:root{
  --ink:#e8eef7;
  --bg0:#05070d;
  --bg1:#0a0f1c;
  --amber:#ffab00;
  --cyan:#33e1ff;
  --line:rgba(255,255,255,.09);
  --panel:rgba(15,20,34,.72);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg0);
  color:var(--ink);
  font-family:'Bricolage Grotesque',sans-serif;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
.app-shell{position:relative;max-width:1280px;margin:0 auto;padding:18px 16px 60px;z-index:1}

/* ambient background */
.bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(255,171,0,.10), transparent 60%),
    radial-gradient(900px 600px at 90% 110%, rgba(51,225,255,.10), transparent 60%),
    linear-gradient(180deg,#05070d,#080b16 40%,#05070d);
}
.bg-fx::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(circle at 50% 30%,#000,transparent 80%);}

/* header */
.app-header{position:relative;text-align:center;padding:14px 0 20px}
.brand{display:flex;align-items:center;justify-content:center;gap:12px}
.brand-dot{color:var(--amber);font-size:1.4rem;filter:drop-shadow(0 0 10px var(--amber));animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}
.app-header h1{font-family:'Orbitron',sans-serif;font-weight:900;letter-spacing:.5em;font-size:clamp(1.8rem,6vw,3.2rem);margin:0;
  background:linear-gradient(90deg,var(--amber),#fff,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.tagline{font-family:'IBM Plex Mono',monospace;color:#8ea3c4;font-size:.8rem;margin:.4rem 0 0;letter-spacing:.04em}
.gear-btn{position:absolute;top:14px;right:4px;background:none;border:1px solid var(--line);color:#9fb2d0;border-radius:10px;width:38px;height:38px;font-size:1.1rem;cursor:pointer}
.gear-btn:hover{color:var(--cyan);border-color:var(--cyan)}

.settings{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:16px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.settings label{font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:#9fb2d0}
.settings select{background:#0d1424;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-family:'IBM Plex Mono',monospace}
.set-note{flex:1;min-width:220px;font-size:.72rem;color:#6f819e;margin:0}

/* grids */
.main-grid{display:grid;grid-template-columns:minmax(280px,1fr) minmax(0,2fr);gap:16px}
.lower-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px;margin-top:16px}
@media(max-width:880px){.main-grid,.lower-grid{grid-template-columns:1fr}}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px;backdrop-filter:blur(6px)}

/* request panel */
.field-label{display:block;font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:#8ea3c4;margin-bottom:8px}
.request-box{width:100%;background:#070b15;color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:12px 14px;
  font-family:'IBM Plex Mono',monospace;font-size:.95rem;line-height:1.5;resize:vertical;min-height:130px;outline:none}
.request-box:focus{border-color:var(--amber);box-shadow:0 0 0 2px rgba(255,171,0,.15)}
.btn-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.btn{border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-family:'IBM Plex Mono',monospace;font-size:.82rem;font-weight:600;cursor:pointer;transition:.15s;background:#0d1424;color:var(--ink)}
.btn:hover:not(:disabled){transform:translateY(-1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--amber),#ff7a00);color:#1a1000;border:none;box-shadow:0 4px 18px rgba(255,140,0,.3)}
.btn-ghost{background:#0d1424;color:#bcd0ee}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-clear{background:#1a0d12;color:#ff8a8a;border-color:rgba(255,80,80,.3)}
.btn-clear:hover{background:#2a0f16}

.err{margin-top:10px;font-family:'IBM Plex Mono',monospace;font-size:.75rem;color:#ffbf7a;background:rgba(255,140,0,.08);border:1px solid rgba(255,140,0,.25);border-radius:8px;padding:8px 10px}

.history{margin-top:16px;border-top:1px solid var(--line);padding-top:12px}
.hist-title{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.15em;text-transform:uppercase;color:#6f819e;margin-bottom:8px}
.hist-list{display:flex;flex-wrap:wrap;gap:6px}
.hist-chip{background:#0d1424;border:1px solid var(--line);color:#bcd0ee;border-radius:20px;padding:5px 11px;font-size:.72rem;cursor:pointer;font-family:'IBM Plex Mono',monospace}
.hist-chip:hover{border-color:var(--cyan);color:var(--cyan)}

/* stage */
.stage-panel{display:flex;flex-direction:column;justify-content:center;min-height:340px}
.empty-stage{text-align:center;color:#6f819e;padding:40px 10px}
.empty-big{font-size:3rem;color:var(--amber);filter:drop-shadow(0 0 16px var(--amber));animation:pulse 2.4s infinite}
.empty-txt{margin-top:10px;font-size:1rem;color:#bcd0ee}
.empty-sub{margin-top:4px;font-size:.8rem}

.boot{text-align:center;padding:50px 10px;font-family:'VT323',monospace;color:var(--amber)}
.boot-line{font-size:1.6rem;letter-spacing:.2em;text-shadow:0 0 12px var(--amber)}
.boot-line.small{font-size:1.1rem;opacity:.8;margin-top:8px}
.boot-bar{width:min(320px,80%);height:14px;margin:16px auto;border:1px solid var(--amber);border-radius:2px;overflow:hidden}
.boot-fill{height:100%;background:var(--amber);animation:bootgrow 1.6s ease-in-out infinite}
@keyframes bootgrow{0%{width:5%}50%{width:90%}100%{width:5%}}

/* board frame */
.board-frame{position:relative;width:100%;border-radius:12px;overflow:hidden;
  background:#000;border:8px solid #14161d;box-shadow:0 12px 40px rgba(0,0,0,.6),inset 0 0 0 2px rgba(255,255,255,.04)}
.ar-wide{aspect-ratio:16/6}
.ar-square{aspect-ratio:4/3;max-width:520px;margin:0 auto}
.ar-tall{aspect-ratio:3/4;max-width:420px;margin:0 auto}

/* display board */
.ob-board{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:18px 20px;overflow:hidden;text-transform:uppercase}
.ob-page{width:100%;text-align:center}
.ob-center{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:.35em;height:100%}
.ob-label{font-size:clamp(.7rem,2.4vw,1.15rem);margin-bottom:.4em}
.ob-staticline,.ob-flipline{font-weight:700;line-height:1.08}
.ob-flipline{font-size:clamp(1.6rem,6vw,4rem);white-space:nowrap;overflow:hidden;text-overflow:clip}

/* scrolling */
.ob-scrollwrap{width:100%;overflow:hidden;white-space:nowrap}
.ob-scrolltext{display:inline-block;font-size:clamp(1.5rem,5.5vw,3.6rem);font-weight:700;white-space:nowrap;animation:scrollh 14s linear infinite}
@keyframes scrollh{0%{transform:translateX(60%)}100%{transform:translateX(-100%)}}

.ob-vlist{display:flex;flex-direction:column;gap:.15em;align-items:center}
.ob-vline{font-size:clamp(1.1rem,4vw,2.2rem);font-weight:700;opacity:0;animation:vin .6s ease forwards}
@keyframes vin{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

.ob-fade{animation:fadein .8s ease}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.ob-flash{animation:flash 1s steps(2,jump-none) infinite}
@keyframes flash{50%{opacity:.25}}

/* dot-matrix texture */
.ob-dots::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle,rgba(0,0,0,.5) 40%,transparent 41%);background-size:5px 5px;mix-blend-mode:multiply;opacity:.55}
/* scanlines */
.ob-scanlines::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.35) 0 1px,transparent 1px 3px);opacity:.5}
.ob-tech-crt{filter:saturate(1.1)}
.ob-tech-crt .ob-board,.ob-tech-crt{border-radius:16px}

/* holographic */
.ob-holo .ob-staticline,.ob-holo .ob-flipline,.ob-holo .ob-scrolltext{
  background:linear-gradient(90deg,currentColor,#fff,currentColor);-webkit-background-clip:text;background-clip:text}
.ob-holo-glow{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 50% 45%,rgba(51,225,255,.14),transparent 65%);animation:holopulse 4s ease-in-out infinite}
@keyframes holopulse{0%,100%{opacity:.5}50%{opacity:1}}

/* roller */
.ob-roller{background:#101010!important}
.ob-roller .ob-flipline,.ob-roller .ob-staticline{animation:roll .7s cubic-bezier(.3,.9,.3,1)}
@keyframes roll{from{transform:translateY(-40%);opacity:0}to{transform:translateY(0);opacity:1}}

/* clock */
.ob-clock{display:flex;flex-direction:column;align-items:center;gap:.2em}
.ob-clock-time{font-size:clamp(2.4rem,10vw,6rem);font-weight:700;line-height:1}
.ob-clock-date{font-size:clamp(.8rem,3vw,1.4rem);letter-spacing:.1em}

/* status bar */
.ob-statusbar{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;align-items:center;padding:5px 12px;font-family:'IBM Plex Mono',monospace;font-size:.72rem;background:linear-gradient(0deg,rgba(0,0,0,.45),transparent)}
.ob-icons{display:flex;gap:10px}
.ob-icon{font-size:1rem;filter:drop-shadow(0 0 4px currentColor)}
.ob-pageno{opacity:.7;letter-spacing:.1em}

/* playback */
.playback{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;justify-content:center}
.pb-btn{background:#0d1424;border:1px solid var(--line);color:#bcd0ee;border-radius:10px;padding:8px 14px;font-family:'IBM Plex Mono',monospace;font-size:.8rem;cursor:pointer}
.pb-btn:hover{border-color:var(--amber);color:var(--amber)}
.speed{display:flex;align-items:center;gap:8px;font-family:'IBM Plex Mono',monospace;font-size:.76rem;color:#9fb2d0}
.speed input{accent-color:var(--amber)}
.speed-val{color:var(--amber);width:34px}

/* spec panel */
.spec-panel h3{font-family:'Orbitron',sans-serif;margin:0 0 12px;font-size:1.1rem;color:#fff}
.spec-panel h4{font-family:'IBM Plex Mono',monospace;font-size:.75rem;letter-spacing:.15em;text-transform:uppercase;color:#8ea3c4;margin:18px 0 8px;border-top:1px solid var(--line);padding-top:14px}
.spec-meta{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px}
.spec-row{display:flex;gap:8px;font-family:'IBM Plex Mono',monospace;font-size:.78rem}
.spec-k{color:#6f819e;min-width:78px}
.spec-v{color:#dbe6f7}
.spec-notes{font-size:.85rem;color:#aebfdb;line-height:1.5;margin:12px 0 0;font-style:italic}
.spec-colors{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.spec-swatch{display:flex;align-items:center;gap:6px;font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:#9fb2d0}
.spec-swatch .sw{width:16px;height:16px;border-radius:4px;border:1px solid rgba(255,255,255,.2)}
.spec-pages{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:10px}
.spec-pages li{font-size:.8rem;color:#cdd9ef}
.pg-type{display:inline-block;background:rgba(255,171,0,.15);color:var(--amber);font-family:'IBM Plex Mono',monospace;font-size:.68rem;padding:1px 7px;border-radius:5px;text-transform:uppercase;letter-spacing:.05em}
.pg-scroll{margin-left:8px;font-family:'IBM Plex Mono',monospace;font-size:.68rem;color:#6f819e}
.pg-label{color:#8ea3c4;font-size:.72rem;margin-top:3px}
.pg-lines{color:#dbe6f7;margin-top:2px;font-family:'IBM Plex Mono',monospace;font-size:.76rem}
.pg-icons{color:#6f819e;font-size:.68rem;margin-top:2px}
.shot-box{background:#070b15;border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:10px;position:relative}
.shot-label{font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:#8ea3c4;margin-bottom:6px}
.shot-box code{display:block;font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:#bcd0ee;line-height:1.5;word-break:break-word;padding-right:52px}
.mini-btn{position:absolute;top:8px;right:8px;background:#0d1424;border:1px solid var(--line);color:#bcd0ee;border-radius:6px;padding:4px 8px;font-size:.66rem;cursor:pointer;font-family:'IBM Plex Mono',monospace}
.mini-btn:hover{border-color:var(--cyan);color:var(--cyan)}

/* interior */
.interior-panel h3{font-family:'Orbitron',sans-serif;margin:0 0 8px;font-size:1.1rem;color:#fff}
.int-note{font-size:.8rem;color:#9fb2d0;margin:0 0 12px}
.int-img{width:100%;border-radius:12px;margin-top:14px;border:1px solid var(--line)}
.int-loading{margin-top:10px;font-family:'IBM Plex Mono',monospace;font-size:.76rem;color:var(--amber)}

/* footer */
.app-footer{margin-top:32px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-family:'IBM Plex Mono',monospace;font-size:.74rem;color:#6f819e}
.app-footer a{color:var(--amber);text-decoration:none}
.app-footer a:hover{text-decoration:underline}