/* ══════════════════════════════════════════════
   IT-Master Log Analysis Simulator — style.css
   Dark SOC analyst cybersecurity theme
   ══════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root{
  --bg:#05060a;--surface:#0a0b14;--card:#0e1020;--elevated:#151830;
  --green:#22c55e;--green-b:#4ade80;--green-bg:rgba(34,197,94,0.06);
  --red:#ef4444;--red-b:#f87171;--red-bg:rgba(239,68,68,0.06);
  --cyan:#22d3ee;--blue:#3b82f6;--amber:#fbbf24;--purple:#a78bfa;
  --text:#d4d4d8;--dim:#6b6b80;--muted:#3e3e52;
  --border:rgba(255,255,255,0.05);--border-h:rgba(255,255,255,0.1);
  --grad-red:linear-gradient(135deg,#ef4444,#dc2626);
  --grad-cyan:linear-gradient(135deg,#06b6d4,#3b82f6);
  --r:10px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-font-smoothing:antialiased;}
body{font-family:'Plus Jakarta Sans',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column;font-size:14px;line-height:1.6;}
a{text-decoration:none;color:inherit;}
::selection{background:var(--blue);color:#fff;}

/* ═══ TOPBAR ═══ */
.topbar{position:sticky;top:0;z-index:100;background:rgba(5,6,10,0.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);height:52px;}
.topbar::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--green),var(--cyan),var(--blue));}
.topbar__inner{height:100%;padding:0 16px;display:flex;align-items:center;gap:12px;}
.topbar__logo{font-size:16px;font-weight:800;white-space:nowrap;}
.topbar__accent{background:linear-gradient(135deg,#ef4444,#f97316);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.topbar__sep{width:1px;height:18px;background:rgba(255,255,255,0.06);}
.topbar__title{font-size:12px;color:var(--cyan);font-weight:700;white-space:nowrap;}
.topbar__score{margin-left:auto;display:flex;gap:8px;}
.topbar__level{font-size:10px;font-weight:700;padding:4px 12px;border-radius:16px;background:var(--green-bg);border:1px solid rgba(34,197,94,0.15);color:var(--green);white-space:nowrap;}
.topbar__pts{font-size:10px;font-weight:700;padding:4px 12px;border-radius:16px;background:rgba(59,130,246,0.08);border:1px solid rgba(59,130,246,0.15);color:var(--blue);white-space:nowrap;font-family:'Fira Code',monospace;}
.topbar__nav{display:flex;gap:2px;margin-left:10px;}
.topbar__nav a{padding:6px 12px;font-size:11px;font-weight:600;color:var(--dim);border-radius:6px;transition:all 0.2s;}
.topbar__nav a:hover{color:var(--cyan);background:rgba(34,211,238,0.06);}

/* ═══ APP LAYOUT ═══ */
.app{display:flex;flex:1;min-height:0;}

/* ═══ SIDEBAR ═══ */
.sidebar{width:320px;flex-shrink:0;overflow-y:auto;background:var(--surface);border-right:1px solid var(--border);padding:14px;display:flex;flex-direction:column;gap:12px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,0.06) transparent;}
.sidebar__section{display:flex;flex-direction:column;gap:6px;}
.sidebar__label{font-size:9px;font-weight:700;color:var(--muted);letter-spacing:2px;text-transform:uppercase;display:flex;justify-content:space-between;align-items:center;}

/* Log Tabs */
.log-tabs{display:flex;flex-direction:column;gap:3px;}
.log-tab{display:block;width:100%;text-align:left;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:none;color:var(--dim);font-size:12px;font-weight:600;cursor:pointer;transition:all 0.2s;font-family:inherit;}
.log-tab:hover{border-color:var(--border-h);color:var(--text);}
.log-tab--active{background:rgba(34,211,238,0.06);border-color:rgba(34,211,238,0.15);color:var(--cyan);}

/* Mission Card */
.mission-card{padding:14px;border-radius:8px;background:var(--card);border:1px solid var(--border);}
.mission-card__title{font-size:14px;font-weight:800;color:var(--amber);margin-bottom:6px;}
.mission-card__desc{font-size:12px;color:var(--dim);line-height:1.6;margin-bottom:6px;}
.mission-card__log{font-family:'Fira Code',monospace;font-size:10px;color:var(--cyan);padding:4px 8px;background:rgba(34,211,238,0.04);border-radius:4px;border:1px solid rgba(34,211,238,0.08);}

/* Answer Box */
.answer-box{display:flex;gap:6px;}
.answer-box__input{flex:1;padding:10px 12px;border-radius:8px;background:rgba(255,255,255,0.03);border:1px solid var(--border);color:var(--text);font-family:'Fira Code',monospace;font-size:12px;outline:none;transition:border-color 0.2s;}
.answer-box__input:focus{border-color:var(--cyan);}
.answer-box__input::placeholder{color:var(--muted);}
.answer-box__btn{padding:10px 18px;border-radius:8px;background:var(--grad-cyan);color:#fff;font-size:12px;font-weight:700;border:none;cursor:pointer;transition:all 0.2s;font-family:inherit;}
.answer-box__btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(6,182,212,0.2);}
.hint-btn{width:100%;padding:8px;border-radius:6px;background:rgba(251,191,36,0.06);border:1px solid rgba(251,191,36,0.1);color:var(--amber);font-size:11px;font-weight:600;cursor:pointer;transition:all 0.2s;font-family:inherit;margin-top:4px;}
.hint-btn:hover{background:rgba(251,191,36,0.1);}

/* Feedback */
.feedback{padding:12px;border-radius:8px;background:var(--card);border:1px solid var(--border);min-height:60px;transition:all 0.3s;}
.feedback--correct{background:rgba(34,197,94,0.06);border-color:rgba(34,197,94,0.15);}
.feedback--wrong{background:var(--red-bg);border-color:rgba(239,68,68,0.15);}
.feedback__text{font-size:12px;line-height:1.6;color:var(--dim);}
.feedback__explain{font-size:11px;color:var(--dim);line-height:1.6;margin-top:8px;padding-top:8px;border-top:1px solid var(--border);}
.feedback .next-btn{display:inline-block;margin-top:8px;padding:6px 16px;border-radius:6px;background:var(--grad-cyan);color:#fff;font-size:11px;font-weight:700;border:none;cursor:pointer;font-family:inherit;}

/* Progress */
.progress-bar{height:8px;border-radius:4px;background:rgba(255,255,255,0.04);overflow:hidden;}
.progress-bar__fill{height:100%;border-radius:4px;background:var(--grad-cyan);transition:width 0.5s ease;width:0%;}
.progress-text{font-size:10px;color:var(--muted);margin-top:4px;text-align:center;font-family:'Fira Code',monospace;}

/* CTA */
.sidebar__cta{flex-shrink:0;padding:14px;border-radius:8px;background:var(--red-bg);border:1px solid rgba(239,68,68,0.1);margin-top:auto;}
.sidebar__cta-badge{font-size:8px;font-weight:700;color:var(--red-b);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:4px;}
.sidebar__cta-title{font-size:13px;font-weight:800;margin-bottom:4px;}
.sidebar__cta p{font-size:10px;color:var(--dim);line-height:1.5;margin-bottom:10px;}
.sidebar__cta-btn{display:block;text-align:center;padding:9px;border-radius:7px;background:var(--grad-red);color:#fff;font-size:11px;font-weight:700;transition:all 0.25s;}
.sidebar__cta-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(239,68,68,0.2);}

/* ═══ MAIN: LOG VIEWER ═══ */
.main{flex:1;display:flex;flex-direction:column;min-width:0;}

/* Log Toolbar */
.log-toolbar{display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;flex-wrap:wrap;}
.log-toolbar__file{font-family:'Fira Code',monospace;font-size:12px;font-weight:700;color:var(--cyan);white-space:nowrap;}
.log-toolbar__search{flex:1;min-width:150px;}
.log-toolbar__input{width:100%;padding:7px 12px;border-radius:6px;background:rgba(255,255,255,0.03);border:1px solid var(--border);color:var(--text);font-family:'Fira Code',monospace;font-size:11px;outline:none;}
.log-toolbar__input:focus{border-color:var(--cyan);}
.log-toolbar__input::placeholder{color:var(--muted);}
.log-toolbar__toggle{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--dim);cursor:pointer;white-space:nowrap;}
.log-toolbar__toggle input{accent-color:var(--green);}
.log-toolbar__count{font-family:'Fira Code',monospace;font-size:10px;color:var(--muted);white-space:nowrap;}

/* Log Viewer */
.log-viewer{flex:1;overflow-y:auto;padding:0;font-family:'Fira Code',monospace;font-size:12px;line-height:1.55;background:#08090e;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,0.06) transparent;}

.log-line{padding:3px 16px;border-bottom:1px solid rgba(255,255,255,0.015);color:var(--dim);transition:background 0.15s;display:flex;gap:8px;white-space:nowrap;}
.log-line:hover{background:rgba(255,255,255,0.02);}
.log-line__num{color:var(--muted);min-width:32px;text-align:right;user-select:none;flex-shrink:0;}
.log-line__text{white-space:pre-wrap;word-break:break-all;flex:1;}

/* Suspicious highlight */
.log-line--suspicious{background:rgba(239,68,68,0.04);}
.log-line--suspicious .log-line__text{color:var(--red-b);}
.log-line--highlight{background:rgba(239,68,68,0.08);border-left:3px solid var(--red);}
.log-line--search{background:rgba(251,191,36,0.08);}

/* Bottom CTA */
.bottom-cta{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--surface);border-top:1px solid var(--border);flex-shrink:0;flex-wrap:wrap;}
.bottom-cta strong{font-size:13px;}
.bottom-cta span{font-size:11px;color:var(--dim);flex:1;min-width:200px;}
.bottom-cta__btn{padding:8px 16px;border-radius:7px;background:var(--grad-red);color:#fff;font-size:11px;font-weight:700;white-space:nowrap;transition:all 0.2s;}
.bottom-cta__btn:hover{transform:translateY(-1px);}

/* ═══ FOOTER ═══ */
.footer{background:var(--bg);text-align:center;padding:24px 16px;border-top:1px solid var(--border);}
.footer__inner{max-width:600px;margin:0 auto;}
.footer__brand{font-size:16px;font-weight:800;margin-bottom:10px;}
.footer__links{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:10px;}
.footer__links a{font-size:11px;color:var(--dim);transition:color 0.2s;}
.footer__links a:hover{color:var(--cyan);}
.footer__regions{margin-bottom:8px;font-size:11px;color:var(--muted);}
.footer__regions a{color:var(--muted);transition:color 0.2s;}
.footer__regions a:hover{color:#fff;}
.footer__regions span{margin:0 6px;color:rgba(255,255,255,0.08);}
.footer__contact{font-size:11px;color:var(--muted);margin-bottom:6px;}
.footer__copy{font-size:9px;color:rgba(255,255,255,0.15);}

/* ═══ RESPONSIVE ═══ */
@media(max-width:900px){.sidebar{width:260px;}}
@media(max-width:700px){
  .app{flex-direction:column;}
  .sidebar{width:100%;max-height:50vh;border-right:none;border-bottom:1px solid var(--border);}
  .topbar__nav{display:none;}
  .topbar__title{display:none;}
}