/* ============================================================
   Abdelmajid CP — style.css
   Dark-first competitive programming academy design system.
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --font:'Space Grotesk',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'Cascadia Code',Consolas,monospace;

  --bg:#070b14;
  --bg-2:#0a1020;
  --card:#0e1526;
  --card-2:#121b31;
  --border:#1d2946;
  --border-2:#2a3a5f;
  --text:#e8eefb;
  --muted:#8b98b8;
  --dim:#5c6c91;

  --accent:#38bdf8;
  --accent-soft:rgba(56,189,248,.14);
  --accent-2:#a78bfa;
  --grad:linear-gradient(135deg,#38bdf8,#a78bfa);
  --gold:#fbbf24;
  --silver:#cbd5e1;
  --bronze:#d08a4e;
  --green:#34d399;
  --red:#f87171;
  --orange:#fb923c;

  --easy:#34d399;
  --medium:#fbbf24;
  --hard:#f87171;

  --shadow:0 14px 40px rgba(0,0,0,.42);
  --shadow-sm:0 6px 18px rgba(0,0,0,.3);
  --radius:16px;
  --radius-sm:10px;
  --topbar-h:66px;
}
[data-theme="light"]{
  --bg:#eef2fa;
  --bg-2:#e7edf8;
  --card:#ffffff;
  --card-2:#f3f6fd;
  --border:#d9e2f2;
  --border-2:#c4d2ea;
  --text:#101a30;
  --muted:#55648a;
  --dim:#8da0c4;
  --accent:#0284c7;
  --accent-soft:rgba(2,132,199,.12);
  --accent-soft:rgba(2,132,199,.10);
  --accent-2:#7c3aed;
  --shadow:0 14px 34px rgba(20,40,90,.12);
  --shadow-sm:0 5px 14px rgba(20,40,90,.10);
}

/* ---------- Reset / base ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
  transition:background .35s,color .35s;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;color:inherit}
img{max-width:100%;display:block}
::selection{background:var(--accent);color:#04121e}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.tiny{font-size:.78rem}
.hidden{display:none !important}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:8px}
::-webkit-scrollbar-track{background:transparent}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{max-width:1240px;margin:0 auto;padding:0 22px}
.page{padding:34px 0 70px;position:relative;z-index:2}
.icon{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* ---------- Background fx ---------- */
#fx-canvas{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.16;
  transition:opacity .4s;
}
[data-theme="light"] #fx-canvas{opacity:.06}
.orb{position:fixed;border-radius:50%;filter:blur(110px);z-index:0;pointer-events:none;opacity:.5;transition:opacity .4s}
.orb-a{width:520px;height:520px;background:rgba(56,189,248,.14);top:-180px;right:-120px}
.orb-b{width:460px;height:460px;background:rgba(167,139,250,.13);bottom:-200px;left:-140px}
[data-theme="light"] .orb{opacity:.35}

/* ---------- Topbar ---------- */
#topbar{
  position:sticky;top:0;z-index:60;height:var(--topbar-h);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:color-mix(in srgb,var(--bg) 78%,transparent);
  border-bottom:1px solid var(--border);
}
.topbar-inner{max-width:1360px;margin:0 auto;height:100%;padding:0 18px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.12rem;letter-spacing:.2px}
.brand-logo{width:34px;height:34px;filter:drop-shadow(0 0 10px rgba(56,189,248,.45))}
.brand-name b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-left:2px}
#main-nav{display:flex;gap:2px;margin:0 auto}
#main-nav a{
  padding:8px 12px;border-radius:9px;color:var(--muted);font-size:.92rem;font-weight:500;
  transition:color .2s,background .2s;white-space:nowrap;
}
#main-nav a:hover{color:var(--text);background:var(--accent-soft)}
#main-nav a.active{color:var(--accent);background:var(--accent-soft)}
.topbar-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:38px;height:38px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);background:var(--card);color:var(--muted);
  transition:.2s;
}
.icon-btn:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-1px)}
.icon-btn .icon{width:19px;height:19px}
.icon-btn.is-auth{color:var(--green);border-color:var(--green)}

.search-box{position:relative;width:230px}
.search-ic{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--dim);display:flex}
.search-ic .icon{width:16px;height:16px}
#global-search{
  width:100%;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--card);
  padding:0 10px 0 32px;font-size:.9rem;transition:.2s;
}
#global-search:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}
.search-dropdown{
  position:absolute;top:46px;left:0;right:-60px;min-width:300px;background:var(--card);
  border:1px solid var(--border-2);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;z-index:70;
}
.sr-item{display:flex;align-items:center;gap:10px;padding:10px 14px;font-size:.9rem;transition:.15s}
.sr-item:hover{background:var(--accent-soft)}
.sr-type{font-size:.68rem;text-transform:uppercase;letter-spacing:.6px;color:var(--dim);margin-left:auto;flex:none}
.sr-empty{padding:14px;color:var(--dim);font-size:.88rem}

#nav-burger{display:none}
#nav-drawer{
  position:fixed;top:var(--topbar-h);left:0;right:0;z-index:55;background:var(--bg-2);
  border-bottom:1px solid var(--border);padding:10px 18px 18px;animation:dropIn .25s ease;
}
#nav-drawer nav{display:flex;flex-direction:column}
#nav-drawer a{padding:12px 8px;border-bottom:1px solid var(--border);color:var(--muted);font-weight:500}
#nav-drawer a:last-child{border-bottom:none}
@keyframes dropIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1}}

/* ---------- Buttons / inputs ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:11px;
  font-weight:600;font-size:.94rem;border:1px solid transparent;transition:.22s;user-select:none;
}
.btn .icon{width:18px;height:18px}
.btn-primary{background:var(--grad);color:#071120;box-shadow:0 8px 24px rgba(56,189,248,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(56,189,248,.4)}
.btn-ghost{border-color:var(--border-2);background:var(--card);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-danger{background:rgba(248,113,113,.12);color:var(--red);border-color:rgba(248,113,113,.35)}
.btn-danger:hover{background:rgba(248,113,113,.22)}
.btn-sm{padding:7px 13px;font-size:.84rem;border-radius:9px}
.btn-sm .icon{width:15px;height:15px}
.btn-block{width:100%;justify-content:center}
.btn[disabled]{opacity:.5;pointer-events:none}

.input,.select,textarea.input{
  width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--border);
  background:var(--bg-2);font-size:.93rem;transition:.2s;
}
.input:focus,.select:focus,textarea.input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}
select.select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:34px}
label.field{display:block;margin-bottom:14px}
label.field>span{display:block;font-size:.8rem;font-weight:600;color:var(--muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.check-row{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:9px;border:1px solid var(--border);cursor:pointer;transition:.15s;font-size:.9rem;background:var(--bg-2)}
.check-row:hover{border-color:var(--accent)}
.check-row input{accent-color:var(--accent);width:16px;height:16px}
.check-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px;max-height:260px;overflow:auto;padding:2px}

/* ---------- Cards / tiles / tables ---------- */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;position:relative;transition:border-color .25s, transform .25s, box-shadow .25s;
}
.card.hoverable:hover{border-color:var(--border-2);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.card-title{font-size:1.06rem;font-weight:700;display:flex;align-items:center;gap:9px}
.card-title .icon{width:19px;height:19px;color:var(--accent)}

.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.table-wrap{overflow-x:auto;border-radius:var(--radius-sm)}
table.table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:560px}
.table th{
  text-align:left;padding:11px 14px;color:var(--dim);font-size:.72rem;text-transform:uppercase;
  letter-spacing:.8px;border-bottom:1px solid var(--border);white-space:nowrap;
}
.table td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
.table tbody tr{transition:background .15s}
.table tbody tr:hover{background:var(--accent-soft)}
.table tbody tr:last-child td{border-bottom:none}
.table .num{font-family:var(--mono);font-weight:700}

/* ---------- Tags / chips / badges ---------- */
.tag{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.4px;text-transform:uppercase}
.tag-easy{background:rgba(52,211,153,.14);color:var(--easy)}
.tag-medium{background:rgba(251,191,36,.14);color:var(--medium)}
.tag-hard{background:rgba(248,113,113,.14);color:var(--hard)}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:var(--card-2);border:1px solid var(--border);font-size:.82rem;font-weight:600;color:var(--muted);transition:.2s}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip .icon{width:13px;height:13px}
.dot{width:8px;height:8px;border-radius:50%;flex:none}

.level-chip{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;font-size:.8rem;font-weight:700;border:1px solid;background:transparent}
.level-chip .dot{background:currentColor;box-shadow:0 0 8px currentColor}
.level-legend{background:var(--grad);color:#071120 !important;border:none !important;text-shadow:none}
.level-legend .dot{background:#071120;box-shadow:none}

.avatar{
  border-radius:50%;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;
  font-weight:700;color:#fff;flex:none;position:relative;background:var(--card-2);
}
.avatar img{width:100%;height:100%;object-fit:cover}
.avatar-36{width:36px;height:36px;font-size:.8rem}
.avatar-44{width:44px;height:44px;font-size:.92rem}
.avatar-56{width:56px;height:56px;font-size:1.1rem}
.avatar-96{width:96px;height:96px;font-size:1.9rem}
.avatar-stack{display:flex}
.avatar-stack .avatar{margin-left:-9px;border:2px solid var(--card)}
.avatar-stack .avatar:first-child{margin-left:0}

.tier-b{--tc:var(--bronze)} .tier-s{--tc:var(--silver)} .tier-g{--tc:var(--gold)}
.tier-x{--tc:var(--accent)} .tier-l{--tc:var(--accent-2)}
.ach-icon{
  width:46px;height:46px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;flex:none;
  background:color-mix(in srgb,var(--tc) 15%,transparent);
  border:1px solid color-mix(in srgb,var(--tc) 45%,transparent);
  color:var(--tc);position:relative;overflow:hidden;
}
.ach-icon .icon{width:23px;height:23px}
.ach-icon.big{width:64px;height:64px;border-radius:16px}
.ach-icon.big .icon{width:32px;height:32px}
.tier-g .ach-icon.shine::after,.tier-l .ach-icon.shine::after{
  content:"";position:absolute;top:-60%;left:-80%;width:45%;height:220%;transform:rotate(25deg);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);
  animation:shine 3.2s ease-in-out infinite;
}
@keyframes shine{0%,60%{left:-80%}100%{left:170%}}

/* ---------- Section headers ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:44px 0 20px;flex-wrap:wrap}
.section-head h2{font-size:1.5rem;font-weight:700;display:flex;align-items:center;gap:10px}
.section-head h2 .icon{width:22px;height:22px;color:var(--accent)}
.section-head .sub{color:var(--muted);font-size:.9rem;margin-top:4px}
.page-head{margin:6px 0 26px}
.page-head h1{font-size:2rem;font-weight:700;display:flex;align-items:center;gap:12px}
.page-head h1 .icon{width:28px;height:28px;color:var(--accent)}
.page-head p{color:var(--muted);margin-top:6px;max-width:640px}

/* ---------- Hero ---------- */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:44px 0 20px;min-height:430px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid var(--border-2);background:var(--card);color:var(--muted);font-size:.8rem;font-weight:600;letter-spacing:.6px;
}
.hero-eyebrow .dot{background:var(--green);box-shadow:0 0 8px var(--green);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.4}}
.hero h1{font-size:clamp(2.3rem,5vw,3.7rem);line-height:1.06;font-weight:700;margin:20px 0 16px;letter-spacing:-.5px}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:1.05rem;line-height:1.65;max-width:520px}
.hero-ctas{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.hero-mini{display:flex;gap:18px;margin-top:30px;flex-wrap:wrap;color:var(--dim);font-size:.85rem}
.hero-mini b{color:var(--text);font-family:var(--mono)}

.terminal{
  background:color-mix(in srgb,var(--bg-2) 88%,transparent);
  border:1px solid var(--border-2);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;
  transform:perspective(900px) rotateY(-4deg);transition:transform .5s;
}
.terminal:hover{transform:none}
.terminal-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--card)}
.terminal-bar .dot{width:11px;height:11px}
.terminal-bar span{margin-left:auto;font-family:var(--mono);font-size:.72rem;color:var(--dim)}
.terminal-body{padding:18px 20px 22px;font-family:var(--mono);font-size:.86rem;line-height:2.05;min-height:238px}
.tl-line{opacity:0;animation:lineIn .35s forwards;white-space:pre-wrap;word-break:break-word}
.tl-cmd{color:var(--accent)}
.tl-rank{color:var(--gold)}
.tl-dim{color:var(--dim)}
.cursor{display:inline-block;width:9px;height:1.1em;background:var(--accent);vertical-align:text-bottom;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
@keyframes lineIn{to{opacity:1}}

/* ---------- Coach card (home) ---------- */
.coach-card{
  display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;
  padding:22px 26px;margin-top:34px;border-color:var(--border-2);
  background:linear-gradient(135deg,var(--card) 60%,color-mix(in srgb,var(--accent) 6%,var(--card)));
}
.coach-card .avatar{border-radius:22px;width:84px;height:84px;font-size:1.7rem}
.coach-eyebrow{
  display:inline-flex;align-items:center;gap:7px;font-size:.7rem;font-weight:700;letter-spacing:1.4px;color:var(--accent);
}
.coach-eyebrow .dot{background:var(--accent);box-shadow:0 0 8px var(--accent)}
.coach-info h2{font-size:1.35rem;font-weight:700;margin:6px 0 2px}
.coach-title{color:var(--accent-2);font-weight:600;font-size:.9rem;margin-bottom:8px}
.coach-info p{font-size:.9rem;line-height:1.6;max-width:520px}
.coach-ach{display:flex;flex-direction:column;align-items:flex-end;gap:9px;max-width:600px}
.coach-ach .ach-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.coach-ach-item{display:inline-flex;align-items:center;gap:8px;padding:5px 11px 5px 5px;border:1px solid var(--border);border-radius:999px;background:var(--bg-2)}
.coach-ach-item .ach-icon{width:26px;height:26px;border-radius:8px}
.coach-ach-item .ach-icon .icon{width:13px;height:13px}
.coach-ach-item .ach-name{font-size:.8rem;font-weight:600;white-space:nowrap;line-height:1.2}
.coach-ach-item.more{color:var(--muted);padding:5px 12px}
@media (max-width:960px){
  .coach-card{grid-template-columns:1fr;text-align:center}
  .coach-card .avatar{margin:0 auto}
  .coach-info p{margin:0 auto}
  .coach-ach{align-items:center}
  .coach-ach .ach-row{justify-content:center}
}

/* ---------- Stat tiles ---------- */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px}
.stat-tile{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;
  position:relative;overflow:hidden;transition:.25s;
}
.stat-tile:hover{border-color:var(--border-2);transform:translateY(-3px)}
.stat-tile::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:.85}
.stat-tile .st-ic{width:40px;height:40px;border-radius:11px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.stat-tile .st-val{font-family:var(--mono);font-size:1.9rem;font-weight:800;line-height:1}
.stat-tile .st-label{color:var(--muted);font-size:.86rem;margin-top:7px}

/* ---------- Featured / student cards ---------- */
.student-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:26px 18px 20px;cursor:pointer}
.student-card .avatar{margin-bottom:13px}
.student-card h3{font-size:1.02rem;font-weight:700}
.student-card .rank-tag{
  position:absolute;top:14px;left:16px;font-family:var(--mono);font-weight:800;font-size:1rem;color:var(--dim);
}
.student-card.top1 .rank-tag{color:var(--gold)} .student-card.top2 .rank-tag{color:var(--silver)} .student-card.top3 .rank-tag{color:var(--bronze)}
.sc-stats{display:flex;gap:16px;margin-top:14px;padding-top:14px;border-top:1px solid var(--border);width:100%;justify-content:center}
.sc-stat{text-align:center}
.sc-stat b{font-family:var(--mono);font-size:1.02rem;display:block}
.sc-stat span{font-size:.7rem;color:var(--dim);text-transform:uppercase;letter-spacing:.5px}
.sc-ach{display:flex;gap:6px;margin-top:12px;min-height:30px;align-items:center}
.sc-ach .ach-icon{width:30px;height:30px;border-radius:9px}
.sc-ach .ach-icon .icon{width:15px;height:15px}
.check-row .ach-icon{width:28px;height:28px;border-radius:8px}
.check-row .ach-icon .icon{width:14px;height:14px}
.sc-ach .more{font-size:.75rem;color:var(--dim);font-family:var(--mono)}
.sc-head{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap;justify-content:center}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:26px;max-height:520px;overflow:auto}
.timeline::before{content:"";position:absolute;left:8px;top:4px;bottom:4px;width:2px;background:var(--border)}
.tl-item{position:relative;padding:0 0 18px 6px}
.tl-item::before{
  content:"";position:absolute;left:-24px;top:4px;width:12px;height:12px;border-radius:50%;
  background:var(--card);border:2.5px solid var(--c,var(--accent));box-shadow:0 0 8px var(--c,var(--accent));
}
.tl-item .tl-text{font-size:.9rem;line-height:1.45}
.tl-item .tl-time{font-size:.74rem;color:var(--dim);font-family:var(--mono);margin-top:3px}

/* ---------- Podium ---------- */
.podium{display:flex;align-items:flex-end;gap:12px;justify-content:center;padding:10px 0 4px}
.pd-slot{display:flex;flex-direction:column;align-items:center;gap:8px;width:31%}
.pd-bar{
  width:100%;border-radius:12px 12px 6px 6px;display:flex;align-items:flex-start;justify-content:center;
  font-family:var(--mono);font-weight:800;font-size:1.35rem;padding-top:10px;position:relative;
  background:linear-gradient(180deg,color-mix(in srgb,var(--pc) 26%,transparent),transparent);
  border:1px solid color-mix(in srgb,var(--pc) 45%,transparent);border-bottom:none;color:var(--pc);
}
.pd-1 .pd-bar{height:118px;--pc:var(--gold)} .pd-2 .pd-bar{height:88px;--pc:var(--silver)} .pd-3 .pd-bar{height:70px;--pc:var(--bronze)}
.pd-1 .avatar{box-shadow:0 0 0 3px var(--gold),0 0 22px rgba(251,191,36,.5)}
.pd-2 .avatar{box-shadow:0 0 0 3px var(--silver)}
.pd-3 .avatar{box-shadow:0 0 0 3px var(--bronze)}
.pd-name{font-weight:600;font-size:.88rem;text-align:center}
.pd-score{font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.pd-crown{color:var(--gold);margin-bottom:-4px}
.pd-crown .icon{width:20px;height:20px;fill:var(--gold)}

/* ---------- Profile ---------- */
.profile-head{display:grid;grid-template-columns:auto 1fr auto;gap:26px;align-items:center;padding:30px}
.profile-head .avatar{border-radius:24px}
.ph-name{font-size:1.7rem;font-weight:700;margin-bottom:8px}
.ph-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.ph-meta{display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:.88rem}
.ph-meta .icon{width:15px;height:15px;vertical-align:-2px;margin-right:5px}
.ph-score{text-align:right}
.ph-score .val{font-family:var(--mono);font-size:2.5rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.ph-score .lbl{color:var(--dim);font-size:.78rem;text-transform:uppercase;letter-spacing:1px;margin-top:5px}
.next-level{margin-top:14px}
.next-level .nl-top{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted);margin-bottom:6px}
.progress{height:10px;border-radius:999px;background:var(--bg-2);border:1px solid var(--border);overflow:hidden}
.progress>i{display:block;height:100%;background:var(--grad);border-radius:999px;transition:width 1s cubic-bezier(.2,.8,.2,1);box-shadow:0 0 10px rgba(56,189,248,.5)}
.nl-reqs{display:flex;gap:10px;margin-top:9px;flex-wrap:wrap;font-size:.76rem;color:var(--dim)}
.nl-reqs .ok{color:var(--green)}

/* topic mastery */
.topic-row{display:grid;grid-template-columns:190px 1fr 78px;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}
.topic-row:last-child{border-bottom:none}
.topic-row .t-name{font-size:.88rem;font-weight:600;display:flex;flex-direction:column;align-items:flex-start;gap:5px;line-height:1.3}
.topic-row .t-name .tn-line{display:flex;align-items:center;gap:7px}
.topic-row .t-xp{font-family:var(--mono);font-size:.78rem;color:var(--muted);text-align:right;white-space:nowrap}
.topic-row.mastered .t-name{color:var(--gold)}
.topic-row.mastered .progress>i{background:linear-gradient(90deg,var(--gold),#fde68a);box-shadow:0 0 10px rgba(251,191,36,.5)}
.mastered-tag{font-size:.62rem;line-height:1;color:var(--gold);border:1px solid rgba(251,191,36,.4);padding:3px 8px;border-radius:99px;text-transform:uppercase;letter-spacing:.6px;white-space:nowrap}

/* achievements grid */
.ach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.ach-card{display:flex;gap:13px;align-items:center;padding:14px;border:1px solid var(--border);border-radius:13px;background:var(--card-2);transition:.2s}
.ach-card:hover{transform:translateY(-2px);border-color:var(--tc)}
.ach-card h4{font-size:.88rem;font-weight:700}
.ach-card p{font-size:.74rem;color:var(--muted);margin-top:3px;line-height:1.4}
.ach-card .a-date{font-family:var(--mono);font-size:.68rem;color:var(--dim);margin-top:4px}

/* donut */
.donut-wrap{display:flex;align-items:center;gap:22px}
.donut-legend{display:flex;flex-direction:column;gap:10px;font-size:.88rem}
.dl-item{display:flex;align-items:center;gap:9px}
.dl-item b{font-family:var(--mono);margin-left:auto;padding-left:14px}

/* charts */
.chart{width:100%}
.chart svg{width:100%;height:auto;display:block}
.chart-empty{border:1px dashed var(--border-2);border-radius:12px;padding:34px 16px;text-align:center;color:var(--dim);font-size:.88rem}
.ch-axis{font-family:var(--mono);font-size:10px;fill:var(--dim)}
.ch-grid{stroke:var(--border);stroke-dasharray:3 4}
.ch-line{fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.ch-dot{stroke-width:2}
.ch-guide{stroke:var(--border-2);stroke-width:1}
.ch-bar{transition:opacity .15s}
.ch-bar:hover{opacity:.8}
#tooltip{
  position:fixed;z-index:200;pointer-events:none;background:var(--card);border:1px solid var(--border-2);
  border-radius:10px;padding:9px 12px;font-size:.8rem;box-shadow:var(--shadow-sm);max-width:260px;
}
#tooltip .tt-title{font-family:var(--mono);color:var(--dim);margin-bottom:4px;font-size:.72rem}
#tooltip .tt-row{display:flex;gap:8px;align-items:center;justify-content:space-between}
#tooltip .tt-row b{font-family:var(--mono)}

.hbar-row{display:grid;grid-template-columns:150px 1fr 60px;align-items:center;gap:12px;padding:7px 0;font-size:.87rem}
.hbar{height:12px;border-radius:99px;background:var(--bg-2);border:1px solid var(--border);overflow:hidden}
.hbar>i{display:block;height:100%;border-radius:99px;transition:width 1s ease}
.hbar-val{font-family:var(--mono);font-size:.8rem;text-align:right;color:var(--muted)}

/* level ladder */
.ladder{display:flex;gap:9px;flex-wrap:wrap}
.ladder-step{
  flex:1 1 100px;min-width:100px;padding:14px 10px;border-radius:12px;text-align:center;
  border:1px solid color-mix(in srgb,var(--lc) 40%,transparent);
  background:color-mix(in srgb,var(--lc) 8%,transparent);
  transition:.2s;
}
.ladder-step:hover{transform:translateY(-3px)}
.ladder-step b{font-size:.86rem;color:var(--lc)}
.ladder-step span{display:block;font-size:.7rem;color:var(--dim);margin-top:5px;font-family:var(--mono)}

/* contests */
.contest-card{display:grid;grid-template-columns:1fr 1.1fr;gap:26px;align-items:center}
.contest-meta h3{font-size:1.2rem;font-weight:700}
.contest-meta .c-date{color:var(--accent);font-family:var(--mono);font-size:.82rem;margin:6px 0 10px;display:flex;align-items:center;gap:7px}
.contest-meta p{color:var(--muted);font-size:.92rem;line-height:1.55}
.contest-mini{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}
.rank-45{display:grid;grid-template-columns:30px 1fr auto auto;gap:10px;align-items:center;padding:8px 12px;border-radius:10px;background:var(--card-2);border:1px solid var(--border);font-size:.88rem;margin-top:8px}
.rank-45 .rk{font-family:var(--mono);color:var(--dim);font-weight:700}
.rank-45 .pts{font-family:var(--mono);color:var(--gold);font-weight:700;font-size:.8rem}
.rank-badge{display:inline-flex;width:26px;height:26px;border-radius:8px;align-items:center;justify-content:center;font-family:var(--mono);font-weight:800;font-size:.8rem}
.rank-badge.r1{background:rgba(251,191,36,.15);color:var(--gold);border:1px solid rgba(251,191,36,.4)}
.rank-badge.r2{background:rgba(203,213,225,.12);color:var(--silver);border:1px solid rgba(203,213,225,.35)}
.rank-badge.r3{background:rgba(208,138,78,.12);color:var(--bronze);border:1px solid rgba(208,138,78,.35)}
.rank-badge.rx{background:var(--card-2);color:var(--dim);border:1px solid var(--border)}

/* analytics matrix */
.matrix{overflow-x:auto}
.matrix table{border-collapse:collapse;font-size:.82rem}
.matrix th,.matrix td{padding:8px 12px;text-align:left;white-space:nowrap}
.matrix thead th{color:var(--dim);font-size:.7rem;text-transform:uppercase;letter-spacing:.6px;border-bottom:1px solid var(--border)}
.matrix td{border-bottom:1px solid var(--border)}
.matrix .cell-bar{width:110px;height:8px;border-radius:99px;background:var(--bg-2);overflow:hidden;display:inline-block;vertical-align:middle;margin-right:8px;border:1px solid var(--border)}
.matrix .cell-bar>i{display:block;height:100%}
.matrix .cell-pct{font-family:var(--mono);font-size:.75rem;color:var(--muted)}

/* compare */
.compare-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.compare-bar .field{margin-bottom:0;min-width:190px;flex:1}
.cmp-table td:first-child{color:var(--muted);font-weight:600}

/* ---------- Modal / toast ---------- */
#modal-root:empty{display:none}
.modal-overlay{
  position:fixed;inset:0;z-index:100;background:rgba(3,6,14,.68);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:18px;animation:fadeIn .2s;
}
.modal{
  background:var(--card);border:1px solid var(--border-2);border-radius:18px;width:100%;max-width:560px;
  max-height:88vh;display:flex;flex-direction:column;box-shadow:var(--shadow);animation:popIn .28s cubic-bezier(.2,.9,.3,1.3);
}
.modal.wide{max-width:760px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}
.modal-head h3{font-size:1.08rem;font-weight:700}
.modal-body{padding:22px;overflow-y:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:16px 22px;border-top:1px solid var(--border)}
@keyframes fadeIn{from{opacity:0}}
@keyframes popIn{from{opacity:0;transform:scale(.94) translateY(10px)}}

#toast-root{position:fixed;top:82px;right:20px;z-index:300;display:flex;flex-direction:column;gap:10px}
.toast{
  display:flex;align-items:center;gap:11px;background:var(--card);border:1px solid var(--border-2);
  border-left:4px solid var(--accent);padding:13px 18px;border-radius:12px;box-shadow:var(--shadow-sm);
  font-size:.9rem;animation:toastIn .3s cubic-bezier(.2,.9,.3,1.2);max-width:360px;
}
.toast .icon{width:19px;height:19px;color:var(--accent)}
.toast.success{border-left-color:var(--green)} .toast.success .icon{color:var(--green)}
.toast.error{border-left-color:var(--red)} .toast.error .icon{color:var(--red)}
.toast.gold{border-left-color:var(--gold)} .toast.gold .icon{color:var(--gold)}
.toast.out{animation:toastOut .3s forwards}
@keyframes toastIn{from{opacity:0;transform:translateX(40px)}}
@keyframes toastOut{to{opacity:0;transform:translateX(40px)}}

.confetti{position:fixed;width:9px;height:14px;z-index:400;pointer-events:none;border-radius:2px;animation:confetti 1.15s ease-out forwards}
@keyframes confetti{to{transform:translate(var(--dx),var(--dy)) rotate(var(--rot));opacity:0}}

/* ---------- Empty states ---------- */
.empty{padding:56px 22px;text-align:center;border:1.5px dashed var(--border-2);border-radius:var(--radius)}
.empty .e-ic{
  width:70px;height:70px;margin:0 auto 18px;border-radius:20px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
}
.empty .e-ic .icon{width:32px;height:32px}
.empty h3{font-size:1.12rem;font-weight:700}
.empty p{color:var(--muted);font-size:.9rem;margin:8px auto 18px;max-width:380px}

/* ---------- Admin ---------- */
.login-wrap{max-width:420px;margin:60px auto}
.login-card{text-align:center;padding:38px 32px}
.login-lock{width:74px;height:74px;margin:0 auto 20px;border-radius:22px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#071120;box-shadow:0 12px 34px rgba(56,189,248,.35)}
.login-lock .icon{width:34px;height:34px}
.login-hint{margin-top:14px;font-size:.8rem;color:var(--dim)}
.login-hint code{font-family:var(--mono);background:var(--card-2);padding:2px 8px;border-radius:6px;color:var(--accent)}
.shake{animation:shake .4s}
@keyframes shake{25%{transform:translateX(-7px)}75%{transform:translateX(7px)}}

.admin-layout{display:grid;grid-template-columns:230px 1fr;gap:22px;align-items:start}
.admin-side{position:sticky;top:calc(var(--topbar-h) + 20px);display:flex;flex-direction:column;gap:4px;padding:14px}
.admin-side .as-link{
  display:flex;align-items:center;gap:11px;padding:10px 13px;border-radius:10px;color:var(--muted);
  font-size:.9rem;font-weight:600;transition:.18s;
}
.admin-side .as-link .icon{width:17px;height:17px}
.admin-side .as-link:hover{background:var(--accent-soft);color:var(--text)}
.admin-side .as-link.active{background:var(--accent-soft);color:var(--accent)}
.admin-side hr{border:none;border-top:1px solid var(--border);margin:10px 0}
.admin-toolbar{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap;align-items:center}
.admin-toolbar .input{max-width:280px}
.admin-toolbar .spacer{flex:1}

.photo-preview{width:84px;height:84px;border-radius:16px;overflow:hidden;border:1px solid var(--border-2);display:flex;align-items:center;justify-content:center;background:var(--bg-2);font-weight:700;font-size:1.4rem;color:#fff}
.photo-row{display:flex;gap:14px;align-items:center}
.row-actions{display:flex;gap:6px;justify-content:flex-end}
.danger-zone{border-color:rgba(248,113,113,.4)}
.kbd-pill{font-family:var(--mono);font-size:.75rem;background:var(--bg-2);border:1px solid var(--border);padding:2px 8px;border-radius:6px}

.rank-cell{font-family:var(--mono);font-weight:800;font-size:1rem;width:46px}
.rank-cell.r1{color:var(--gold)} .rank-cell.r2{color:var(--silver)} .rank-cell.r3{color:var(--bronze)}
.me-row{background:var(--accent-soft)}

.level-edit-table input,.level-edit-table select{width:100%;padding:7px 9px;font-size:.85rem}
.level-edit-table input[type=color]{padding:2px;height:34px;cursor:pointer}
.color-dot{width:26px;height:26px;border-radius:8px;border:1px solid var(--border-2);cursor:pointer;padding:0}

/* ---------- Back link / utility ---------- */
.back-link{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:.88rem;font-weight:600;margin-bottom:18px;transition:.2s}
.back-link:hover{color:var(--accent);transform:translateX(-3px)}
.back-link .icon{width:16px;height:16px}
.divider{border:none;border-top:1px solid var(--border);margin:22px 0}
.link-accent{color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.link-accent:hover{text-decoration:underline}
.link-accent .icon{width:14px;height:14px}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:22px}
.filter-bar .input{max-width:240px}
.filter-bar .select{max-width:190px}
.spacer{flex:1}

/* ---------- Reveal animations ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}.reveal-d2{transition-delay:.16s}.reveal-d3{transition-delay:.24s}
@keyframes popBadge{0%{transform:scale(.4);opacity:0}70%{transform:scale(1.12)}100%{transform:scale(1)}}
.pop-in{animation:popBadge .45s cubic-bezier(.2,.9,.3,1.3) backwards}

/* ---------- Footer ---------- */
#footer{border-top:1px solid var(--border);background:var(--bg-2);position:relative;z-index:2;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px;padding:44px 22px 30px}
.footer-col h4{font-size:.85rem;text-transform:uppercase;letter-spacing:1px;color:var(--dim);margin-bottom:14px}
.footer-col a{display:block;color:var(--muted);font-size:.9rem;padding:5px 0;transition:.15s}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-col p{margin-top:12px;font-size:.9rem;line-height:1.6}
.footer-brand{margin-bottom:4px}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;padding:16px 22px 22px;border-top:1px solid var(--border);flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:1120px){
  #main-nav{display:none}
  #nav-burger{display:inline-flex}
  .hero{grid-template-columns:1fr;min-height:0}
  .terminal{max-width:560px}
}
@media (max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .profile-head{grid-template-columns:1fr;text-align:center}
  .profile-head .avatar{margin:0 auto}
  .ph-chips,.ph-meta{justify-content:center}
  .ph-score{text-align:center;margin-top:8px}
  .contest-card{grid-template-columns:1fr}
  .admin-layout{grid-template-columns:1fr}
  .admin-side{position:static;flex-direction:row;overflow-x:auto;padding:10px}
  .admin-side .as-link{white-space:nowrap}
  .admin-side hr{display:none}
}
@media (max-width:680px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .brand-name{display:none}
  .topbar-inner{padding:0 12px;gap:10px}
  .search-box{width:132px}
  .search-dropdown{position:fixed;left:12px;right:12px;top:calc(var(--topbar-h) + 8px);min-width:0}
  .page-head h1{font-size:1.5rem}
  .hero h1{font-size:2.2rem}
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .topic-row{grid-template-columns:132px 1fr 62px;gap:8px}
  .topic-row .t-xp{font-size:.7rem}
  .podium{gap:6px}
  .profile-head{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s !important;transition-duration:.001s !important}
  #fx-canvas{display:none}
  .reveal{opacity:1;transform:none}
}