/* ============================================================
   CRYPTERA NET — CTFd theme  ("The Range")
   Overlay stylesheet for the CTFd core-deprecated theme.
   Loaded AFTER main.css + core.css so it re-skins Bootstrap 4
   and CTFd's JS-rendered challenge board / scoreboard / modals.
   Light + dark (body.dark) · maroon / beige / gold academic.
   ============================================================ */

:root{
  --maroon:#560505; --maroon-deep:#2c0000; --maroon-bright:#7a1414;
  --gold:#b88a3e; --gold-bright:#c9a05a; --gold-soft:#e9d3a6;
  --paper:#efe1c9; --surface:#fffdf8; --surface-2:#f7efe1; --surface-3:#f0e5d2;
  --ink:#2a1410; --ink-2:#6f5246; --ink-3:#9a8472;
  --line:rgba(86,5,5,.14); --line-2:rgba(86,5,5,.08);
  --field:#fffdf8; --field-line:#d9c6a8;
  --ok:#3f7d4e; --warn:#b8863b; --danger:#a52a2a; --info:#3a6ea5;
  --radius:14px; --radius-sm:9px;
  --shadow-1:0 1px 2px rgba(44,0,0,.06),0 4px 14px rgba(44,0,0,.07);
  --shadow-2:0 6px 18px rgba(44,0,0,.10),0 18px 42px rgba(44,0,0,.10);
  --shadow-pop:0 18px 50px rgba(44,0,0,.22);
  --ring:0 0 0 3px rgba(184,138,62,.34);
  --paper-tex:radial-gradient(circle at 18% 12%,rgba(255,255,255,.5),transparent 42%),
    radial-gradient(circle at 88% 0%,rgba(201,160,90,.16),transparent 46%),
    radial-gradient(circle at 50% 120%,rgba(86,5,5,.10),transparent 60%);
  --font-display:"CopperplateGothicBold","Copperplate","Montserrat",serif;
  --font-body:"Montserrat","Segoe UI",system-ui,sans-serif;
  --font-mono:"DM Mono","SF Mono",ui-monospace,"Cascadia Code",monospace;
  --nav-w:248px; --topbar-h:68px;
}
body.dark{
  --maroon:#a02525; --maroon-deep:#0d0b0b; --maroon-bright:#c93b3b;
  --gold:#d9a441; --gold-bright:#f0bd55; --gold-soft:#5a4a28;
  --paper:#100e0d; --surface:#1d1917; --surface-2:#241f1c; --surface-3:#2c2623;
  --ink:#ede3d4; --ink-2:#b3a596; --ink-3:#7d7165;
  --line:rgba(217,164,65,.18); --line-2:rgba(255,255,255,.06);
  --field:#0f0d0c; --field-line:#3a322c;
  --ok:#5fbd72; --warn:#d9a441; --danger:#e26565; --info:#5a8fc7;
  --shadow-1:4px 4px 0 rgba(0,0,0,.55); --shadow-2:6px 6px 0 rgba(0,0,0,.6); --shadow-pop:10px 10px 0 rgba(0,0,0,.65);
  --ring:0 0 0 3px rgba(217,164,65,.4);
  --paper-tex:radial-gradient(rgba(217,164,65,.05) 1px,transparent 1px);
}

/* ---------- base ---------- */
html,body{margin:0;padding:0!important;min-height:100%;overflow:visible!important;}
body{font-family:var(--font-body)!important;color:var(--ink);background:var(--paper);background-image:var(--paper-tex);
  background-attachment:fixed;-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.55;transition:background-color .4s,color .3s;}
body.dark{background-size:22px 22px;}
::selection{background:var(--gold);color:#2a0000;}
a{color:var(--maroon);}
a:hover{color:var(--maroon-bright);}
body.dark a{color:var(--gold-bright);}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px;}
.cr-display{font-family:var(--font-display);letter-spacing:.04em;text-transform:uppercase;line-height:1.06;font-weight:700;}
.cr-mono,.text-mono{font-family:var(--font-mono);}
.cr-eyebrow{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.22em;font-size:11px;color:var(--gold);font-weight:700;}
.text-muted{color:var(--ink-2)!important;}
*::-webkit-scrollbar{width:11px;height:11px;}
*::-webkit-scrollbar-thumb{background:var(--field-line);border-radius:20px;border:3px solid transparent;background-clip:content-box;}

/* ============================================================
   SHELL  (sidebar + topbar + main)  — markup from base.html
   ============================================================ */
.cr-app{min-height:100vh;}
.cr-main{margin-left:var(--nav-w);min-width:0;display:flex;flex-direction:column;}
main[role="main"]{padding-top:var(--topbar-h);min-height:100vh;}
.cr-view{width:100%;max-width:1320px;margin:0 auto;padding:14px clamp(18px,4vw,52px) 24px;
  animation:crViewIn .5s cubic-bezier(.2,.7,.2,1) both;}
@keyframes crViewIn{from{transform:translateY(14px);}to{transform:none;}}

/* sidebar — position:fixed so it sticks regardless of any ancestor overflow/transform */
.cr-sidebar{width:var(--nav-w);position:fixed;left:0;top:0;height:100vh;height:100dvh;overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;z-index:200;
  color:#f3e7d4;background:linear-gradient(180deg,var(--maroon-deep),var(--maroon) 60%,var(--maroon-deep));
  border-right:1px solid rgba(0,0,0,.3);box-shadow:6px 0 24px rgba(0,0,0,.18);}
body.dark .cr-sidebar{background:#0a0808;border-right:2px solid var(--maroon);}
.cr-brand{display:flex;align-items:center;gap:12px;padding:20px 20px 16px;}
.cr-brand img{width:42px;height:42px;object-fit:contain;filter:drop-shadow(0 2px 6px rgba(0,0,0,.4));}
.cr-brand .bn{font-family:var(--font-display);font-size:18px;letter-spacing:.06em;color:#fff;line-height:1;}
.cr-brand .bn small{display:block;font-family:var(--font-mono);font-size:9.5px;letter-spacing:.3em;color:var(--gold-bright);margin-top:5px;}
.cr-sep{height:1px;background:linear-gradient(90deg,transparent,rgba(217,164,65,.4),transparent);margin:4px 18px 12px;}
.cr-nav{flex:1;overflow-y:auto;padding:4px 12px;display:flex;flex-direction:column;gap:3px;list-style:none;margin:0;}
.cr-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:rgba(243,231,212,.45);padding:14px 12px 6px;}
.cr-item{display:flex;align-items:center;gap:12px;padding:10px 13px;border-radius:10px;color:rgba(243,231,212,.78)!important;
  font-weight:500;font-size:14px;cursor:pointer;border:1px solid transparent;transition:.18s;position:relative;text-decoration:none;}
.cr-item i{width:18px;text-align:center;font-size:15px;}
.cr-item:hover{background:rgba(255,255,255,.07);color:#fff!important;text-decoration:none;}
.cr-item.active{background:rgba(217,164,65,.15);color:#fff!important;border-color:rgba(217,164,65,.4);}
.cr-item.active::before{content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:4px;height:22px;border-radius:0 4px 4px 0;background:var(--gold-bright);}
.cr-item .pill{margin-left:auto;font-family:var(--font-mono);font-size:10px;background:var(--gold);color:#2a0000;padding:1px 8px;border-radius:20px;font-weight:700;}
.cr-item .badge-notification{margin-left:auto;}
.cr-cross{margin:2px 4px;background:rgba(217,164,65,.1);border:1px solid rgba(217,164,65,.3);}
.cr-cross:hover{background:rgba(217,164,65,.2);}
.cr-cross .xt{margin-left:auto;font-size:11px;opacity:.7;}
.cr-foot{padding:14px;border-top:1px solid rgba(255,255,255,.08);}
.cr-user{display:flex;align-items:center;gap:11px;padding:9px;border-radius:12px;background:rgba(0,0,0,.22);}
.cr-user .av{width:38px;height:38px;border-radius:10px;flex:0 0 38px;display:grid;place-items:center;font-family:var(--font-display);
  font-size:15px;color:#2a0000;background:linear-gradient(135deg,var(--gold-bright),var(--gold));}
.cr-user .nm{font-size:13px;font-weight:700;color:#fff;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.cr-user .rk{font-family:var(--font-mono);font-size:10px;color:var(--gold-bright);}
.cr-logout{width:34px;height:34px;flex:0 0 34px;border-radius:9px;display:grid;place-items:center;background:rgba(0,0,0,.25);
  border:1px solid rgba(217,164,65,.3);color:#f3e7d4!important;text-decoration:none;transition:.16s;}
.cr-logout:hover{border-color:var(--gold);color:#fff!important;}

/* topbar */
.cr-topbar{height:var(--topbar-h);display:flex;align-items:center;gap:14px;padding:0 clamp(16px,3vw,40px);position:fixed;top:0;left:var(--nav-w);right:0;z-index:100;
  background:rgba(239,225,201,.95);border-bottom:1px solid var(--line);}
body.dark .cr-topbar{background:rgba(16,14,13,.95);}
.cr-tb-title{font-family:var(--font-display);font-size:16px;letter-spacing:.05em;text-transform:uppercase;color:var(--maroon);margin:0;
  min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
body.dark .cr-tb-title{color:var(--gold-bright);}
.cr-tb-spacer{flex:1;}
.cr-icon-btn{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);
  color:var(--ink-2);cursor:pointer;transition:.18s;font-size:16px;text-decoration:none;position:relative;}
.cr-icon-btn:hover{color:var(--maroon);border-color:var(--gold);transform:translateY(-1px);text-decoration:none;}
.cr-menu-btn{display:none;}

/* cross-site gateway button (→ Academy / other subdomain) */
.btn-cross{display:inline-flex;align-items:center;gap:9px;padding:9px 15px;border-radius:11px;font-family:var(--font-body);font-weight:700;
  font-size:13.5px;line-height:1.15;white-space:nowrap;text-decoration:none;cursor:pointer;transition:.18s;
  background:linear-gradient(135deg,var(--maroon),var(--maroon-deep));color:var(--gold-bright)!important;border:1px solid var(--gold);box-shadow:var(--shadow-1);}
.btn-cross .lead{font-size:14px;}
.btn-cross .xt{font-size:10.5px;opacity:.66;}
.btn-cross:hover{transform:translateY(-1px);box-shadow:var(--shadow-2);background:var(--maroon-bright);color:#fff!important;text-decoration:none;}
body.dark .btn-cross{border-radius:8px;}
body.dark .btn-cross:hover{background:var(--gold);color:#1a0000!important;}
@media(max-width:560px){.btn-cross .cl{display:none;}.btn-cross{padding:9px 12px;}}

/* ============================================================
   JUMBOTRON  ->  page header band
   ============================================================ */
.jumbotron{position:relative;overflow:hidden;border-radius:var(--radius);margin:0 0 30px;padding:34px clamp(22px,4vw,46px);
  background:linear-gradient(120deg,var(--maroon-deep),var(--maroon) 62%,#3a0606);border:1px solid var(--gold-soft);}
body.dark .jumbotron{border:2px solid var(--gold-soft);border-radius:6px;}
.jumbotron::before{content:"";position:absolute;inset:0;opacity:.14;background-image:
  repeating-linear-gradient(90deg,transparent 0 38px,rgba(217,164,65,.5) 38px 39px),
  repeating-linear-gradient(0deg,transparent 0 38px,rgba(217,164,65,.5) 38px 39px);}
.jumbotron .container{position:relative;}
.jumbotron h1{font-family:var(--font-display);font-size:clamp(24px,3.4vw,38px);color:#fff;margin:0;text-transform:uppercase;letter-spacing:.03em;}
.jumbotron h1::before{content:"";display:block;font-family:var(--font-display);font-size:11px;letter-spacing:.22em;color:var(--gold-bright);margin-bottom:8px;}
.challenges-jumbo h1::before{content:"Capture the flag";}
.scoreboard-jumbo h1::before{content:"Standings";}
.auth-jumbo h1::before{content:"Secure access";}

/* ============================================================
   BOOTSTRAP CONTAINER / GRID  (kept functional, restyled)
   ============================================================ */
.cr-view .container{max-width:100%;padding-left:0;padding-right:0;}

/* ---------- buttons ---------- */
.btn{font-family:var(--font-body);font-weight:700;font-size:14px;border-radius:11px;border:1px solid transparent;
  transition:.18s;padding:10px 18px;}
body.dark .btn{border-radius:8px;}
.btn-primary,.btn-info{background:var(--maroon);border-color:var(--maroon);color:var(--gold-bright);box-shadow:var(--shadow-1);}
.btn-primary:hover,.btn-info:hover{background:var(--maroon-bright);border-color:var(--maroon-bright);color:var(--gold-bright);transform:translateY(-2px);box-shadow:var(--shadow-2);}
body.dark .btn-primary,body.dark .btn-info{border:1px solid #000;}
body.dark .btn-primary:hover,body.dark .btn-info:hover{background:var(--gold);color:#1a0000;transform:translate(-2px,-2px);}
.btn-success{background:var(--ok);border-color:var(--ok);color:#fff;}
.btn-secondary,.btn-outline-secondary{background:transparent;border-color:var(--field-line);color:var(--ink);}
.btn-outline-secondary:hover,.btn-secondary:hover{background:var(--maroon);border-color:var(--maroon);color:var(--gold-bright);}
.btn-danger{background:transparent;border-color:color-mix(in srgb,var(--danger) 45%,transparent);color:var(--danger);}
.btn-danger:hover{background:var(--danger);border-color:var(--danger);color:#fff;}
.btn-gold{background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:#2a0000;box-shadow:var(--shadow-1);}
.btn-gold:hover{filter:brightness(1.05);color:#2a0000;transform:translateY(-2px);box-shadow:var(--shadow-2);}

/* ---------- forms ---------- */
.form-control,.input-group-text,select.form-control{background:var(--field);border:1px solid var(--field-line);border-radius:10px;
  padding:12px 14px;font-size:14px;color:var(--ink);height:auto;}
body.dark .form-control{border-radius:6px;}
.form-control:focus{background:var(--field);border-color:var(--gold);box-shadow:var(--ring);color:var(--ink);}
.form-control::placeholder{color:var(--ink-3);}
.form-group b,.form-group label,label{font-size:12.5px;font-weight:700;color:var(--ink-2);}
.form-text.text-muted{font-family:var(--font-mono);font-size:11px;color:var(--ink-3)!important;}
.custom-control-label{font-weight:500;}
.custom-control-input:checked~.custom-control-label::before{background:var(--maroon);border-color:var(--maroon);}

/* ---------- cards / tables ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);}
body.dark .card{border:2px solid #000;border-radius:6px;box-shadow:var(--shadow-2);}
.card-header{background:var(--surface-2);border-bottom:1px solid var(--line);font-family:var(--font-display);
  letter-spacing:.04em;text-transform:uppercase;color:var(--maroon);font-size:14px;}
body.dark .card-header{color:var(--gold-bright);}
.table{color:var(--ink);}
.table thead td,.table thead th{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink-3);border-bottom:1px solid var(--line);border-top:0;padding:13px 14px;font-weight:700;}
.table td,.table th{border-top:1px solid var(--line-2);padding:13px 14px;vertical-align:middle;}
.table-striped tbody tr:nth-of-type(odd){background:var(--surface-2);}
.table-striped tbody tr:hover{background:color-mix(in srgb,var(--gold) 12%,transparent);}
.table a{font-weight:600;}

/* ---------- alerts / badges ---------- */
.alert{border-radius:11px;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);font-size:14px;}
.alert-success{border-color:color-mix(in srgb,var(--ok) 40%,transparent);color:var(--ok);background:color-mix(in srgb,var(--ok) 10%,transparent);}
.alert-danger,.alert-error{border-color:color-mix(in srgb,var(--danger) 40%,transparent);color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,transparent);}
.alert-info{border-color:color-mix(in srgb,var(--info) 40%,transparent);color:var(--info);background:color-mix(in srgb,var(--info) 10%,transparent);}
.alert-warning{border-color:color-mix(in srgb,var(--warn) 40%,transparent);color:var(--warn);background:color-mix(in srgb,var(--warn) 10%,transparent);}
.badge-primary,.badge-info{background:var(--maroon);color:var(--gold-bright);}
.badge-danger,.badge-notification{background:var(--gold);color:#2a0000;}
.badge{font-family:var(--font-mono);font-weight:700;border-radius:20px;padding:4px 9px;}

/* ============================================================
   CHALLENGE BOARD  (markup generated by pages/challenges.js)
   ============================================================ */
#challenges-board{display:block;}
[id$="-row"].pt-5{padding-top:1.6rem!important;margin-bottom:14px;}
.category-header{margin-bottom:18px!important;padding:0;}
.category-header h3{font-family:var(--font-display);font-size:clamp(16px,2vw,21px);letter-spacing:.06em;text-transform:uppercase;
  color:var(--maroon);margin:0;display:flex;align-items:center;gap:13px;}
body.dark .category-header h3{color:var(--gold-bright);}
.category-header h3::before{content:"";width:5px;height:24px;border-radius:3px;background:var(--gold);flex:0 0 5px;}
.challenges-row{display:grid!important;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px;padding:0;}
.challenges-row > [class*="col-"]{max-width:100%;flex:none;width:auto;padding:0;display:block!important;}

/* the challenge card */
.challenge-button{position:relative;display:flex!important;flex-direction:column;justify-content:space-between;gap:14px;
  width:100%;min-height:124px;white-space:normal!important;text-align:left;overflow:visible!important;
  background:var(--surface)!important;border:1px solid var(--line)!important;border-radius:var(--radius)!important;
  box-shadow:var(--shadow-1);padding:16px 17px!important;margin-bottom:0!important;cursor:pointer;
  transition:transform .2s cubic-bezier(.2,.7,.2,1),box-shadow .2s,border-color .2s;}
.challenge-button:hover{transform:translateY(-5px);border-color:var(--gold)!important;box-shadow:var(--shadow-2);background:var(--surface)!important;}
body.dark .challenge-button{border:2px solid #000!important;border-radius:6px!important;box-shadow:var(--shadow-2);}
body.dark .challenge-button:hover{transform:translate(-3px,-3px);box-shadow:8px 8px 0 var(--gold);}
.challenge-button p{font-family:var(--font-display);font-size:15px;line-height:1.2;letter-spacing:.02em;color:var(--ink)!important;
  margin:0;text-transform:uppercase;order:2;}
.challenge-button span{font-family:var(--font-display);font-size:26px;line-height:1;color:var(--maroon)!important;order:1;display:block;}
body.dark .challenge-button span{color:var(--gold-bright)!important;}
.challenge-button span::after{content:" pts";font-family:var(--font-mono);font-size:11px;color:var(--ink-3)!important;letter-spacing:.04em;}
.challenge-button.solved-challenge{border-color:var(--gold)!important;background:color-mix(in srgb,var(--gold) 9%,var(--surface))!important;}
body.dark .challenge-button.solved-challenge{background:var(--surface-2)!important;border-color:var(--gold)!important;}
.corner-button-check{position:absolute;top:12px;right:13px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
  background:var(--gold);color:#2a0000!important;font-size:11px;z-index:2;}

/* ============================================================
   CHALLENGE MODAL  (#challenge-window, plugin view markup)
   ============================================================ */
.modal-content{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-pop);color:var(--ink);}
body.dark .modal-content{border:2px solid var(--gold-soft);border-radius:8px;}
.modal-header{border-bottom:1px solid var(--line);align-items:center;}
.modal-header .modal-title,.modal-header h1,.modal-header h2,.modal-header h3,.challenge-name{font-family:var(--font-display);
  color:var(--maroon);letter-spacing:.03em;text-transform:uppercase;}
body.dark .modal-header .modal-title,body.dark .challenge-name{color:var(--gold-bright);}
.challenge-value,.modal .challenge-value{font-family:var(--font-display);color:var(--gold);font-size:30px;}
.modal-body{padding:22px 26px;}
.nav-tabs{border-bottom:1px solid var(--line);gap:4px;}
.nav-tabs .nav-link{border:0;border-bottom:2px solid transparent;color:var(--ink-2);font-weight:700;font-size:13px;
  text-transform:uppercase;letter-spacing:.04em;padding:9px 14px;background:transparent;}
.nav-tabs .nav-link:hover{color:var(--maroon);border-color:transparent;}
.nav-tabs .nav-link.active{color:var(--maroon);background:transparent;border-bottom-color:var(--gold);}
body.dark .nav-tabs .nav-link.active{color:var(--gold-bright);}
/* flag input + submit live in separate bootstrap cols (with gutters, stacking on
   mobile), so give each a full radius instead of split halves */
#challenge-input{border-radius:10px;}
.submit-row .btn,#challenge-submit{border-radius:10px;width:100%;}
.challenge-solves{font-family:var(--font-mono);font-size:12px;color:var(--ink-2);cursor:pointer;}
.challenge-hints{display:flex;flex-direction:column;gap:8px;margin:4px 0 8px;}
.load-hint{display:flex;align-items:center;gap:14px;padding:13px 16px;border-radius:10px;
  width:100%;cursor:pointer;text-decoration:none!important;position:relative;overflow:hidden;
  background:var(--surface-2);border:1px solid var(--line);color:var(--ink)!important;transition:.2s;}
body.dark .load-hint{background:var(--surface-3);}
.load-hint::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--gold-bright),var(--gold));border-radius:10px 0 0 10px;}
.load-hint:hover{background:color-mix(in srgb,var(--maroon) 8%,var(--surface));
  border-color:var(--gold-soft);text-decoration:none!important;}
.hint-ico{width:38px;height:38px;flex:0 0 38px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--maroon-deep),var(--maroon));color:var(--gold-bright);font-size:15px;}
.hint-body{display:flex;flex-direction:column;gap:2px;min-width:0;}
.hint-label{font-weight:700;font-size:14px;color:var(--ink);line-height:1.2;}
.hint-cost{font-family:var(--font-mono);font-size:11px;color:var(--gold);letter-spacing:.03em;}
.hint-arrow{margin-left:auto;color:var(--ink-3);font-size:11px;flex-shrink:0;transition:.18s;}
.load-hint:hover .hint-arrow{color:var(--gold);transform:translateX(3px);}
input.form-control.correct,#challenge-input.correct{border-color:var(--ok)!important;box-shadow:0 0 0 3px color-mix(in srgb,var(--ok) 28%,transparent)!important;}
input.form-control.wrong,#challenge-input.wrong{border-color:var(--danger)!important;box-shadow:0 0 0 3px color-mix(in srgb,var(--danger) 28%,transparent)!important;animation:crShake .4s;}
@keyframes crShake{0%,100%{transform:translateX(0);}25%{transform:translateX(-6px);}75%{transform:translateX(6px);}}

/* ============================================================
   SCOREBOARD  ( #score-graph echarts + standings table )
   ============================================================ */
#score-graph{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:26px;box-shadow:var(--shadow-1);min-height:380px;}
body.dark #score-graph{border:2px solid #000;border-radius:6px;}
#scoreboard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);}
body.dark #scoreboard{border:2px solid #000;border-radius:6px;}
#scoreboard .table{margin:0;}
#scoreboard tbody th{font-family:var(--font-display);color:var(--gold);background:var(--surface-2);}

/* ---------- settings nav pills ---------- */
.cr-settings-nav{gap:5px;}
.cr-settings-nav .nav-link{font-weight:600;font-size:14px;color:var(--ink-2);border-radius:10px;padding:11px 15px;border:1px solid transparent;text-align:left;}
.cr-settings-nav .nav-link:hover{background:var(--surface-2);color:var(--maroon);}
.cr-settings-nav .nav-link.active{background:var(--maroon);color:var(--gold-bright);}
body.dark .cr-settings-nav .nav-link.active{background:var(--gold);color:#1a0000;}

/* ---------- pagination / misc ---------- */
.pagination .page-link{color:var(--maroon);border-color:var(--line);background:var(--surface);}
.pagination .page-item.active .page-link{background:var(--maroon);border-color:var(--maroon);color:var(--gold-bright);}
.spinner,.fa-spin{color:var(--gold);}
hr{border-top:1px solid var(--line);}
.footer{display:none;}

/* ---------- mobile ---------- */
.cr-scrim{display:none;}
@media(max-width:980px){
  .cr-main{margin-left:0;}
  .cr-topbar{left:0;}
  .cr-sidebar{transform:translateX(-100%);transition:transform .3s cubic-bezier(.2,.7,.2,1);}
  .cr-sidebar.open{transform:none;}
  .cr-scrim.show{display:block;position:fixed;inset:0;background:rgba(20,5,5,.5);z-index:190;}
  .cr-menu-btn{display:grid;}
}

/* ============================================================
   ACADEMY ENRICHMENT LAYER
   Rich, server-rendered surfaces matching the Academy app:
   split-panel auth · profile hero + stat tiles · podium
   scoreboard · category accents · notifications.
   ============================================================ */

/* ---------- shared primitives ---------- */
.cr-chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11.5px;font-weight:500;
  padding:4px 11px;border-radius:30px;background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2);}
.cr-chip-gold{background:color-mix(in srgb,var(--gold) 18%,transparent);border-color:var(--gold-soft);color:var(--maroon);}
body.dark .cr-chip-gold{color:var(--gold-bright);}
.cr-eyebrow-maroon{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.22em;font-size:11px;color:var(--maroon);font-weight:700;}
body.dark .cr-eyebrow-maroon{color:var(--gold-bright);}

/* difficulty pills (used in profile / board legend) */
.diff{display:inline-flex;align-items:center;font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;padding:3px 9px;border-radius:7px;border:1px solid transparent;}
.diff-easy{color:#3f7d4e;background:color-mix(in srgb,#3f7d4e 13%,transparent);border-color:color-mix(in srgb,#3f7d4e 32%,transparent);}
.diff-medium{color:var(--warn);background:color-mix(in srgb,var(--warn) 13%,transparent);border-color:color-mix(in srgb,var(--warn) 32%,transparent);}
.diff-hard{color:var(--danger);background:color-mix(in srgb,var(--danger) 13%,transparent);border-color:color-mix(in srgb,var(--danger) 32%,transparent);}
.diff-insane{color:#7a3aa0;background:color-mix(in srgb,#7a3aa0 14%,transparent);border-color:color-mix(in srgb,#7a3aa0 34%,transparent);}
body.dark .diff-insane{color:#c79be6;}

/* category glyph tile */
.cat-glyph{width:46px;height:46px;flex:0 0 46px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:21px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25);}
body.dark .cat-glyph{border-radius:8px;}

/* stat tile */
.cr-stat{display:flex;align-items:center;gap:15px;padding:18px 20px;}
.cr-stat-ico{width:46px;height:46px;flex:0 0 46px;border-radius:12px;display:grid;place-items:center;font-size:20px;
  background:color-mix(in srgb,var(--maroon) 12%,transparent);color:var(--maroon);}
body.dark .cr-stat-ico{background:color-mix(in srgb,var(--gold) 14%,transparent);color:var(--gold-bright);border-radius:8px;}
.cr-stat-val{font-family:var(--font-display);font-size:24px;color:var(--ink);line-height:1;}
.cr-stat-lbl{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-top:5px;}
.cr-stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:16px;margin-bottom:26px;}

/* progress bar */
.cr-bar{height:9px;border-radius:20px;background:var(--surface-3);overflow:hidden;}
.cr-bar > i{display:block;height:100%;border-radius:20px;background:linear-gradient(90deg,var(--maroon),var(--gold));}

/* ============================================================
   SPLIT-PANEL AUTH  (login / register)
   ============================================================ */
.cr-auth{display:grid;grid-template-columns:1.05fr .95fr;min-height:calc(100vh - var(--topbar-h));margin:-14px calc(-1 * clamp(18px,4vw,52px)) -24px;}
.cr-auth-brand{position:relative;overflow:hidden;padding:clamp(34px,5vw,64px);display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(150deg,var(--maroon-deep),var(--maroon) 60%,#3a0606);color:#f3e7d4;}
.cr-auth-brand::before{content:"";position:absolute;inset:0;opacity:.12;background-image:
  repeating-linear-gradient(90deg,transparent 0 44px,rgba(217,164,65,.6) 44px 45px),
  repeating-linear-gradient(0deg,transparent 0 44px,rgba(217,164,65,.6) 44px 45px);}
.cr-auth-brand > *{position:relative;}
.cr-auth-logo{display:flex;align-items:center;gap:14px;margin-bottom:38px;}
.cr-auth-logo img{width:50px;height:50px;object-fit:contain;}
.cr-auth-logo .t{font-family:var(--font-display);font-size:23px;letter-spacing:.06em;color:#fff;line-height:1;}
.cr-auth-logo .s{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.32em;color:var(--gold-bright);margin-top:5px;}
.cr-auth-h{font-family:var(--font-display);font-size:clamp(28px,3.6vw,44px);color:#fff;line-height:1.1;text-transform:uppercase;letter-spacing:.02em;margin:0 0 16px;}
.cr-auth-h em{color:var(--gold-bright);font-style:normal;}
.cr-auth-p{font-size:15.5px;color:rgba(243,231,212,.82);max-width:400px;margin:0 0 34px;}
.cr-auth-feats{display:flex;flex-direction:column;gap:15px;}
.cr-auth-feat{display:flex;align-items:center;gap:13px;font-size:14.5px;font-weight:500;color:#f3e7d4;}
.cr-auth-feat i{width:36px;height:36px;flex:0 0 36px;border-radius:9px;display:grid;place-items:center;font-size:15px;
  background:rgba(217,164,65,.2);color:var(--gold-bright);}
.cr-auth-form{display:flex;align-items:center;justify-content:center;padding:clamp(28px,4vw,56px);background:var(--surface);}
body.dark .cr-auth-form{background:var(--paper);}
.cr-auth-card{width:100%;max-width:400px;}

/* full-bleed auth page: sidebar hidden, no margin (homepage keeps the sidebar for navigation) */
.cr-app:has(.cr-auth) .cr-sidebar{display:none!important;}
.cr-main:has(.cr-auth){margin-left:0!important;}
/* homepage topbar becomes a transparent overlay: menu button (mobile nav),
   Academy link and theme toggle stay reachable over the full-bleed hero */
.cr-main:has(.cr-home) .cr-topbar{background:transparent!important;border-bottom:0!important;pointer-events:none;}
.cr-main:has(.cr-home) .cr-topbar > *{pointer-events:auto;}
.cr-main:has(.cr-home) .cr-tb-title{display:none;}
main[role="main"]:has(.cr-home){padding-top:0!important;}
main[role="main"]:has(.cr-auth){padding-top:0!important;}
.cr-view:has(.cr-auth){padding:0!important;margin:0!important;max-width:none;}
.cr-auth{margin:0;height:100vh;height:100dvh;overflow:hidden;align-items:stretch;}
.cr-auth-form{overflow-y:auto;}
.cr-main:has(.cr-auth) .cr-topbar{position:absolute;top:0;left:0;right:0;background:transparent;
  border-bottom:0;backdrop-filter:none;-webkit-backdrop-filter:none;pointer-events:none;z-index:20;}
.cr-main:has(.cr-auth) .cr-topbar > *{pointer-events:auto;}
.cr-main:has(.cr-auth) .cr-tb-title{display:none;}
.cr-main:has(.cr-auth) .cr-menu-btn{color:#f3e7d4;background:rgba(0,0,0,.22);border-color:rgba(217,164,65,.3);}
@media(max-width:900px){
  .cr-auth{grid-template-columns:1fr;}
  .cr-auth-brand{display:none;}
  .cr-main:has(.cr-auth) .cr-menu-btn{color:var(--ink-2);background:var(--surface);border-color:var(--line);}
}

/* ============================================================
   PROFILE HERO  (users/private · users/public · teams)
   ============================================================ */
.cr-hero{position:relative;overflow:hidden;border-radius:var(--radius);margin-bottom:24px;padding:30px clamp(22px,4vw,40px);
  background:linear-gradient(135deg,var(--maroon-deep),var(--maroon));border:1px solid var(--gold-soft);
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;}
body.dark .cr-hero{border:2px solid var(--gold-soft);border-radius:8px;}
.cr-hero::before{content:"";position:absolute;inset:0;opacity:.1;background-image:repeating-linear-gradient(45deg,transparent 0 12px,rgba(217,164,65,.6) 12px 13px);}
.cr-hero > *{position:relative;}
.cr-hero-id{display:flex;align-items:center;gap:18px;}
.cr-hero-av{width:76px;height:76px;flex:0 0 76px;border-radius:16px;display:grid;place-items:center;font-family:var(--font-display);
  font-size:28px;color:#2a0000;background:linear-gradient(135deg,var(--gold-bright),var(--gold));}
body.dark .cr-hero-av{border-radius:10px;}
.cr-hero-name{font-family:var(--font-display);font-size:clamp(22px,3vw,28px);color:#fff;letter-spacing:.03em;text-transform:uppercase;margin:0;}
.cr-hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:11px;}
.cr-hero-tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11.5px;padding:4px 11px;border-radius:30px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#f3e7d4;}
.cr-hero-tag.gold{background:rgba(217,164,65,.18);border-color:rgba(217,164,65,.4);color:var(--gold-bright);}
.cr-hero-stats{display:flex;gap:26px;}
.cr-hero-stat{text-align:center;}
.cr-hero-stat .v{font-family:var(--font-display);font-size:28px;color:#fff;line-height:1;}
.cr-hero-stat .v.gold{color:var(--gold-bright);}
.cr-hero-stat .l{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-top:6px;}

/* team captain action row inside hero */
.cr-hero-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px;}
.cr-act{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;padding:7px 13px;border-radius:9px;cursor:pointer;
  background:rgba(255,255,255,.1);border:1px solid rgba(217,164,65,.32);color:#f3e7d4!important;text-decoration:none;transition:.16s;}
.cr-act i{font-size:12px;}
.cr-act:hover{background:rgba(217,164,65,.22);border-color:var(--gold-bright);color:#fff!important;text-decoration:none;transform:translateY(-1px);}
.cr-act.danger{border-color:rgba(226,101,101,.4);color:#f0b4b4!important;}
.cr-act.danger:hover{background:rgba(165,42,42,.35);border-color:#e26565;color:#fff!important;}
.cr-act.disabled{opacity:.45;pointer-events:none;}
body.dark .cr-act{border-radius:7px;}

/* section heading */
.cr-sec{display:flex;align-items:center;justify-content:space-between;margin:30px 0 14px;}
.cr-sec h3,.cr-sec .t{font-family:var(--font-display);font-size:16px;letter-spacing:.05em;text-transform:uppercase;color:var(--maroon);margin:0;}
body.dark .cr-sec h3,body.dark .cr-sec .t{color:var(--gold-bright);}

/* ============================================================
   SCOREBOARD — top-3 medal styling on the JS/standings table
   ============================================================ */
#scoreboard tbody tr:nth-child(1) th,#scoreboard tbody tr:nth-child(2) th,#scoreboard tbody tr:nth-child(3) th{position:relative;font-size:0;}
#scoreboard tbody tr:nth-child(1) th::after,#scoreboard tbody tr:nth-child(2) th::after,#scoreboard tbody tr:nth-child(3) th::after{
  font-family:var(--font-display);font-size:17px;display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;color:#2a0000;}
#scoreboard tbody tr:nth-child(1) th::after{content:"1";background:linear-gradient(135deg,#f0bd55,#c9a05a);}
#scoreboard tbody tr:nth-child(2) th::after{content:"2";background:linear-gradient(135deg,#e8e8e8,#bdbdbd);}
#scoreboard tbody tr:nth-child(3) th::after{content:"3";background:linear-gradient(135deg,#e3a866,#cd7f32);}
#scoreboard tbody tr:nth-child(-n+3){background:color-mix(in srgb,var(--gold) 8%,transparent);}
#scoreboard tbody tr td:last-child{font-family:var(--font-display);font-size:18px;color:var(--gold);}

/* your-standing rail card */
.cr-two-col{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start;}
@media(max-width:900px){.cr-two-col{grid-template-columns:1fr;}}
.cr-standing{position:relative;overflow:hidden;border-radius:var(--radius);padding:24px;color:#fff;
  background:linear-gradient(135deg,var(--maroon-deep),var(--maroon));border:1px solid var(--gold-soft);box-shadow:var(--shadow-1);}
body.dark .cr-standing{border:2px solid var(--gold-soft);border-radius:8px;}
.cr-standing::before{content:"";position:absolute;inset:0;opacity:.1;background-image:repeating-linear-gradient(45deg,transparent 0 12px,rgba(217,164,65,.6) 12px 13px);}
.cr-standing > *{position:relative;}

/* ============================================================
   NOTIFICATIONS — broadcast rows
   ============================================================ */
.cr-notif{display:flex;gap:14px;padding:16px 18px;align-items:flex-start;}
.cr-notif-ico{width:42px;height:42px;flex:0 0 42px;border-radius:11px;display:grid;place-items:center;font-size:18px;
  background:color-mix(in srgb,var(--maroon) 12%,transparent);color:var(--maroon);}
body.dark .cr-notif-ico{background:color-mix(in srgb,var(--gold) 14%,transparent);color:var(--gold-bright);border-radius:8px;}

/* ============================================================
   CATEGORY ACCENTS — cycle colors across challenge-board rows
   gives the JS-rendered board per-category visual variety
   ============================================================ */
.category-header h3::before{transition:background .3s;}
[id$="-row"]:nth-of-type(6n+1) .category-header h3::before{background:#3a6ea5;}
[id$="-row"]:nth-of-type(6n+2) .category-header h3::before{background:#8a5a1c;}
[id$="-row"]:nth-of-type(6n+3) .category-header h3::before{background:#7a1414;}
[id$="-row"]:nth-of-type(6n+4) .category-header h3::before{background:#3f6b4a;}
[id$="-row"]:nth-of-type(6n+5) .category-header h3::before{background:#5a3a7a;}
[id$="-row"]:nth-of-type(6n+6) .category-header h3::before{background:#9a6a1c;}

/* ---------- responsive tightening ---------- */
@media(max-width:760px){
  .cr-hero{flex-direction:column;align-items:flex-start;}
  .cr-hero-stats{width:100%;justify-content:space-between;gap:14px;}
  .modal-body{padding:18px 16px;}
  .jumbotron{padding:26px 20px;margin-bottom:22px;}
}
@media(max-width:560px){
  .cr-topbar{gap:9px;padding:0 12px;}
  .cr-view{padding:12px 14px 20px;}
  .cr-hero{padding:24px 18px;}
  .cr-hero-id{gap:13px;}
  .cr-hero-av{width:58px;height:58px;flex-basis:58px;font-size:22px;}
}

/* tables stay reachable on narrow phones */
#scoreboard{overflow-x:auto;}
.table-responsive,.tab-content{min-width:0;}

/* fixed background attachment is broken on iOS Safari — fall back to scroll */
@media(hover:none),(max-width:980px){
  body{background-attachment:scroll;}
}

/* ============================================================
   POLISH LAYER — atmosphere, motion & micro-interactions
   ============================================================ */

/* film grain + soft vignette over everything but the chrome */
body::before{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;
  background-image:radial-gradient(ellipse at 50% 40%,transparent 62%,rgba(44,0,0,.07)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");}
body.dark::before{background-image:radial-gradient(ellipse at 50% 40%,transparent 60%,rgba(0,0,0,.32)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.07'/%3E%3C/svg%3E");}

/* glassy topbar with a gold hairline */
.cr-topbar{background:rgba(239,225,201,.8);backdrop-filter:blur(14px) saturate(1.35);-webkit-backdrop-filter:blur(14px) saturate(1.35);
  border-bottom:1px solid transparent;}
body.dark .cr-topbar{background:rgba(16,14,13,.8);}
.cr-topbar::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold) 35%,var(--gold) 65%,transparent);opacity:.45;}
.cr-main:has(.cr-home) .cr-topbar{backdrop-filter:none;-webkit-backdrop-filter:none;}
.cr-main:has(.cr-home) .cr-topbar::after,.cr-main:has(.cr-auth) .cr-topbar::after{display:none;}

/* sidebar: gold rail + livelier items */
.cr-sidebar::after{content:"";position:absolute;top:0;right:0;bottom:0;width:1px;
  background:linear-gradient(180deg,transparent,rgba(217,164,65,.55),transparent);}
.cr-item i{transition:transform .2s cubic-bezier(.2,.7,.2,1);}
.cr-item:hover i{transform:translateX(2px) scale(1.12);}
.cr-item.active{box-shadow:inset 0 0 18px rgba(217,164,65,.08);}
.cr-user .av{box-shadow:0 0 0 2px rgba(217,164,65,.35),0 3px 10px rgba(0,0,0,.35);}

/* shine sweep on the loud buttons */
.btn,.btn-cross{position:relative;overflow:hidden;}
.btn-primary::after,.btn-gold::after,.btn-cross::after{content:"";position:absolute;top:0;bottom:0;left:-65%;width:45%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.3),transparent);
  transform:skewX(-20deg);transition:left .5s ease;pointer-events:none;}
.btn-primary:hover::after,.btn-gold:hover::after,.btn-cross:hover::after{left:135%;}

/* inputs warm up on hover */
.form-control:hover{border-color:color-mix(in srgb,var(--gold) 55%,var(--field-line));}

/* jumbotron: drifting blueprint grid + gold glow + entrance */
.jumbotron::before{animation:gridDrift 26s linear infinite;}
@keyframes gridDrift{to{background-position:39px 0,0 39px;}}
.jumbotron::after{content:"";position:absolute;right:-120px;top:-160px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,164,65,.20),transparent 65%);pointer-events:none;}
.jumbotron h1{animation:crRise .6s cubic-bezier(.2,.7,.2,1) both;}
@keyframes crRise{from{opacity:0;transform:translateY(12px);}}

/* challenge cards: staggered entrance, gold rail on hover, prouder solved state */
.challenges-row>*{animation:crCardIn .5s cubic-bezier(.2,.7,.2,1) backwards;}
.challenges-row>*:nth-child(1){animation-delay:.04s;} .challenges-row>*:nth-child(2){animation-delay:.08s;}
.challenges-row>*:nth-child(3){animation-delay:.12s;} .challenges-row>*:nth-child(4){animation-delay:.16s;}
.challenges-row>*:nth-child(5){animation-delay:.2s;}  .challenges-row>*:nth-child(6){animation-delay:.24s;}
.challenges-row>*:nth-child(n+7){animation-delay:.28s;}
@keyframes crCardIn{from{opacity:0;transform:translateY(14px);}}
.challenge-button{box-shadow:var(--shadow-1),inset 3px 0 0 transparent;}
.challenge-button:hover{box-shadow:var(--shadow-2),inset 3px 0 0 var(--gold);}
.challenge-button.solved-challenge{box-shadow:var(--shadow-1),inset 3px 0 0 var(--gold);}
.corner-button-check{box-shadow:0 0 0 2px color-mix(in srgb,var(--gold) 45%,transparent),0 2px 8px rgba(0,0,0,.25);}

/* auth brand panel: drifting grid + glow */
.cr-auth-brand::before{animation:authDrift 30s linear infinite;}
@keyframes authDrift{to{background-position:45px 0,0 45px;}}
.cr-auth-brand::after{content:"";position:absolute;left:-140px;bottom:-180px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,164,65,.16),transparent 65%);pointer-events:none;}
.cr-auth-card{animation:crRise .55s cubic-bezier(.2,.7,.2,1) both;}

/* profile hero + standing card glow */
.cr-hero::after,.cr-standing::after{content:"";position:absolute;right:-100px;top:-140px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,164,65,.18),transparent 65%);pointer-events:none;}

/* respect users who turn off animation */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;animation-iteration-count:1!important;transition-duration:.01ms!important;}
}