/* Interface refinement: progressive enhancement, no learning logic changes. */
:root{--ui-radius:18px;--ui-focus:#66e9e2}
html{scroll-behavior:smooth}
body{min-height:100dvh}
button,input,textarea,select{touch-action:manipulation}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--ui-focus);outline-offset:3px}
button{transition:background-color .16s ease,border-color .16s ease,color .16s ease}
button:disabled{cursor:not-allowed}
.wrap{width:100%;min-width:0}
.card,.hero,.rpg-hud{min-width:0;overflow-wrap:anywhere}
.card{border-radius:var(--ui-radius)}
.section-title{letter-spacing:-.035em;line-height:1.2}
nav{gap:clamp(2px,1vw,12px);box-shadow:0 -8px 30px #0005;isolation:isolate}
nav button{min-height:52px;border-radius:12px;transition:color .16s ease,background-color .16s ease}
nav button.active{background:#d7ff0012}
nav button:focus-visible{outline-offset:-2px}
.primary,.secondary,.choice{min-height:44px}
.primary:active,.secondary:active,.choice:active{transform:translateY(1px)}
input,textarea,select{max-width:100%;font-size:16px}
.actions>*{max-width:100%}
@media(min-width:1000px){
  header,.wrap{max-width:1120px}
  .wrap{padding-bottom:90px}
  nav{left:50%;right:auto;transform:translateX(-50%);width:min(740px,calc(100% - 32px));bottom:14px;border:1px solid var(--line);border-radius:18px;padding:8px;background:#0d1421f5}
  nav button{flex:1}
}
@media(max-width:600px){
  .wrap{padding-inline:12px;padding-bottom:calc(100px + env(safe-area-inset-bottom))}
  header{padding-inline:14px}
  .hero{padding:20px 17px}
  .card{padding:16px}
  .stats{gap:6px}
  .stat{padding:10px 8px}
  .stat strong{font-size:clamp(17px,5vw,24px)}
  .row{flex-wrap:wrap}
  .actions{gap:8px}
  .actions button{flex-grow:1}
  nav button{min-height:54px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* Academy dashboard */
.academy-dashboard{margin:18px 0;padding:clamp(16px,3vw,24px);border:1px solid #3c5966;border-radius:20px;background:linear-gradient(135deg,#132632 0%,#101722 55%,#151c26 100%);box-shadow:inset 0 1px #ffffff13}
.academy-dashboard-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap}
.academy-dashboard h2{font-size:clamp(21px,4vw,29px);margin:6px 0;letter-spacing:-.04em}
.academy-dashboard p{margin:0;color:var(--muted);font-size:13px}
.academy-live{font:700 10px ui-monospace,monospace;letter-spacing:.07em;color:#5ce9ce;white-space:nowrap}
.academy-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:22px 0 14px}
.academy-metrics>div{min-width:0;border:1px solid #344657;border-radius:12px;padding:14px 12px;background:#08121d9c}
.academy-metrics span{display:block;color:#9ab1c2;font:700 10px ui-monospace,monospace;letter-spacing:.04em}
.academy-metrics strong{display:block;margin-top:8px;color:#e5ff9a;font-size:clamp(16px,3vw,23px);overflow-wrap:anywhere}
.academy-shortcuts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.academy-shortcuts button{min-width:0;text-align:left;border:1px solid #385364;background:#192936;color:#f2f8ff;border-radius:12px;padding:14px;display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.academy-shortcuts button:hover,.academy-shortcuts button:focus-visible{border-color:#6ad5d3;background:#213b49}
.academy-shortcuts button>span{font-size:23px;color:#d7ff00}
.academy-shortcuts button b{font-size:13px}
.academy-shortcuts button small{font-size:11px;color:#a7b6c9}
@media(max-width:460px){.academy-metrics{gap:5px}.academy-metrics>div{padding:10px 7px}.academy-metrics span{font-size:9px}.academy-shortcuts{grid-template-columns:1fr}.academy-shortcuts button{display:grid;grid-template-columns:30px 1fr;column-gap:10px;padding:11px 13px}.academy-shortcuts button>span{grid-row:span 2}.academy-shortcuts button small{grid-column:2}}

/* Home screen declutter: RPG profile is the single visual progress indicator. */
#home>.hero .progress{display:none!important}
#home>.hero .hero-course-status{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-top:16px}
#home>.hero .hero-course-status .pill{font-size:10px}
#home .rpg-level{font-size:clamp(24px,6vw,34px);line-height:1.1;white-space:nowrap}
#home .rpg-top{align-items:center}
#home .rpg-xp{text-align:right}
@media(max-width:420px){#home .rpg-top{gap:8px}#home .rpg-xp{font-size:11px}}

/* Compact RPG profile and one primary learning action */
#home .rpg-hud{padding:clamp(14px,3vw,20px);margin:14px 0}
#home .rpg-hud .player-identity{margin-bottom:12px}
#home .rpg-hud .rank-tag{display:none}
#home .rpg-hud .xp-track{margin:12px 0}
#home .rpg-hud .rank-road{margin-top:10px}
#home .rpg-hud .rank-node{padding:5px 1px!important}
#home .rpg-hud .rank-node .symbol{font-size:16px}
#home .rpg-extra{margin-top:12px;border-top:1px solid #ffffff20;padding-top:10px}
#home .rpg-extra summary{cursor:pointer;color:var(--muted);font-size:12px;min-height:34px;display:list-item;list-style:disclosure-closed inside}
#home .rpg-extra[open] summary{list-style:disclosure-open inside}
#home .learning-continue .callout{margin:12px 0;font-size:13px}
#home .learning-continue .primary{min-height:48px}
@media(max-width:460px){#home .rpg-hud .rank-node .rank-label{font-size:8px!important}#home .rpg-hud .rpg-level{font-size:27px}}

/* Unified student profile, one course completion bar */
#home .hero .progress{display:none!important}
#home .rpg-hud .rpg-top{display:flex;flex-wrap:nowrap;align-items:center;justify-content:space-between;gap:12px}
#home .rpg-hud .rpg-top>div:first-child{min-width:0;flex:0 0 auto}
#home .rpg-hud .rpg-top>div:last-child{min-width:0;flex:1;text-align:right}
#home .rpg-hud .rpg-level{white-space:nowrap!important;word-break:normal!important;overflow-wrap:normal!important;font-size:clamp(22px,5.5vw,32px)!important;line-height:1.15}
#home .rpg-hud .player-identity{margin-bottom:12px}
#home .course-progress-summary{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:15px 0 8px;color:#d7e2ed;font-size:12px}
#home .course-progress-summary span:last-child{color:var(--lime);white-space:nowrap}
#home .rpg-hud .xp-track{margin:0 0 14px}
#home .rpg-hud .rank-road{margin-top:8px}
@media(max-width:400px){#home .rpg-hud .rpg-top{gap:7px}#home .rpg-hud .rpg-xp{font-size:11px}}

#cloudRetry{font-size:12px;margin-top:10px}
.stars-payment-info{border:1px solid #735b96;border-radius:12px;background:linear-gradient(135deg,#251634,#191a30);padding:13px 15px;margin:14px 0;color:#f4e7ff}
.stars-payment-info strong{font-size:14px}
.stars-payment-info p{font-size:12px;line-height:1.5;color:#c9bddb;margin:7px 0 0}

#home .cloud-quick{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:12px 0;padding:11px 14px;border:1px solid #6c548a;border-radius:13px;background:#1c142adf;color:#e5dcef;font-size:12px}
#home .cloud-quick span{min-width:0;overflow-wrap:anywhere}
#home .cloud-quick button{flex-shrink:0;border:1px solid #a489bd;border-radius:9px;padding:9px;color:#e7ff73;background:#2a1d3b;font-size:12px}