; }
.race-board-close { position: absolute; right: 9px; top: 9px; width: 31px; height: 31px; border-radius: 9px; border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.05); color: #fff; cursor: pointer; }

@media (max-width: 1180px) {
  .cloud-chip { min-width: 42px; width: 42px; padding: 5px; }
  .cloud-chip div { display: none; }
  .cloud-chip > span { width: 30px; height: 30px; }
  .cloud-layout { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .cloud-dashboard-card { width: min(720px, 97vw); max-height: 88vh; }
  .cloud-auth-grid { grid-template-columns: 1fr; }
  .cloud-kpis { grid-template-columns: 1fr 1fr; }
  .cloud-layout { grid-template-columns: 1fr; }
  .cloud-panel.wide-panel, .cloud-panel.full-panel { grid-column: 1; }
  .cloud-race-form, .cloud-create-row { grid-template-columns: 1fr 1fr; }
  .cloud-race-form button, .cloud-create-row button { grid-column: 1/-1; }
  .top-actions .cloud-chip { display: flex; }
}

@media (max-width: 560px) {
  .cloud-chip { width: 34px; min-width: 34px; height: 34px; border-radius: 10px; padding: 2px; }
  .cloud-chip > span { width: 28px; height: 28px; border-radius: 8px; }
  .cloud-dashboard-card { padding: 13px; max-height: 91vh; }
  .cloud-dashboard-head { flex-direction: column; padding-right: 32px; }
  .cloud-toolbar { align-items: stretch; flex-direction: column; }
  .cloud-course-pick select { min-width: 0; width: 100%; }
  .cloud-inline-form { width: 100%; }
  .cloud-inline-form input { flex: 1; min-width: 0; }
  .cloud-kpis { grid-template-columns: 1fr 1fr; }
  .cloud-kpis > div { min-height: 65px; padding: 8px; }
  .cloud-kpis b { font-size: 16px; }
  .cloud-race-form, .cloud-create-row { grid-template-columns: 1fr; }
  .cloud-race-form button, .cloud-create-row button { grid-column: 1; }
  .session-item, .race-challenge { grid-template-columns: 30px 1fr; }
  .session-actions, .race-actions { grid-column: 1/-1; justify-content: flex-end; }
  .race-board-overlay { inset: 50px 4px 4px; }
  .cloud-auth-grid { gap: 7px; }
}
@media (max-width: 1420px) and (min-width: 901px) {
  .cloud-chip { min-width: 42px; width: 42px; padding: 5px; }
  .cloud-chip div { display: none; }
  .cloud-chip > span { width: 30px; height: 30px; }
}
@media (max-width: 900px) {
  #pauseBtn, #resetBtn { display: none!important; }
}

#mobileSteerLeft, #mobileSteerRight { touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; -webkit-tap-highlight-color: transparent; pointer-events: auto; }

/* ========================= NAUTLY ACADEMY V3.1 ========================= */
.language-select{height:42px;min-width:58px;border:1px solid rgba(151,220,235,.2);border-radius:14px;background:rgba(10,39,54,.86);color:#e8fbff;font:800 12px/1 system-ui;padding:0 10px;outline:none}
.language-select:focus{border-color:rgba(89,219,238,.8);box-shadow:0 0 0 3px rgba(75,208,230,.12)}
.lesson-theory-card{margin:14px 0;border:1px solid rgba(120,210,228,.18);border-radius:16px;background:rgba(8,36,50,.38);overflow:hidden}
.lesson-theory-card summary{cursor:pointer;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;padding:12px 14px;list-style:none}.lesson-theory-card summary::-webkit-details-marker{display:none}
.lesson-theory-card summary b{font-size:13px}.lesson-theory-card summary small{font-size:10px;color:#9fc3cf}.lesson-theory-card[open] summary{border-bottom:1px solid rgba(120,210,228,.13)}
.lesson-theory-content{padding:14px;display:grid;gap:11px;font-size:12px;color:#c6dde5}.theory-block b,.theory-grid b{color:#8deaf3;text-transform:uppercase;font-size:10px;letter-spacing:.08em}.theory-block p,.theory-grid p{margin:5px 0 0;line-height:1.55}.theory-block ol{margin:7px 0 0;padding-left:20px;display:grid;gap:5px}.theory-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.theory-grid>div{padding:10px;border-radius:12px;background:rgba(255,255,255,.035)}
.assist-card{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:13px 14px;margin-bottom:14px;border:1px solid rgba(88,220,235,.18);border-radius:15px;background:linear-gradient(135deg,rgba(36,151,176,.14),rgba(8,37,52,.32))}.assist-card>div{display:grid;gap:3px}.assist-card b{font-size:13px}.assist-card small{color:#91b6c2;font-size:10px;line-height:1.35}.assist-card .switch{flex:none}
.debrief-card{margin:16px 0 14px;padding:15px;border:1px solid rgba(92,221,232,.18);border-radius:18px;background:rgba(8,31,44,.52);text-align:left}.debrief-card h3{margin:5px 0 8px;font-size:17px}.debrief-theory{font-size:12px;color:#c3dbe4;line-height:1.55}.debrief-theory p{margin:5px 0}.debrief-table{margin-top:11px;border:1px solid rgba(255,255,255,.08);border-radius:12px;overflow:hidden}.debrief-head,.debrief-row{display:grid;grid-template-columns:1.2fr .8fr 1.25fr;gap:8px;padding:8px 10px;align-items:center}.debrief-head{background:rgba(255,255,255,.045);font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:#91bac7}.debrief-row{border-top:1px solid rgba(255,255,255,.055);font-size:11px}.debrief-row b{color:#fff}.debrief-row small{color:#91b7c3}.debrief-row.ok b{color:#8eea9a}.debrief-row.warn b{color:#ffd27a}
.lesson-node .node-num{font-size:9px}.lesson-node.locked .node-num{opacity:.7}.lesson-node[title*="PRO"]{border-color:rgba(196,137,255,.17)}
.cloud-analytics-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:12px 0}.cloud-analytics-grid>div{padding:12px;border:1px solid rgba(117,208,226,.15);border-radius:14px;background:rgba(255,255,255,.025)}.cloud-analytics-grid small{display:block;font-size:9px;letter-spacing:.08em;color:#8fb9c6}.cloud-analytics-grid b{display:block;font-size:22px;margin-top:4px;color:#e9fbff}.cloud-analytics-grid span{font-size:10px;color:#83a9b7}
.teacher-analytics-toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:end;margin:10px 0 14px}.teacher-analytics-toolbar label{display:grid;gap:4px;color:#8fb8c5;font-size:9px;text-transform:uppercase;letter-spacing:.07em}.teacher-analytics-toolbar select,.teacher-analytics-toolbar input{height:34px;border-radius:10px;border:1px solid rgba(145,219,233,.17);background:rgba(8,32,44,.8);color:#e7f9fc;padding:0 10px}
.analytics-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:12px}.analytics-card{border:1px solid rgba(129,213,229,.14);border-radius:15px;background:rgba(4,25,36,.45);padding:13px}.analytics-card h4{margin:0 0 10px;font-size:14px}.analytics-list{display:grid;gap:7px}.analytics-item{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;padding:8px 9px;border-radius:10px;background:rgba(255,255,255,.03)}.analytics-item small{color:#88adba}.risk-high{color:#ff9e85}.risk-mid{color:#ffd47a}.risk-low{color:#8eea9a}
.lesson-heatmap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.lesson-heat-cell{padding:10px;border-radius:12px;border:1px solid rgba(255,255,255,.07);background:rgba(255,255,255,.025);display:grid;gap:4px}.lesson-heat-cell strong{font-size:11px}.lesson-heat-cell b{font-size:18px}.lesson-heat-cell small{color:#8fb2be}.lesson-heat-cell.high{background:rgba(224,79,72,.10);border-color:rgba(255,126,110,.18)}.lesson-heat-cell.mid{background:rgba(240,179,71,.08)}.lesson-heat-cell.low{background:rgba(61,191,137,.07)}
.student-analytics-table tr[data-student-id]{cursor:pointer}.student-analytics-table tr[data-student-id]:hover{background:rgba(91,222,237,.055)}.student-detail-panel{margin-top:12px;border:1px solid rgba(111,211,228,.16);border-radius:15px;padding:14px;background:rgba(5,27,39,.58)}.student-detail-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.student-detail-head h4{margin:0}.weak-tags,.error-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.weak-tags span,.error-tags span{padding:5px 8px;border-radius:999px;background:rgba(255,180,92,.1);border:1px solid rgba(255,190,100,.14);font-size:10px}.error-tags span{background:rgba(255,99,99,.08)}
.penalty-log{max-height:320px;overflow:auto}.penalty-pill{display:inline-flex;padding:3px 6px;border-radius:999px;background:rgba(255,102,91,.1);color:#ffb0a3;font-size:9px;font-weight:800}.pro-pill{display:inline-flex;padding:3px 7px;border-radius:999px;background:linear-gradient(135deg,rgba(176,104,255,.18),rgba(87,194,255,.13));border:1px solid rgba(186,129,255,.25);font-size:9px;font-weight:900;color:#e9d8ff}.tier-toggle{border:1px solid rgba(160,216,232,.18);background:rgba(255,255,255,.035);color:#d8eff5;border-radius:9px;padding:5px 8px;font-weight:800;cursor:pointer}
.cloud-sync-note{margin:8px 0;padding:9px 11px;border-radius:11px;background:rgba(75,211,229,.07);border:1px solid rgba(75,211,229,.13);font-size:10px;color:#a9d3dd}.cloud-sync-note.ok{color:#a7edb0}.cloud-sync-note.warn{color:#ffd58a}
.live-race-chip{position:absolute;top:230px;left:50%;transform:translateX(-50%);z-index:5;padding:7px 11px;border-radius:999px;background:rgba(5,30,43,.78);border:1px solid rgba(85,226,239,.25);font-size:10px;font-weight:900;color:#b8f7fc;pointer-events:none}
@media(max-width:1100px){.cloud-analytics-grid{grid-template-columns:repeat(3,1fr)}.analytics-grid{grid-template-columns:1fr}.lesson-heatmap{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.language-select{height:38px;min-width:50px}.theory-grid{grid-template-columns:1fr}.debrief-head,.debrief-row{grid-template-columns:1fr .72fr 1fr}.cloud-analytics-grid{grid-template-columns:repeat(2,1fr)}.lesson-heatmap{grid-template-columns:repeat(2,1fr)}}
/* V3.1 teacher dashboard final */
.teacher-kpis{grid-template-columns:repeat(5,minmax(0,1fr))}.teacher-analytics-actions{display:flex;justify-content:flex-end;gap:8px;margin:8px 0 12px}.analytics-layout .full-panel{grid-column:1/-1}.error-bars{display:grid;gap:8px}.error-bar-row{display:grid;grid-template-columns:minmax(100px,1fr) 2fr 34px;gap:8px;align-items:center;font-size:10px}.error-bar-row>div{height:8px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden}.error-bar-row i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#ffb45f,#ff776d)}.error-bar-row b{text-align:right}.student-link{display:grid;text-align:left;border:0;background:none;color:#eafaff;padding:0;cursor:pointer}.student-link small{font-size:8px;color:#86aebc}.tier-pill{border:1px solid rgba(133,210,226,.18);border-radius:999px;padding:4px 8px;background:rgba(255,255,255,.035);color:#cce8ef;font-weight:900;font-size:9px;cursor:pointer}.tier-pill.pro{color:#f0d9ff;border-color:rgba(195,130,255,.35);background:rgba(177,89,255,.12)}.warn-cell{color:#ffb28e;font-weight:900}.heat-card{padding:11px;border-radius:13px;border:1px solid rgba(255,255,255,.075);display:grid;gap:5px;background:rgba(255,255,255,.025)}.heat-card>div{display:flex;gap:6px;align-items:center}.heat-card>div span{font-weight:900;color:#7cebf4}.heat-card>div b{font-size:10px}.heat-card strong{font-size:22px}.heat-card small,.heat-card p{font-size:9px;color:#8fb2be;margin:0}.heat-card.good{box-shadow:inset 0 3px 0 rgba(78,222,151,.6)}.heat-card.mid{box-shadow:inset 0 3px 0 rgba(255,195,82,.65)}.heat-card.bad{box-shadow:inset 0 3px 0 rgba(255,101,92,.7)}.student-detail-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin:10px 0}.student-detail-grid>div{padding:9px;border-radius:11px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05)}.student-detail-grid small{display:block;font-size:8px;color:#87afbc}.student-detail-grid b{font-size:16px}.student-analysis-copy{display:grid;gap:6px;font-size:10px;color:#b5d1da}.student-analysis-copy h4{margin:7px 0 0;color:#eafaff}.analytics-table tbody tr{cursor:pointer}.analytics-table tbody tr:hover{background:rgba(89,222,238,.045)}
@media(max-width:1000px){.teacher-kpis{grid-template-columns:repeat(2,1fr)}.student-detail-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:650px){.student-detail-grid{grid-template-columns:repeat(2,1fr)}.error-bar-row{grid-template-columns:1fr 1.5fr 26px}}

/* Nautly Academy V3.1.2 — Classroom persistence / teacher-management fixes */
@media (min-width: 1180px) {
  .cloud-auth-card { width: min(1180px, 94vw); }
  .cloud-auth-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.teacher-enroll-panel { margin: 8px 0 12px; }
.teacher-enroll-panel .cloud-section-head { align-items: flex-end; }
.teacher-enroll-form { margin: 8px 0 10px; }
.teacher-enroll-form input { min-width: min(420px, 60vw); }
.teacher-roster { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); max-height: 190px; gap: 7px; }
.teacher-roster .student-chip { grid-template-columns: 34px 1fr 30px; }
.tiny-remove { width: 28px; height: 28px; min-width: 28px; padding: 0; border-radius: 9px; border: 1px solid rgba(255,126,126,.18); background: rgba(255,82,82,.06); color: #ffaaa5; cursor: pointer; }
.tiny-remove:hover { background: rgba(255,82,82,.16); color: #fff; }
.global-board-panel { margin-top: 12px; }
.cloud-empty-with-board { padding-bottom: 12px; }
.leaderboard-table tr.me, .cloud-table tr.me { background: rgba(84,221,235,.075); }
.leaderboard-table .tier-pill { margin-left: 6px; }
@media (max-width: 760px) {
  .teacher-analytics-actions { justify-content: stretch; flex-wrap: wrap; }
  .teacher-analytics-actions button { flex: 1 1 135px; }
  .teacher-enroll-form { width: 100%; flex-direction: column; align-items: stretch; }
  .teacher-enroll-form input { min-width: 0; width: 100%; }
  .teacher-roster { grid-template-columns: 1fr; }
}

/* Nautly Academy V3.1.2 — selective readability pass.
   Only microcopy/tables were enlarged; container sizes and layout geometry are unchanged. */
.lesson-node .node-num { font-size: 9.5px; }
.lesson-node .node-stars { font-size: 10px; }
.level-meta span, .level-card > small { font-size: 10px; }
.coach-box small { font-size: 9px; }
.coach-box p { font-size: 11px; }
.objective-row span, .score-row span { font-size: 9px; }
.objective-row b { font-size: 11px; }
.range-block > small { font-size: 8px; }
.action-tile small { font-size: 8px; }
.flow-state p { font-size: 9px; }
.instrument-grid span { font-size: 9px; }
.instrument-grid small, .gps-grid span { font-size: 8px; }
.profile-row small, .profile-create label { font-size: 9px; }
.profile-row button { font-size: 9px; }
.leaderboard-summary span { font-size: 9px; }
.leaderboard-table { font-size: 10px; }
.leaderboard-table th { font-size: 9px; }
.cloud-chip small { font-size: 8px; }
.cloud-form label { font-size: 9px; }
.cloud-hint { font-size: 9px; }
.cloud-dashboard-head p { font-size: 10px; }
.secondary-btn.tiny, .primary-btn.tiny { font-size: 9px; }
.cloud-course-pick label { font-size: 8px; }
.cloud-inline-form input { font-size: 10px; }
.cloud-kpis small { font-size: 8px; }
.cloud-kpis span { font-size: 9px; }
.cloud-section-head > b, .cloud-section-head > span { font-size: 10px; }
.live-pulse { font-size: 8px !important; }
.cloud-table { font-size: 10px; }
.cloud-table th { font-size: 8.5px; }
.cloud-table button, .session-actions button, .race-actions button { font-size: 8.5px; }
.student-chip b { font-size: 10px; }
.student-chip small { font-size: 9px; }
.student-link small { font-size: 9px; }
.heat-card > div b { font-size: 11px; }
.heat-card small, .heat-card p { font-size: 10px; }
.student-detail-grid small { font-size: 9px; }
.student-analysis-copy { font-size: 11px; }
.error-bar-row { font-size: 11px; }
@media (max-width: 700px) {
  .cloud-table { font-size: 9.5px; }
  .cloud-table th { font-size: 8px; }
  .coach-box p { font-size: 10.5px; }
}