/* Campus Galaxy - galaxy + white theme */
:root{
  --ink:#1b1f4b; --muted:#6a6f94; --line:#e6e8f6; --bg:#f5f6ff; --card:#ffffff;
  --violet:#6c5ce7; --violet2:#8c7bff; --cyan:#35c6f4; --pink:#ff6fb5;
  --good:#1f9d6b; --ok:#e69a1c; --low:#e5484d;
  --s1:#080c28; --s2:#141a52; --s3:#2a1b6e;
  --radius:16px; --shadow:0 6px 24px rgba(40,34,120,.08);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:Inter,"Segoe UI",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5;font-size:15px}
h1,h2,h3,h4{font-family:"Space Grotesk",Inter,sans-serif;margin:0;letter-spacing:-.01em}
a{color:var(--violet);text-decoration:none}
a:hover{text-decoration:underline}
.muted{color:var(--muted)} .small{font-size:13px} .tiny{font-size:12px}
.right{text-align:right} .center{text-align:center} .nowrap{white-space:nowrap}

/* stars */
.stars{
  background-image:
    radial-gradient(1.5px 1.5px at 22px 34px,#fff,transparent),
    radial-gradient(1px 1px at 84px 126px,#fff,transparent),
    radial-gradient(2px 2px at 144px 62px,#d3c9ff,transparent),
    radial-gradient(1px 1px at 204px 184px,#fff,transparent),
    radial-gradient(1.5px 1.5px at 44px 224px,#a6e8ff,transparent),
    radial-gradient(1px 1px at 170px 12px,#fff,transparent);
  background-size:240px 260px;
}

/* layout */
.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:20px 14px;color:#dcd8ff;
  background:linear-gradient(180deg,var(--s1),var(--s2) 62%,var(--s3))}
.sidebar::before{content:"";position:absolute;inset:0;opacity:.7;pointer-events:none}
.sidebar > *{position:relative}
.brand{display:flex;align-items:center;gap:10px;padding:4px 10px 18px;color:#fff;font-family:"Space Grotesk";font-weight:700;font-size:19px}
.brand img{width:34px;height:34px}
.brand small{display:block;font-weight:500;font-size:11px;color:#a9a4e6;letter-spacing:.08em;text-transform:uppercase}
.nav{display:flex;flex-direction:column;gap:2px;overflow:auto;flex:1}
.nav a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:11px;color:#cfcaf7;font-weight:500;font-size:14px}
.nav a:hover{background:rgba(255,255,255,.07);text-decoration:none;color:#fff}
.nav a.active{background:linear-gradient(90deg,rgba(140,123,255,.45),rgba(53,198,244,.18));color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.nav .ico{width:22px;text-align:center;font-size:16px}
.userchip{margin-top:12px;padding:12px;border-radius:14px;background:rgba(255,255,255,.07);display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--violet2),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:700;flex:none}
.userchip b{display:block;color:#fff;font-size:13px;line-height:1.2}
.userchip span{font-size:11px;color:#a9a4e6;text-transform:capitalize}
.userchip a{margin-left:auto;color:#cfcaf7;font-size:12px}

.main{padding:22px 30px 50px;min-width:0}
.hero{position:relative;overflow:hidden;border-radius:22px;color:#fff;padding:26px 30px;margin-bottom:22px;min-height:132px;
  background:linear-gradient(120deg,var(--s1),var(--s2) 55%,#3a1f8f)}
.hero .art{position:absolute;right:-30px;top:-40px;height:230px;opacity:.95;pointer-events:none}
.hero h1{font-size:27px;position:relative}
.hero p{margin:6px 0 0;color:#cfcaf7;position:relative;max-width:560px}
.hero .actions{margin-top:14px;position:relative;display:flex;gap:10px;flex-wrap:wrap}
.hero .robot{position:absolute;right:34px;bottom:-4px;height:150px}

/* cards & grids */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))} .g32{grid-template-columns:1.4fr 1fr} .g23{grid-template-columns:1fr 1.4fr}
.card{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border:1px solid var(--line)}
.card h3{font-size:16px;margin-bottom:12px}
.card h3 .sub{font-family:Inter;font-weight:500;font-size:12px;color:var(--muted);margin-left:6px}
.mt{margin-top:18px} .mb{margin-bottom:18px}
.section-title{font-size:18px;margin:26px 0 12px}

.kpi{display:flex;flex-direction:column;gap:2px}
.kpi .v{font-family:"Space Grotesk";font-size:30px;font-weight:700;line-height:1.1}
.kpi .l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.kpi .d{font-size:12px;color:var(--muted)}
.kpi.good .v{color:var(--good)} .kpi.ok .v{color:var(--ok)} .kpi.low .v{color:var(--low)}

/* score ring */
.ring{--p:70;--c:var(--violet);width:150px;height:150px;border-radius:50%;display:grid;place-items:center;margin:auto;
  background:conic-gradient(var(--c) calc(var(--p)*1%),#eceefb 0);position:relative}
.ring::before{content:"";position:absolute;inset:14px;background:#fff;border-radius:50%}
.ring span{position:relative;font-family:"Space Grotesk";font-size:34px;font-weight:700;line-height:1}
.ring small{position:relative;display:block;font-size:11px;color:var(--muted);text-align:center;font-family:Inter;font-weight:500}
.ring.sm{width:104px;height:104px}.ring.sm::before{inset:11px}.ring.sm span{font-size:24px}
.ring.good{--c:var(--good)}.ring.ok{--c:var(--ok)}.ring.low{--c:var(--low)}

/* bars */
.bar{height:9px;background:#eceefb;border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--violet2),var(--cyan))}
.bar.good i{background:linear-gradient(90deg,#34c58f,#1f9d6b)} .bar.ok i{background:linear-gradient(90deg,#f6c453,#e69a1c)} .bar.low i{background:linear-gradient(90deg,#ff8a8f,#e5484d)}
.barrow{display:grid;grid-template-columns:150px 1fr 54px;gap:12px;align-items:center;margin:11px 0;font-size:14px}
.barrow .n{font-weight:500}.barrow .p{text-align:right;font-weight:600}
.marker{position:relative}.marker::after{content:"";position:absolute;left:75%;top:-3px;bottom:-3px;width:2px;background:var(--ink);opacity:.35}

/* pills */
.pill{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600;background:#eef0ff;color:var(--violet)}
.pill.good{background:#e1f6ed;color:var(--good)}.pill.ok{background:#fdf1d9;color:#b87708}.pill.low,.pill.high{background:#fde6e7;color:var(--low)}
.pill.medium{background:#fdf1d9;color:#b87708}.pill.lowrisk{background:#e1f6ed;color:var(--good)}
.pill.cyan{background:#dcf5fd;color:#0b7fa3}.pill.dark{background:#1b1f4b;color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:#fff;border-radius:99px;padding:6px 13px;font-size:13px;cursor:pointer;color:var(--ink);font-family:inherit}
.chip:hover,.chip.on{border-color:var(--violet2);background:#f1efff;color:var(--violet);text-decoration:none}

/* buttons & forms */
.btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;font:600 14px Inter,sans-serif;padding:10px 18px;border-radius:12px;
  background:linear-gradient(135deg,var(--violet),var(--violet2));color:#fff;box-shadow:0 6px 16px rgba(108,92,231,.28)}
.btn:hover{text-decoration:none;filter:brightness(1.06)}
.btn.ghost{background:#fff;color:var(--violet);box-shadow:none;border:1px solid #d9d5ff}
.btn.light{background:rgba(255,255,255,.16);color:#fff;box-shadow:none;border:1px solid rgba(255,255,255,.3)}
.btn.sm{padding:6px 13px;font-size:13px;border-radius:10px}
.btn.danger{background:#fff;color:var(--low);border:1px solid #f4c4c6;box-shadow:none}
.btn:disabled{opacity:.5;cursor:not-allowed}
label{display:block;font-size:13px;font-weight:600;margin:12px 0 5px}
input,select,textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid #dcdff3;border-radius:11px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #cfc8ff;border-color:var(--violet2)}
textarea{resize:vertical}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.row > .grow{flex:1;min-width:160px}
.flash{padding:11px 16px;border-radius:12px;margin-bottom:14px;font-weight:500}
.flash.ok{background:#e1f6ed;color:#14724d}.flash.error{background:#fde6e7;color:#b3282d}

/* tables */
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--line);background:#fafaff}
.table td{padding:11px 12px;border-bottom:1px solid #f0f1fa;vertical-align:middle}
.table tr:hover td{background:#fbfbff}
.scroll{overflow-x:auto}
.cell{display:inline-block;min-width:44px;text-align:center;padding:3px 8px;border-radius:8px;font-weight:600;font-size:13px}
.cell.good{background:#e1f6ed;color:var(--good)}.cell.ok{background:#fdf1d9;color:#b87708}.cell.low{background:#fde6e7;color:var(--low)}

/* lists */
.list{list-style:none;margin:0;padding:0}
.list li{padding:11px 0;border-bottom:1px solid #f0f1fa;display:flex;gap:12px;align-items:flex-start}
.list li:last-child{border-bottom:0}
.tip{display:flex;gap:12px;padding:12px 14px;background:linear-gradient(90deg,#f3f1ff,#eefaff);border-radius:12px;margin-bottom:10px}
.tip b{color:var(--violet)}
.plan{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px}
.plan div{background:#f7f6ff;border:1px solid #e8e5ff;border-radius:12px;padding:12px;font-size:13px}
.plan b{display:block;color:var(--violet);font-family:"Space Grotesk";margin-bottom:2px}
.plan .t{font-weight:600;margin-bottom:4px}

/* tests */
.test-card{display:flex;flex-direction:column;gap:8px;position:relative}
.test-card .lang{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:700;color:#fff;font-family:"Space Grotesk";
  background:linear-gradient(135deg,var(--violet),var(--cyan))}
.test-card.quiz .lang{background:linear-gradient(135deg,#ff6fb5,#8c7bff)}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.q{padding:16px;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;background:#fff}
.q .opt{display:flex;gap:10px;align-items:center;padding:9px 12px;border:1px solid #e4e6f7;border-radius:11px;margin-top:8px;cursor:pointer;font-weight:500}
.q .opt:hover{background:#f7f6ff}
.q .opt input{width:auto}
.q.right{border-color:#9ddcc0;background:#f4fcf8}.q.wrong{border-color:#f5b9bc;background:#fff7f7}
.timer{position:sticky;top:10px;z-index:5;float:right;background:#1b1f4b;color:#fff;border-radius:99px;padding:8px 16px;font-weight:700}

/* code editor */
.ide{display:grid;grid-template-columns:260px 1fr;gap:18px}
.plist button{display:flex;width:100%;justify-content:space-between;align-items:center;gap:8px;text-align:left;border:1px solid var(--line);background:#fff;padding:11px 13px;border-radius:12px;margin-bottom:8px;cursor:pointer;font:600 14px Inter;color:var(--ink)}
.plist button.on{border-color:var(--violet2);background:#f3f1ff}
.editor{width:100%;min-height:300px;font:14px/1.55 "JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;background:#0e1238;color:#e9e7ff;border-radius:14px;
  border:1px solid #232a73;padding:16px;tab-size:4;white-space:pre}
.editor:focus{outline:2px solid #6c5ce7}
.console{background:#0a0e2c;color:#d8d5ff;border-radius:14px;padding:14px;font:13px/1.5 ui-monospace,Menlo,Consolas,monospace;white-space:pre-wrap;min-height:70px;margin-top:12px}
.case{border-radius:12px;padding:10px 12px;margin:8px 0;font-size:13px;border:1px solid #e4e6f7;background:#fff}
.case.pass{border-color:#9ddcc0;background:#f4fcf8}.case.fail{border-color:#f5b9bc;background:#fff7f7}
.case pre{margin:4px 0 0;font:12px ui-monospace,Menlo,monospace;white-space:pre-wrap}
.scorebox{background:linear-gradient(120deg,var(--s2),var(--s3));color:#fff;border-radius:14px;padding:14px 18px;margin-top:12px;display:none}

/* chat */
.chat{display:flex;flex-direction:column;height:560px}
.msgs{flex:1;overflow:auto;padding:6px 4px;display:flex;flex-direction:column;gap:12px}
.msg{max-width:84%;padding:12px 15px;border-radius:16px;font-size:14.5px;line-height:1.55}
.msg.bot{background:#f3f1ff;border-top-left-radius:4px;align-self:flex-start}
.msg.me{background:linear-gradient(135deg,var(--violet),var(--violet2));color:#fff;border-top-right-radius:4px;align-self:flex-end}
.msg.me a{color:#fff}
.msg b{font-weight:700}
.chatbar{display:flex;gap:10px;margin-top:12px}
.chatbar input{flex:1}
.bot-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.bot-head img{height:54px}

/* misc */
.event{display:flex;gap:14px;align-items:flex-start}
.date{flex:none;width:56px;text-align:center;border-radius:12px;background:linear-gradient(160deg,var(--s2),var(--s3));color:#fff;padding:7px 0}
.date b{display:block;font-size:20px;font-family:"Space Grotesk";line-height:1}.date span{font-size:11px;text-transform:uppercase;color:#c9c3ff}
.stat-row{display:flex;gap:26px;flex-wrap:wrap}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:8px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}
.chartbox{position:relative;height:260px}
.empty{padding:26px;text-align:center;color:var(--muted)}
.dots{letter-spacing:3px;color:var(--violet)} .dots .off{color:#d9dcf0}
.footer{margin-top:34px;text-align:center;font-size:12px;color:var(--muted)}

/* login */
.login{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:var(--bg)}
.login .art{position:relative;overflow:hidden;color:#fff;padding:46px;display:flex;flex-direction:column;justify-content:space-between;
  background:linear-gradient(150deg,var(--s1),var(--s2) 55%,#3b1f94)}
.login .art .galaxy{position:absolute;right:-120px;top:-10px;width:760px;opacity:.9}
.login .art .planet{position:absolute;left:46px;bottom:60px;width:190px;animation:float 7s ease-in-out infinite}
.login .art h1{font-size:40px;line-height:1.1;position:relative;max-width:460px}
.login .art p{position:relative;color:#cfcaf7;max-width:440px}
.login .art ul{position:relative;list-style:none;padding:0;margin:18px 0 0;display:grid;gap:8px;color:#e4e1ff;font-size:14px}
.login .panel{display:grid;place-items:center;padding:30px}
.login form{width:100%;max-width:380px}
.demo{margin-top:18px;border:1px dashed #cfc9ff;border-radius:14px;padding:12px 14px;background:#faf9ff;font-size:13px}
.demo button{all:unset;cursor:pointer;color:var(--violet);font-weight:600}
.demo div{display:flex;justify-content:space-between;padding:3px 0}
@keyframes float{50%{transform:translateY(-12px)}}

@media (max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g32,.g23{grid-template-columns:1fr}.plan{grid-template-columns:repeat(2,1fr)}.ide{grid-template-columns:1fr}}
@media (max-width:860px){
  .app{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto;padding:12px}
  .nav{flex-direction:row;overflow-x:auto;padding-bottom:6px}.nav a{white-space:nowrap}
  .userchip{display:none}
  .main{padding:16px}.g2,.g3,.g4{grid-template-columns:1fr}
  .hero .art,.hero .robot{opacity:.35}
  .login{grid-template-columns:1fr}.login .art{display:none}
  .barrow{grid-template-columns:100px 1fr 44px}
}