/* ══════════════════════════════════
   SAP — SECURITY AWARENESS PLATFORM
   Cyber Dark Theme
══════════════════════════════════ */

:root {
  --bg:       #060910;
  --surface:  #0b1120;
  --card:     #0f1829;
  --card2:    #141f35;
  --border:   rgba(0,212,255,0.12);
  --border2:  rgba(0,212,255,0.25);
  --cyan:     #00d4ff;
  --green:    #00ff88;
  --red:      #ff3366;
  --orange:   #ff6b35;
  --purple:   #7c3aed;
  --yellow:   #ffd700;
  --blue:     #3b82f6;
  --text:     #e2e8f0;
  --dim:      #4a6080;
  --dim2:     #64748b;
  --font-mono:'Share Tech Mono', monospace;
  --font-head:'Space Grotesk', sans-serif;
  --font-body:'Space Grotesk', sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  min-height:100vh;
  overflow-x:hidden;
  position:relative;
}

/* ── ATMOSPHERIC BACKGROUND ── */
.scanlines{
  position:fixed;inset:0;
  background:repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,212,255,0.015) 2px,
    rgba(0,212,255,0.015) 4px
  );
  pointer-events:none;z-index:1;
}

.grid-bg{
  position:fixed;inset:0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size:60px 60px;
  pointer-events:none;z-index:0;
}

/* ── UPDATE BANNER ── */
.update-banner{
  position:relative;z-index:100;
  background:linear-gradient(90deg, rgba(255,51,102,0.15), rgba(255,107,53,0.1));
  border-bottom:1px solid rgba(255,51,102,0.3);
  padding:8px 16px;
}
.ub-inner{
  display:flex;align-items:center;gap:12px;
  max-width:1400px;margin:0 auto;
  font-family:var(--font-mono);font-size:11px;
}
.ub-pulse{
  width:8px;height:8px;border-radius:50%;
  background:var(--red);flex-shrink:0;
  animation:pulse 1.5s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(255,51,102,0.7);}
  50%{box-shadow:0 0 0 6px rgba(255,51,102,0);}
}
.ub-org{font-weight:700;color:var(--red);letter-spacing:0.08em;}
.ub-sep{color:var(--dim);}
.ub-msg{color:var(--text);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ub-date{color:var(--dim);flex-shrink:0;}
.ub-close{
  background:none;border:none;color:var(--dim);cursor:pointer;
  font-size:12px;padding:2px 6px;flex-shrink:0;
  transition:color 0.2s;
}
.ub-close:hover{color:var(--red);}

/* ── NAVBAR ── */
.navbar{
  position:relative;z-index:99;
  display:flex;align-items:center;gap:16px;
  padding:12px 24px;
  background:rgba(6,9,16,0.9);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(12px);
}
.nav-brand{
  display:flex;align-items:center;gap:12px;cursor:pointer;flex-shrink:0;
}
.nav-logo{
  font-family:var(--font-mono);font-size:22px;font-weight:700;
  color:var(--cyan);letter-spacing:0.05em;
  text-shadow:0 0 20px rgba(0,212,255,0.6);
}
.logo-bracket{color:var(--green);opacity:0.8;}
.nav-title{
  font-family:var(--font-head);font-size:13px;font-weight:700;
  color:var(--dim2);letter-spacing:0.15em;text-transform:uppercase;
}
.nav-links{display:flex;gap:4px;flex:1;}
.nav-btn{
  background:transparent;border:1px solid transparent;
  color:var(--dim2);padding:6px 12px;border-radius:6px;
  font-family:var(--font-body);font-size:12px;font-weight:600;
  cursor:pointer;letter-spacing:0.05em;
  transition:all 0.2s;
}
.nav-btn:hover{
  border-color:var(--border2);color:var(--cyan);
  background:rgba(0,212,255,0.06);
  text-shadow:0 0 12px rgba(0,212,255,0.4);
}
.nav-hud{
  display:flex;align-items:center;gap:12px;flex-shrink:0;
}
.hud-item{
  display:flex;align-items:center;gap:5px;
  font-family:var(--font-mono);font-size:13px;
}
.hud-val{color:var(--cyan);}
.hud-rank{
  font-family:var(--font-mono);font-size:10px;font-weight:700;
  color:var(--green);letter-spacing:0.15em;
  border:1px solid rgba(0,255,136,0.3);
  padding:3px 8px;border-radius:4px;
  text-shadow:0 0 8px rgba(0,255,136,0.5);
}

/* ── SCREENS ── */
.screen{display:none;position:relative;z-index:10;}
.screen.active{display:block;}

/* ── HERO ── */
.hero{
  text-align:center;
  padding:80px 24px 60px;
  max-width:900px;margin:0 auto;
}
.hero-tag{
  font-family:var(--font-mono);font-size:11px;
  color:var(--dim2);letter-spacing:0.2em;
  margin-bottom:28px;
}
.hero-title{
  display:flex;flex-direction:column;
  font-family:var(--font-head);font-weight:900;
  line-height:0.9;margin-bottom:28px;
}
.hero-line1{
  font-size:clamp(48px,10vw,110px);
  color:var(--text);letter-spacing:-0.02em;
}
.hero-line2{
  font-size:clamp(48px,10vw,110px);
  color:var(--cyan);letter-spacing:-0.02em;
  text-shadow:0 0 40px rgba(0,212,255,0.4);
}
.hero-line3{
  font-size:clamp(32px,6vw,70px);
  color:var(--dim);letter-spacing:0.15em;
}
.hero-sub{
  font-size:15px;color:var(--dim2);line-height:1.7;
  max-width:600px;margin:0 auto 36px;
}
.hero-actions{display:flex;gap:16px;justify-content:center;margin-bottom:48px;flex-wrap:wrap;}

.btn-primary{
  display:flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--cyan),#0088cc);
  color:#000;font-family:var(--font-head);font-size:14px;font-weight:800;
  border:none;padding:14px 32px;border-radius:8px;cursor:pointer;
  letter-spacing:0.1em;text-transform:uppercase;
  box-shadow:0 0 30px rgba(0,212,255,0.3);
  transition:all 0.3s;
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 50px rgba(0,212,255,0.5);
}
.btn-secondary{
  display:flex;align-items:center;gap:8px;
  background:transparent;color:var(--cyan);
  font-family:var(--font-head);font-size:14px;font-weight:700;
  border:1px solid rgba(0,212,255,0.4);
  padding:14px 32px;border-radius:8px;cursor:pointer;
  letter-spacing:0.1em;text-transform:uppercase;
  transition:all 0.3s;
}
.btn-secondary:hover{
  background:rgba(0,212,255,0.08);
  border-color:var(--cyan);
  box-shadow:0 0 20px rgba(0,212,255,0.2);
}

.hero-stats{
  display:flex;align-items:center;justify-content:center;
  gap:0;flex-wrap:wrap;
  border:1px solid var(--border);border-radius:12px;
  background:rgba(15,24,41,0.6);
  padding:20px 40px;
}
.hstat{text-align:center;padding:0 32px;}
.hstat-num{
  font-family:var(--font-mono);font-size:28px;font-weight:700;
  color:var(--cyan);text-shadow:0 0 20px rgba(0,212,255,0.4);
}
.hstat-lbl{font-size:11px;color:var(--dim);letter-spacing:0.1em;text-transform:uppercase;margin-top:4px;}
.hstat-div{width:1px;height:40px;background:var(--border);}

/* ── SOURCES ── */
.sources-row{
  text-align:center;padding:0 24px 48px;
}
.src-label{
  font-family:var(--font-mono);font-size:10px;color:var(--dim);
  letter-spacing:0.2em;margin-bottom:16px;
}
.sources{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;}
.src-badge{
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  padding:6px 16px;border-radius:6px;letter-spacing:0.1em;
  border:1px solid;transition:all 0.3s;cursor:default;
}
.src-badge:hover{transform:translateY(-2px);}
.sans{color:#ff6b35;border-color:rgba(255,107,53,0.4);background:rgba(255,107,53,0.08);}
.owasp{color:#00a8e8;border-color:rgba(0,168,232,0.4);background:rgba(0,168,232,0.08);}
.isc{color:#00ff88;border-color:rgba(0,255,136,0.4);background:rgba(0,255,136,0.08);}
.cisa{color:#ffd700;border-color:rgba(255,215,0,0.4);background:rgba(255,215,0,0.08);}
.nist{color:#a78bfa;border-color:rgba(167,139,250,0.4);background:rgba(167,139,250,0.08);}
.htb{color:#9fef00;border-color:rgba(159,239,0,0.4);background:rgba(159,239,0,0.08);}
.thm{color:#ff4a4a;border-color:rgba(255,74,74,0.4);background:rgba(255,74,74,0.08);}

/* ── SECTION HEADER ── */
.section-header{
  display:flex;align-items:center;gap:16px;
  padding:0 24px 24px;max-width:1400px;margin:0 auto;
}
.sec-line{flex:1;height:1px;background:var(--border);}
.sec-title{
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  color:var(--cyan);letter-spacing:0.2em;flex-shrink:0;
}

/* ── CATEGORY GRID ── */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:16px;padding:0 24px 48px;
  max-width:1400px;margin:0 auto;
}
.cat-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;padding:20px;
  cursor:pointer;transition:all 0.3s;
  position:relative;overflow:hidden;
}
.cat-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,transparent,rgba(0,212,255,0.03));
  opacity:0;transition:opacity 0.3s;
}
.cat-card:hover{
  border-color:var(--border2);
  transform:translateY(-4px);
  box-shadow:0 8px 30px rgba(0,212,255,0.15);
}
.cat-card:hover::before{opacity:1;}
.cat-icon{font-size:28px;margin-bottom:10px;}
.cat-name{
  font-family:var(--font-head);font-size:14px;font-weight:700;
  color:var(--text);margin-bottom:4px;
}
.cat-count{
  font-family:var(--font-mono);font-size:11px;color:var(--dim2);
}
.cat-bar{height:3px;background:var(--border);border-radius:2px;margin-top:12px;}
.cat-bar-fill{height:100%;border-radius:2px;transition:width 0.5s;}

/* ── TYPE GRID ── */
.type-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:16px;padding:0 24px 60px;
  max-width:1400px;margin:0 auto;
}
.type-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:12px;padding:20px;
  transition:all 0.3s;
}
.type-card:hover{
  border-color:rgba(0,255,136,0.3);
  box-shadow:0 4px 20px rgba(0,255,136,0.08);
}
.type-icon{
  font-family:var(--font-mono);font-size:22px;
  color:var(--green);margin-bottom:10px;
}
.type-name{
  font-family:var(--font-head);font-size:13px;font-weight:700;
  color:var(--text);margin-bottom:6px;
}
.type-desc{font-size:12px;color:var(--dim2);line-height:1.6;}

/* ══════════════════════════════════
   GAME SCREEN
══════════════════════════════════ */
.filter-bar{
  display:flex;align-items:center;gap:12px;
  padding:14px 24px;
  background:rgba(11,17,32,0.9);
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(12px);
  flex-wrap:wrap;
}
.filter-label{
  font-family:var(--font-mono);font-size:10px;
  color:var(--dim);letter-spacing:0.15em;flex-shrink:0;
}
.filter-pills{display:flex;gap:6px;flex:1;flex-wrap:wrap;}
.fpill{
  font-family:var(--font-mono);font-size:10px;font-weight:700;
  padding:4px 12px;border-radius:4px;border:1px solid var(--border);
  background:transparent;color:var(--dim2);cursor:pointer;
  letter-spacing:0.08em;transition:all 0.2s;
}
.fpill:hover,.fpill.active{
  border-color:var(--cyan);color:var(--cyan);
  background:rgba(0,212,255,0.08);
}
.filter-diff{display:flex;gap:4px;flex-shrink:0;}
.diff-btn{
  font-family:var(--font-mono);font-size:10px;font-weight:700;
  padding:4px 10px;border-radius:4px;border:1px solid var(--border);
  background:transparent;color:var(--dim2);cursor:pointer;
  letter-spacing:0.08em;transition:all 0.2s;
}
.diff-btn.active,.diff-btn:hover{border-color:var(--cyan);color:var(--cyan);}
.diff-btn.easy.active{border-color:var(--green);color:var(--green);}
.diff-btn.med.active{border-color:var(--yellow);color:var(--yellow);}
.diff-btn.hard.active{border-color:var(--red);color:var(--red);}

.game-layout{
  display:grid;grid-template-columns:1fr 320px;
  gap:20px;padding:20px 24px;
  max-width:1400px;margin:0 auto;
  align-items:start;
}
@media(max-width:900px){.game-layout{grid-template-columns:1fr;}}

/* ── CHALLENGE CARD ── */
.challenge-col{display:flex;flex-direction:column;gap:16px;}
.ch-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;overflow:hidden;
  min-height:400px;
}
.ch-header{
  display:flex;align-items:flex-start;justify-content:space-between;
  padding:20px 20px 0;gap:12px;
}
.ch-meta{display:flex;flex-direction:column;gap:6px;}
.ch-badges{display:flex;gap:6px;flex-wrap:wrap;}
.badge{
  font-family:var(--font-mono);font-size:9px;font-weight:700;
  padding:3px 8px;border-radius:4px;letter-spacing:0.1em;
}
.badge-cat{background:rgba(0,212,255,0.12);color:var(--cyan);border:1px solid rgba(0,212,255,0.2);}
.badge-src{background:rgba(255,107,53,0.12);color:var(--orange);border:1px solid rgba(255,107,53,0.2);}
.badge-easy{background:rgba(0,255,136,0.12);color:var(--green);border:1px solid rgba(0,255,136,0.2);}
.badge-medium{background:rgba(255,215,0,0.12);color:var(--yellow);border:1px solid rgba(255,215,0,0.2);}
.badge-hard{background:rgba(255,51,102,0.12);color:var(--red);border:1px solid rgba(255,51,102,0.2);}
.badge-cve{background:rgba(124,58,237,0.15);color:#a78bfa;border:1px solid rgba(124,58,237,0.3);}
.badge-type{background:rgba(59,130,246,0.12);color:#93c5fd;border:1px solid rgba(59,130,246,0.2);}
.ch-id{font-family:var(--font-mono);font-size:10px;color:var(--dim);}
.ch-actions{display:flex;gap:8px;flex-shrink:0;}
.ch-hint-btn{
  background:rgba(255,215,0,0.1);border:1px solid rgba(255,215,0,0.3);
  color:var(--yellow);padding:5px 10px;border-radius:6px;
  font-size:11px;cursor:pointer;font-family:var(--font-mono);
  transition:all 0.2s;
}
.ch-hint-btn:hover{background:rgba(255,215,0,0.2);}
.ch-solved-badge{
  font-family:var(--font-mono);font-size:10px;font-weight:700;
  color:var(--green);border:1px solid rgba(0,255,136,0.4);
  padding:3px 10px;border-radius:4px;
  background:rgba(0,255,136,0.08);
}
.ch-title{
  font-family:var(--font-head);font-size:26px;font-weight:800;
  color:#ffffff;padding:14px 20px 0;line-height:1.3;
  text-shadow:0 0 20px rgba(255,255,255,0.08);
}
.ch-desc{
  font-size:17px;color:#d0dff0;line-height:1.75;
  padding:10px 20px 16px;
  font-weight:500;
}

/* Code block */
.ch-code{
  margin:0 20px 16px;
  background:rgba(0,0,0,0.4);
  border:1px solid rgba(0,212,255,0.1);
  border-radius:8px;overflow:hidden;
}
.ch-code-header{
  display:flex;align-items:center;gap:6px;
  padding:8px 12px;
  background:rgba(0,0,0,0.3);
  border-bottom:1px solid rgba(0,212,255,0.08);
}
.code-dot{width:10px;height:10px;border-radius:50%;}
.code-dot:nth-child(1){background:#ff5f56;}
.code-dot:nth-child(2){background:#ffbd2e;}
.code-dot:nth-child(3){background:#27c93f;}
.code-label{
  font-family:var(--font-mono);font-size:10px;
  color:var(--dim);margin-left:4px;
}
.ch-code pre{
  font-family:var(--font-mono);font-size:12px;line-height:1.7;
  color:#a8d8ea;padding:14px 16px;
  overflow-x:auto;white-space:pre-wrap;word-break:break-all;
}

/* Multiple choice options */
.options-area{padding:0 20px 20px;}
.opt-instruction{
  font-family:var(--font-mono);font-size:12px;
  color:#ffffff;letter-spacing:0.12em;margin-bottom:12px;font-weight:700;
}
.option{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px 18px;border-radius:10px;
  border:1px solid rgba(0,212,255,0.2);
  background:rgba(255,255,255,0.05);
  cursor:pointer;margin-bottom:10px;
  transition:all 0.2s;
}
.option:hover{
  border-color:var(--cyan);
  background:rgba(0,212,255,0.1);
  transform:translateX(4px);
  box-shadow:0 0 15px rgba(0,212,255,0.1);
}
.option.correct{
  border-color:var(--green)!important;
  background:rgba(0,255,136,0.12)!important;
  color:#ffffff;
}
.option.correct .opt-text{color:var(--green)!important;font-weight:700;}
.option.wrong{
  border-color:var(--red)!important;
  background:rgba(255,51,102,0.12)!important;
  color:#ffffff;
}
.option.wrong .opt-text{color:var(--red)!important;font-weight:700;}
.opt-key{
  width:30px;height:30px;border-radius:6px;
  border:1px solid var(--cyan);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:13px;font-weight:800;
  color:var(--cyan);flex-shrink:0;
  background:rgba(0,212,255,0.08);
}
.option.correct .opt-key{background:var(--green);border-color:var(--green);color:#000;}
.option.wrong .opt-key{background:var(--red);border-color:var(--red);color:#fff;}
.opt-text{font-size:16px;line-height:1.6;padding-top:3px;color:#ffffff;font-weight:500;}

/* True/False */
.tf-area{display:flex;gap:12px;padding:0 20px 20px;}
.tf-btn{
  flex:1;padding:20px;border-radius:10px;
  border:1px solid var(--border);
  background:rgba(255,255,255,0.02);
  cursor:pointer;font-family:var(--font-head);
  font-size:20px;font-weight:800;
  letter-spacing:0.1em;transition:all 0.3s;
}
.tf-btn.true-btn{color:var(--green);}
.tf-btn.false-btn{color:var(--red);}
.tf-btn:hover{transform:translateY(-2px);}
.tf-btn.correct{background:rgba(0,255,136,0.1);border-color:var(--green);}
.tf-btn.wrong{background:rgba(255,51,102,0.1);border-color:var(--red);}

/* Fill in blank */
.fitb-area{padding:0 20px 20px;}
.fitb-input{
  width:100%;background:rgba(0,0,0,0.4);
  border:1px solid var(--border2);border-radius:8px;
  color:var(--cyan);font-family:var(--font-mono);font-size:14px;
  padding:12px 16px;outline:none;
  transition:all 0.2s;
}
.fitb-input:focus{border-color:var(--cyan);box-shadow:0 0 15px rgba(0,212,255,0.15);}
.fitb-submit{
  margin-top:10px;
  background:linear-gradient(135deg,rgba(0,212,255,0.2),rgba(0,136,204,0.2));
  border:1px solid rgba(0,212,255,0.4);color:var(--cyan);
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  padding:10px 24px;border-radius:6px;cursor:pointer;
  letter-spacing:0.1em;transition:all 0.2s;
}
.fitb-submit:hover{background:rgba(0,212,255,0.15);}

/* Spot the vuln */
.spotv-area{padding:0 20px 20px;}
.spotv-line{
  font-family:var(--font-mono);font-size:15px;line-height:2.1;
  padding:5px 10px;border-radius:6px;cursor:pointer;
  border:1px solid transparent;transition:all 0.2s;
  display:flex;align-items:center;gap:10px;
  color:#d0dff0;
}
.spotv-lnum{color:var(--cyan);font-size:13px;width:28px;flex-shrink:0;text-align:right;opacity:0.6;}
.spotv-line:hover{background:rgba(0,212,255,0.06);border-color:var(--border);}
.spotv-line.selected{background:rgba(255,51,102,0.1);border-color:var(--red);color:var(--red);}
.spotv-line.correct-line{background:rgba(0,255,136,0.1);border-color:var(--green);color:var(--green);}

/* Match mode */
.match-area{padding:0 20px 20px;}
.match-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.match-col-title{font-family:var(--font-mono);font-size:10px;color:var(--dim);letter-spacing:0.1em;margin-bottom:8px;}
.match-item{
  padding:10px 12px;border-radius:6px;
  border:1px solid var(--border);background:rgba(255,255,255,0.02);
  font-size:12px;cursor:pointer;transition:all 0.2s;margin-bottom:6px;
}
.match-item:hover,.match-item.selected{border-color:var(--cyan);background:rgba(0,212,255,0.06);}
.match-item.matched{border-color:var(--green);background:rgba(0,255,136,0.06);color:var(--green);}
.match-item.wrong-match{border-color:var(--red);background:rgba(255,51,102,0.06);color:var(--red);}

/* Result message */
.ch-result{
  margin:0 20px 16px;
  padding:12px 16px;border-radius:8px;
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  display:none;
}
.ch-result.show{display:block;}
.ch-result.ok{background:rgba(0,255,136,0.08);border:1px solid rgba(0,255,136,0.3);color:var(--green);}
.ch-result.no{background:rgba(255,51,102,0.08);border:1px solid rgba(255,51,102,0.3);color:var(--red);}

/* Nav arrows */
.ch-nav{
  display:flex;align-items:center;justify-content:space-between;
  background:var(--card);border:1px solid var(--border);
  border-radius:10px;padding:10px 16px;
}
.nav-arrow{
  background:transparent;border:1px solid var(--border);
  color:var(--cyan);font-family:var(--font-mono);font-size:11px;
  font-weight:700;padding:8px 16px;border-radius:6px;
  cursor:pointer;letter-spacing:0.08em;transition:all 0.2s;
}
.nav-arrow:hover{border-color:var(--cyan);background:rgba(0,212,255,0.08);}
.ch-counter{
  font-family:var(--font-mono);font-size:13px;color:var(--dim2);
}

/* ── SIDEBAR ── */
.sidebar{display:flex;flex-direction:column;gap:16px;}
.sb-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:12px;padding:16px;
}
.sb-title{
  font-family:var(--font-mono);font-size:10px;font-weight:700;
  color:var(--dim2);letter-spacing:0.15em;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.live-dot{
  width:6px;height:6px;border-radius:50%;background:var(--green);
  animation:pulse-green 1.5s ease-in-out infinite;flex-shrink:0;
}
@keyframes pulse-green{
  0%,100%{box-shadow:0 0 0 0 rgba(0,255,136,0.7);}
  50%{box-shadow:0 0 0 5px rgba(0,255,136,0);}
}

/* Progress ring */
.progress-ring-wrap{
  position:relative;width:120px;height:120px;
  margin:0 auto 16px;
}
.progress-ring{width:100%;height:100%;transform:rotate(-90deg);}
.ring-bg{fill:none;stroke:var(--border);stroke-width:8;}
.ring-fill{
  fill:none;stroke:var(--cyan);stroke-width:8;
  stroke-linecap:round;
  stroke-dasharray:264;stroke-dashoffset:264;
  transition:stroke-dashoffset 0.6s cubic-bezier(0.4,0,0.2,1);
  filter:drop-shadow(0 0 6px rgba(0,212,255,0.6));
}
.ring-text{
  position:absolute;inset:0;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
}
.ring-num{
  font-family:var(--font-mono);font-size:28px;font-weight:700;
  color:var(--cyan);
}
.ring-lbl{font-family:var(--font-mono);font-size:10px;color:var(--dim);}
.prog-bar-wrap{margin-bottom:14px;}
.prog-bar{height:4px;background:rgba(255,255,255,0.06);border-radius:2px;margin-bottom:6px;}
.prog-fill{
  height:100%;background:linear-gradient(90deg,var(--cyan),var(--green));
  border-radius:2px;transition:width 0.5s;
  box-shadow:0 0 8px rgba(0,212,255,0.5);
}
.prog-lbl{font-family:var(--font-mono);font-size:11px;color:var(--dim2);text-align:center;}
.sb-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;}
.sb-stat{
  background:rgba(0,0,0,0.3);border:1px solid var(--border);
  border-radius:8px;padding:10px 6px;text-align:center;
}
.ss-val{
  display:block;font-family:var(--font-mono);font-size:18px;
  color:var(--cyan);font-weight:700;
}
.ss-lbl{font-family:var(--font-mono);font-size:9px;color:var(--dim);letter-spacing:0.08em;}

/* Rank card */
.rank-card{background:linear-gradient(135deg,var(--card),rgba(124,58,237,0.1));}
.rank-display{text-align:center;margin-bottom:12px;}
.rank-icon{font-size:32px;margin-bottom:6px;}
.rank-name{
  font-family:var(--font-head);font-size:18px;font-weight:800;
  color:var(--text);letter-spacing:0.1em;
}
.rank-sub{font-family:var(--font-mono);font-size:10px;color:var(--dim);margin-top:4px;}
.rank-bar{height:4px;background:rgba(255,255,255,0.06);border-radius:2px;}
.rank-fill{
  height:100%;background:linear-gradient(90deg,var(--purple),var(--cyan));
  border-radius:2px;transition:width 0.5s;
}

/* Intel list */
.intel-list{display:flex;flex-direction:column;gap:6px;margin-bottom:10px;}
.intel-item{
  padding:8px 10px;border-radius:6px;
  border-left:3px solid var(--orange);
  background:rgba(255,107,53,0.04);
  cursor:pointer;transition:all 0.2s;
}
.intel-item:hover{background:rgba(255,107,53,0.08);}
.ii-org{font-family:var(--font-mono);font-size:9px;color:var(--orange);letter-spacing:0.08em;}
.ii-msg{font-size:11px;color:var(--dim2);margin-top:2px;line-height:1.4;}
.ii-date{font-family:var(--font-mono);font-size:9px;color:var(--dim);margin-top:3px;}
.sb-link{
  background:none;border:none;color:var(--cyan);
  font-family:var(--font-mono);font-size:11px;
  cursor:pointer;padding:0;transition:all 0.2s;
}
.sb-link:hover{text-shadow:0 0 10px rgba(0,212,255,0.5);}

/* Reset btn */
.btn-reset{
  background:transparent;border:1px solid rgba(255,51,102,0.25);
  color:var(--dim2);font-family:var(--font-mono);font-size:11px;
  padding:7px 18px;border-radius:6px;cursor:pointer;
  letter-spacing:0.08em;transition:all 0.2s;
}
.btn-reset:hover{border-color:var(--red);color:var(--red);}

/* ── TROPHY TOAST ── */
.trophy-toast{
  position:fixed;bottom:24px;right:24px;z-index:999;
  background:linear-gradient(135deg,var(--card),var(--card2));
  border:1px solid var(--yellow);border-radius:14px;
  padding:18px 22px;max-width:260px;
  transform:translateX(120%);
  transition:transform 0.5s cubic-bezier(0.16,1,0.3,1);
  box-shadow:0 8px 40px rgba(255,215,0,0.2);
}
.trophy-toast.show{transform:translateX(0);}
.tt-glow{
  position:absolute;inset:0;border-radius:14px;
  background:radial-gradient(ellipse at center,rgba(255,215,0,0.08),transparent);
  pointer-events:none;
}
.tt-icon{font-size:36px;display:block;margin-bottom:6px;}
.tt-label{
  font-family:var(--font-mono);font-size:8px;font-weight:700;
  color:var(--yellow);letter-spacing:0.2em;margin-bottom:4px;
}
.tt-name{font-family:var(--font-head);font-size:16px;font-weight:800;color:var(--text);}
.tt-desc{font-size:11px;color:var(--dim2);margin-top:3px;}

/* ── SOLVED NOTIF ── */
.solved-notif{
  position:fixed;top:80px;left:50%;transform:translateX(-50%) translateY(-20px);
  background:rgba(0,255,136,0.15);border:1px solid rgba(0,255,136,0.4);
  color:var(--green);font-family:var(--font-mono);font-size:13px;font-weight:700;
  padding:10px 24px;border-radius:8px;z-index:500;
  opacity:0;transition:all 0.3s;pointer-events:none;
  white-space:nowrap;
}
.solved-notif.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ── MODALS ── */
.modal-overlay{
  position:fixed;inset:0;z-index:200;
  background:rgba(0,0,0,0.8);backdrop-filter:blur(6px);
  display:none;align-items:center;justify-content:center;
  padding:20px;
}
.modal-overlay.open{display:flex;}
.modal-box{
  background:var(--card);border:1px solid var(--border2);
  border-radius:16px;max-width:560px;width:100%;
  max-height:80vh;overflow:hidden;
  display:flex;flex-direction:column;
}
.modal-box.wide{max-width:800px;}
.modal-box.small{max-width:420px;}
.modal-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--border);flex-shrink:0;
}
.modal-title{
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  color:var(--cyan);letter-spacing:0.1em;
}
.modal-close{
  background:none;border:none;color:var(--dim);cursor:pointer;
  font-size:16px;transition:color 0.2s;
}
.modal-close:hover{color:var(--red);}
.modal-body{padding:20px;overflow-y:auto;flex:1;}

/* Update log */
.ul-item{
  padding:14px;border-radius:8px;
  border-left:3px solid var(--orange);
  background:rgba(255,107,53,0.04);
  margin-bottom:10px;
}
.ul-header{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.ul-org{
  font-family:var(--font-mono);font-size:10px;font-weight:700;
  color:var(--orange);letter-spacing:0.1em;
}
.ul-vol{font-family:var(--font-mono);font-size:10px;color:var(--dim);}
.ul-date{font-family:var(--font-mono);font-size:10px;color:var(--dim);margin-left:auto;}
.ul-title{font-size:13px;font-weight:700;color:var(--text);margin-bottom:4px;}
.ul-cves{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px;}
.ul-cve{
  font-family:var(--font-mono);font-size:9px;
  padding:2px 6px;border-radius:4px;
  background:rgba(124,58,237,0.15);color:#a78bfa;
  border:1px solid rgba(124,58,237,0.2);
}
.ul-new{
  font-family:var(--font-mono);font-size:9px;font-weight:700;
  color:var(--green);letter-spacing:0.1em;
}

/* Leaderboard */
.lb-row{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:8px;
  border:1px solid var(--border);background:rgba(255,255,255,0.01);
  margin-bottom:6px;transition:all 0.2s;
}
.lb-row:hover{transform:translateX(3px);border-color:var(--border2);}
.lb-row.you{border-color:rgba(0,212,255,0.3);background:rgba(0,212,255,0.04);}
.lb-rank{font-family:var(--font-mono);font-size:16px;width:30px;flex-shrink:0;}
.lb-name{flex:1;font-family:var(--font-head);font-size:14px;font-weight:700;}
.lb-slvd{font-family:var(--font-mono);font-size:11px;color:var(--dim2);}
.lb-sc{font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--yellow);}

/* Certs */
.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;}
.cert-item{
  background:var(--card2);border:1px solid var(--border);
  border-radius:10px;padding:16px;text-align:center;
  transition:all 0.3s;position:relative;overflow:hidden;
}
.cert-item.earned{
  border-color:var(--yellow);
  box-shadow:0 0 20px rgba(255,215,0,0.15);
}
.cert-item.locked{opacity:0.3;filter:grayscale(1);}
.cert-earned-tag{
  position:absolute;top:6px;right:6px;
  font-family:var(--font-mono);font-size:7px;font-weight:700;
  background:var(--green);color:#000;padding:2px 5px;border-radius:3px;
}
.cert-icon{font-size:30px;margin-bottom:8px;}
.cert-name{font-family:var(--font-head);font-size:12px;font-weight:700;color:var(--text);}
.cert-req{font-family:var(--font-mono);font-size:9px;color:var(--dim);margin-top:4px;}

/* Hint modal */
#hintBody{
  font-family:var(--font-mono);font-size:12px;line-height:1.8;
  color:var(--text);
  background:rgba(255,215,0,0.04);border:1px solid rgba(255,215,0,0.15);
  border-radius:8px;padding:16px;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:rgba(0,212,255,0.2);border-radius:3px;}
::-webkit-scrollbar-thumb:hover{background:rgba(0,212,255,0.4);}

/* ── SPARK EFFECT (cybersecurity flavor) ── */
@keyframes spark{
  0%{opacity:1;transform:translate(0,0) scale(1);}
  100%{opacity:0;transform:translate(var(--tx),var(--ty)) scale(0);}
}
.spark{
  position:fixed;pointer-events:none;z-index:999;
  width:4px;height:4px;border-radius:50%;
  background:var(--cyan);
  animation:spark 0.6s ease-out forwards;
}

@media(max-width:600px){
  .hero-title{gap:4px;}
  .hero-line1,.hero-line2{font-size:clamp(36px,12vw,80px);}
  .hero-line3{font-size:clamp(24px,8vw,50px);}
  .navbar{padding:10px 12px;}
  .nav-title{display:none;}
  .hstat{padding:0 16px;}
}

/* ── FILL IN BLANK WITH OPTIONS (fitbo) ── */
.fitbo-area{padding:0 20px 20px;}
.fitbo-context{
  font-size:18px;color:#d0dff0;line-height:1.9;font-weight:500;
  background:rgba(0,212,255,0.04);border:1px solid rgba(0,212,255,0.12);
  border-radius:10px;padding:18px 20px;margin-bottom:4px;
  display:none; /* hide the full context — we show desc above */
}
.fitbo-gap{
  display:inline-block;
  background:rgba(0,212,255,0.12);
  border:2px dashed rgba(0,212,255,0.5);
  border-radius:6px;padding:2px 12px;
  color:var(--cyan);font-weight:700;
  min-width:80px;text-align:center;
  transition:all 0.3s;
}
.fitbo-opts{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:6px;padding:4px 0;
}
.fitbo-opt{
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(0,212,255,0.2);
  color:#ffffff;font-family:'Space Grotesk',sans-serif;
  font-size:15px;font-weight:600;
  padding:12px 20px;border-radius:8px;cursor:pointer;
  transition:all 0.2s;
}
.fitbo-opt:hover:not(:disabled){
  border-color:var(--cyan);background:rgba(0,212,255,0.1);
  transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,212,255,0.15);
}
.fitbo-opt:disabled{cursor:not-allowed;opacity:0.7;}
.fitbo-opt.fitbo-correct{
  border-color:var(--green)!important;
  background:rgba(0,255,136,0.12)!important;
  color:var(--green)!important;font-weight:700;
}
.fitbo-opt.fitbo-wrong{
  border-color:var(--red)!important;
  background:rgba(255,51,102,0.1)!important;
  color:var(--red)!important;
}
.fitbo-solved-ans{
  font-family:'Share Tech Mono',monospace;font-size:13px;
  color:var(--green);padding:12px 0 0;
}

/* ── WRITTEN LAB RUBRIC SELF-SCORING ── */
.wc-rubric{padding:4px 0;}
.wc-rubric-header{margin-bottom:16px;}
.wc-rubric-title{
  font-family:'Share Tech Mono',monospace;font-size:12px;font-weight:700;
  color:#00d4ff;letter-spacing:0.12em;margin-bottom:6px;
}
.wc-rubric-sub{
  font-size:13px;color:#d0dff0;line-height:1.6;
}
.wc-rubric-answer{
  background:rgba(0,0,0,0.3);border:1px solid rgba(0,212,255,0.12);
  border-radius:8px;padding:14px;margin-bottom:16px;max-height:160px;
  overflow-y:auto;
}
.wc-rubric-ans-label{
  font-family:'Share Tech Mono',monospace;font-size:9px;
  color:var(--dim);letter-spacing:0.15em;margin-bottom:6px;
}
.wc-rubric-ans-text{
  font-size:13px;color:#d0dff0;line-height:1.7;white-space:pre-wrap;
}
.wc-rubric-items{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.rubric-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 16px;border-radius:8px;cursor:pointer;
  border:1px solid rgba(0,212,255,0.12);
  background:rgba(255,255,255,0.02);
  transition:all 0.2s;
}
.rubric-item:hover{
  border-color:rgba(0,212,255,0.3);
  background:rgba(0,212,255,0.04);
}
.rubric-check{
  width:20px;height:20px;flex-shrink:0;
  accent-color:var(--green);cursor:pointer;
  margin-top:2px;
}
.rubric-item-body{flex:1;}
.rubric-item-text{
  font-size:14px;color:#d0dff0;line-height:1.6;font-weight:500;
  margin-bottom:4px;
}
.rubric-item-pts{
  font-family:'Share Tech Mono',monospace;font-size:10px;
  color:var(--cyan);letter-spacing:0.08em;
}
.wc-rubric-score-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;
  background:rgba(0,212,255,0.04);
  border:1px solid rgba(0,212,255,0.15);
  border-radius:10px;flex-wrap:wrap;gap:10px;
}
.wc-rubric-tally{
  font-family:'Share Tech Mono',monospace;font-size:14px;color:#d0dff0;
}
.wc-submit-score{
  background:linear-gradient(135deg,rgba(124,58,237,0.3),rgba(124,58,237,0.15));
  border:1px solid rgba(124,58,237,0.5);color:#c4b5fd;
  font-family:'Share Tech Mono',monospace;font-size:12px;font-weight:700;
  padding:10px 22px;border-radius:8px;cursor:pointer;
  transition:all 0.2s;letter-spacing:0.08em;
}
.wc-submit-score:hover:not(:disabled){
  background:rgba(124,58,237,0.4);border-color:var(--purple);
}
.wc-submit-score:disabled{
  opacity:0.4;cursor:not-allowed;
}