/* ══════════════════════════════════════════════
   IT-Master Linux Terminal Simulator — style.css
   ══════════════════════════════════════════════ */
@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&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg:#06070e; --surface:#0c0d18; --card:#111224; --elevated:#1a1c3a;
    --green:#00ff41; --green-dim:#00cc33; --blue:#00d4ff; --cyan:#22d3ee;
    --red:#ef4444; --red-bright:#f87171; --yellow:#fbbf24; --purple:#a78bfa;
    --pink:#f472b6; --amber:#f59e0b; --teal:#14b8a6;
    --text:#e8eaed; --dim:#7a7c98; --muted:#4a4c68;
    --border:rgba(255,255,255,0.06); --border-h:rgba(255,255,255,0.12);
    --folder:#50fa7b; --file:#f8f8f2; --exec:#00ff41; --link:#ff79c6;
    --grad-red:linear-gradient(135deg,#ef4444,#f97316);
    --grad-cyan:linear-gradient(135deg,#06b6d4,#3b82f6);
    --grad-purple:linear-gradient(135deg,#8b5cf6,#ec4899);
    --glow-red:0 4px 20px rgba(239,68,68,0.25);
    --glow-green:0 4px 20px rgba(0,255,65,0.15);
    --glow-cyan:0 4px 20px rgba(0,212,255,0.15);
    --r:12px;
}
*{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;}
a{text-decoration:none;color:inherit;}

/* ═══ TOPBAR ═══ */
.topbar{position:sticky;top:0;z-index:100;background:rgba(6,7,14,0.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);height:56px;}
.topbar__inner{max-width:100%;height:100%;padding:0 20px;display:flex;align-items:center;gap:14px;}
.topbar__logo{font-family:'Plus Jakarta Sans',sans-serif;font-size:17px;font-weight:800;display:flex;align-items:center;gap:4px;white-space:nowrap;}
.topbar__red{background:var(--grad-red);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.topbar__sep{width:1px;height:20px;background:rgba(255,255,255,0.08);}
.topbar__title{font-family:'Fira Code',monospace;font-size:13px;color:var(--green);white-space:nowrap;}
.topbar__level{margin-left:auto;font-size:11px;font-weight:700;padding:4px 12px;border-radius:20px;background:rgba(0,255,65,0.08);border:1px solid rgba(0,255,65,0.15);color:var(--green);letter-spacing:0.5px;white-space:nowrap;}
.topbar__nav{display:flex;gap:4px;margin-left:12px;}
.topbar__nav a{padding:7px 14px;font-size:12px;font-weight:600;color:var(--dim);border-radius:7px;transition:all 0.2s;}
.topbar__nav a:hover{color:var(--cyan);background:rgba(0,212,255,0.06);}

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

/* ═══ LEFT PANEL ═══ */
.panel{width:300px;flex-shrink:0;overflow-y:auto;background:var(--surface);border-right:1px solid var(--border);padding:16px;display:flex;flex-direction:column;gap:12px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,0.08) transparent;}
.panel__section{display:flex;flex-direction:column;gap:8px;}
.panel__section--grow{flex:1;min-height:0;overflow-y:auto;}
.panel__label{font-size:10px;font-weight:700;color:var(--muted);letter-spacing:2px;text-transform:uppercase;}
.panel__search{width:100%;padding:8px 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;}
.panel__search:focus{border-color:var(--cyan);}
.panel__search::placeholder{color:var(--muted);}
.panel__cmds{display:flex;flex-direction:column;gap:2px;overflow-y:auto;}

/* Level List */
.level-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;cursor:pointer;transition:all 0.2s;border:1px solid transparent;}
.level-item:hover{background:rgba(255,255,255,0.03);border-color:var(--border);}
.level-item--active{background:rgba(0,255,65,0.06);border-color:rgba(0,255,65,0.15);}
.level-item--done{opacity:0.6;}
.level-item__num{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Fira Code',monospace;font-size:11px;font-weight:700;border:2px solid var(--muted);color:var(--muted);flex-shrink:0;}
.level-item--active .level-item__num{border-color:var(--green);color:var(--green);box-shadow:var(--glow-green);}
.level-item--done .level-item__num{border-color:var(--teal);color:var(--teal);background:rgba(20,184,166,0.1);}
.level-item__info{flex:1;min-width:0;}
.level-item__name{font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.level-item--active .level-item__name{color:var(--green);}
.level-item__sub{font-size:10px;color:var(--muted);margin-top:1px;}

/* Mission Card */
.mission-card{padding:14px;border-radius:10px;background:rgba(139,92,246,0.06);border:1px solid rgba(139,92,246,0.12);}
.mission-card__title{font-size:13px;font-weight:700;color:var(--purple);margin-bottom:4px;}
.mission-card__desc{font-size:12px;color:var(--dim);line-height:1.5;margin-bottom:8px;}
.mission-card__status{font-size:11px;font-weight:600;color:var(--muted);}
.mission-card__status.completed{color:var(--green);}

/* Command Items */
.cmd-group{margin-bottom:6px;}
.cmd-group__label{font-size:9px;font-weight:700;color:var(--muted);letter-spacing:1.5px;text-transform:uppercase;padding:4px 6px;}
.cmd-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:6px;cursor:pointer;transition:all 0.15s;}
.cmd-item:hover{background:rgba(0,212,255,0.06);}
.cmd-item__name{font-family:'Fira Code',monospace;font-size:12px;font-weight:600;color:var(--green);min-width:50px;}
.cmd-item__desc{font-size:11px;color:var(--muted);}

/* Panel CTA */
.panel__cta{flex-shrink:0;padding:16px;border-radius:10px;background:linear-gradient(145deg,rgba(239,68,68,0.08),rgba(249,115,22,0.04));border:1px solid rgba(239,68,68,0.12);margin-top:auto;}
.panel__cta-badge{font-size:9px;font-weight:700;color:var(--red-bright);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:6px;}
.panel__cta-title{font-size:14px;font-weight:800;margin-bottom:6px;}
.panel__cta-desc{font-size:11px;color:var(--dim);line-height:1.5;margin-bottom:12px;}
.panel__cta-btn{display:block;text-align:center;padding:10px;border-radius:8px;background:var(--grad-red);color:#fff;font-size:12px;font-weight:700;transition:all 0.25s;box-shadow:var(--glow-red);}
.panel__cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(239,68,68,0.3);}

/* ═══ TERMINAL AREA ═══ */
.terminal-area{flex:1;display:flex;flex-direction:column;padding:16px;gap:12px;min-width:0;}

/* Hint Bar */
.hint{display:flex;gap:10px;align-items:center;padding:10px 14px;border-radius:10px;background:rgba(0,212,255,0.04);border:1px solid rgba(0,212,255,0.1);flex-shrink:0;flex-wrap:wrap;}
.hint__icon{font-size:18px;}
.hint__text{flex:1;font-size:13px;color:var(--dim);min-width:200px;line-height:1.5;}
.hint__text b{color:var(--green);font-family:'Fira Code',monospace;}
.hint__btn{font-family:'Fira Code',monospace;font-size:11px;padding:5px 12px;border-radius:6px;background:rgba(0,255,65,0.08);border:1px solid rgba(0,255,65,0.15);color:var(--green);cursor:pointer;transition:all 0.2s;white-space:nowrap;}
.hint__btn:hover{background:rgba(0,255,65,0.15);}

/* Terminal */
.terminal{flex:1;display:flex;flex-direction:column;background:#0a0a0a;border-radius:var(--r);border:1px solid var(--border);overflow:hidden;min-height:400px;box-shadow:0 8px 40px rgba(0,0,0,0.5),inset 0 1px 0 rgba(255,255,255,0.02);}
.terminal__bar{display:flex;align-items:center;gap:10px;padding:10px 16px;background:#141428;border-bottom:1px solid rgba(255,255,255,0.04);user-select:none;flex-shrink:0;}
.terminal__dots{display:flex;gap:7px;}
.terminal__dots i{width:12px;height:12px;border-radius:50%;display:block;}
.terminal__dots i:nth-child(1){background:#ff5f57;}
.terminal__dots i:nth-child(2){background:#febc2e;}
.terminal__dots i:nth-child(3){background:#28c840;}
.terminal__bar-title{flex:1;text-align:center;font-family:'Fira Code',monospace;font-size:12px;color:var(--muted);}
.terminal__bar-tag{font-family:'Fira Code',monospace;font-size:10px;padding:3px 10px;border-radius:4px;background:rgba(0,255,65,0.06);color:var(--green);border:1px solid rgba(0,255,65,0.1);}

/* Terminal body — scrollable area containing ALL output + input */
.terminal__body{
  flex:1;overflow-y:auto;padding:14px 18px;
  font-family:'Fira Code',monospace;font-size:14px;line-height:1.7;
  scrollbar-width:thin;scrollbar-color:rgba(255,255,255,0.08) transparent;
  cursor:text;
}
/* Click anywhere in body to focus input */
.terminal__body:focus-within { outline:none; }

.terminal__line{white-space:pre-wrap;word-break:break-all;margin-bottom:2px;}
.terminal__line--prompt{color:var(--green);}
.terminal__line--output{color:var(--text);}
.terminal__line--error{color:var(--red-bright);}
.terminal__line--info{color:var(--cyan);}
.terminal__line--system{color:var(--purple);}
.terminal__line--dim{color:var(--muted);}
.terminal__line--success{color:var(--green);font-weight:600;}
.terminal__line--mission{color:var(--yellow);font-weight:600;}
.terminal__line .folder{color:var(--folder);font-weight:600;}
.terminal__line .file{color:var(--file);}
.terminal__line .exec{color:var(--exec);font-weight:600;}
.terminal__line .perm{color:var(--cyan);}
.terminal__line .size{color:var(--yellow);}
.terminal__line .highlight{color:var(--red-bright);font-weight:700;}

/* Input line — sits INSIDE terminal body, flows with content */
.terminal__input-line{
  display:flex;align-items:center;margin-top:2px;
}
.terminal__prompt{
  font-family:'Fira Code',monospace;font-size:14px;
  color:var(--green);white-space:nowrap;margin-right:8px;flex-shrink:0;
}
.terminal__input{
  flex:1;background:none;border:none;outline:none;
  font-family:'Fira Code',monospace;font-size:14px;
  color:var(--text);caret-color:var(--green);
  padding:0;margin:0;line-height:1.7;
}

/* Bottom CTA */
.bottom-cta{flex-shrink:0;border-radius:10px;overflow:hidden;background:linear-gradient(135deg,rgba(239,68,68,0.06),rgba(249,115,22,0.03));border:1px solid rgba(239,68,68,0.1);}
.bottom-cta__inner{display:flex;align-items:center;gap:16px;padding:14px 18px;flex-wrap:wrap;}
.bottom-cta__text{flex:1;min-width:240px;}
.bottom-cta__text strong{display:block;font-size:14px;margin-bottom:2px;}
.bottom-cta__text span{font-size:12px;color:var(--dim);}
.bottom-cta__btn{padding:10px 20px;border-radius:8px;background:var(--grad-red);color:#fff;font-size:12px;font-weight:700;white-space:nowrap;transition:all 0.25s;box-shadow:var(--glow-red);}
.bottom-cta__btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(239,68,68,0.3);}

/* ═══ FOOTER ═══ */
.footer{background:var(--bg);text-align:center;padding:32px 20px;border-top:1px solid var(--border);}
.footer__inner{max-width:600px;margin:0 auto;}
.footer__brand{font-size:18px;font-weight:800;margin-bottom:14px;}
.footer__links{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:14px;}
.footer__links a{font-size:12px;color:var(--dim);transition:color 0.2s;}
.footer__links a:hover{color:var(--cyan);}
.footer__regions{margin-bottom:12px;font-size:12px;color:var(--muted);}
.footer__regions a{color:var(--muted);transition:color 0.2s;}
.footer__regions a:hover{color:#fff;}
.footer__regions span{margin:0 8px;color:rgba(255,255,255,0.1);}
.footer__contact{font-size:12px;color:var(--muted);margin-bottom:10px;}
.footer__copy{font-size:10px;color:rgba(255,255,255,0.2);}

/* ═══ RESPONSIVE ═══ */
@media(max-width:900px){.panel{display:none;}}
@media(max-width:600px){
  .terminal__body{font-size:12px;padding:10px 12px;}
  .terminal__input,.terminal__prompt{font-size:12px;}
  .topbar__nav{display:none;}
  .topbar__title{display:none;}
  .terminal-area{padding:10px;}
}

/* Scanline */
.terminal__body::after{content:'';position:fixed;inset:0;background:repeating-linear-gradient(transparent,transparent 2px,rgba(0,0,0,0.02) 2px,rgba(0,0,0,0.02) 4px);pointer-events:none;z-index:1;}