:root{
  --bg:#020403;
  --panel:#040907cc;
  --line:#1c6548;
  --line-2:#2c8e69;
  --text:#d9fff1;
  --mint:#6ef3b8;
  --mint-soft:#9ff6d3;
  --mint-dim:#58ca9a;
  --warn:#d5ff9e;
  --shadow:0 0 16px rgba(110,243,184,.08);
  --font-ui:"Arial Narrow","Helvetica Neue",Helvetica,Arial,sans-serif;
  --font-display:"Lucida Console","Courier New",monospace;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--mint);
  font-family:var(--font-ui);
  overflow:hidden;
}

.app-shell{
  position:relative;
  min-height:100vh;
  padding:14px;
  display:grid;
  grid-template-columns:300px minmax(0,1fr) 400px;
  gap:14px;
  background:
    radial-gradient(circle at center, transparent 48%, rgba(0,0,0,.48) 100%),
    linear-gradient(180deg,#07120f 0%, #020403 100%);
}
.app-shell.app-locked{filter:blur(1px) saturate(.85)}
.panel{
  position:relative;
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow);
  min-height:0;
  overflow:hidden;
}
.panel-left,.panel-right{
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.brand .code{
  font-family:var(--font-display);
  letter-spacing:.35em;
  font-size:11px;
  color:var(--mint-soft);
}
.brand h1{
  margin:.4rem 0 0;
  font-family:var(--font-display);
  font-size:2.25rem;
  letter-spacing:.12em;
  color:var(--text);
  text-shadow:0 0 10px rgba(110,243,184,.18);
}
.brand .sub{
  margin-top:.2rem;
  font-family:var(--font-display);
  font-size:1.05rem;
  letter-spacing:.28em;
  color:var(--mint-soft);
}
.intro{margin:.8rem 0 0;color:var(--mint-soft);font-size:12px;line-height:1.65}
.status-box,.note-box,.notice-box,.diag-box,.signal-box{border:1px solid #235a43;padding:12px;background:rgba(0,0,0,.18)}
.row{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.row strong{color:var(--text);font-family:var(--font-display)}
.row-spaced{margin-top:10px}
.status-jp,.small-note,.note-box,.notice-box,.diag-box,.signal-box,.output-placeholder{font-size:12px;line-height:1.65}
.status-jp{margin-top:4px;color:var(--mint-soft)}
.small-note{margin-top:10px;color:var(--warn)}
.progress-track{margin-top:12px;height:8px;border:1px solid #245b44;background:rgba(0,0,0,.4)}
.progress-fill{width:0%;height:100%;background:var(--mint);transition:width .12s linear}
.controls{display:flex;flex-direction:column;gap:10px}
.button-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.button{display:flex;align-items:center;justify-content:center;min-height:46px;padding:0 12px;border:1px solid #2b7656;background:transparent;color:var(--mint-soft);text-align:center;font-size:13px;letter-spacing:.17em;text-transform:uppercase;font-family:var(--font-ui);cursor:pointer;transition:background .18s ease, opacity .18s ease, border-color .18s ease}
.button:hover{background:#0a251b}
.button:disabled{opacity:.35;cursor:not-allowed}
.button-wide{grid-column:1/-1}
.mode-button.active{border-color:#7ff7c4;background:#0c2d22}
.subtle-button{min-height:40px;font-size:12px}
.section-label{color:var(--mint-soft);text-transform:uppercase;font-size:11px;letter-spacing:.26em;margin-bottom:8px;font-family:var(--font-display)}
.note-box div + div, .notice-box div + div{margin-top:4px}
#error-box{border:1px solid #5d8e49;background:#0a160c;color:var(--warn);padding:12px;font-size:12px;line-height:1.65}
.hidden{display:none!important}
.panel-center{min-height:calc(100vh - 28px)}
.preview-surface{position:absolute;inset:0}
.preview-empty{position:absolute;inset:0;background:linear-gradient(180deg,#07120f 0%, #020403 100%)}
#preview-image,#preview-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62;filter:grayscale(1) contrast(1.22) saturate(0)}
.hud-label{position:absolute;z-index:3;font-family:var(--font-display);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--mint-soft)}
.top-left{top:14px;left:14px}
.top-right{top:14px;right:14px;text-align:right}
.bottom-left{bottom:14px;left:14px}
.bottom-right{bottom:14px;right:14px}
.camera-tip{position:absolute;z-index:3;top:44px;left:14px;max-width:250px;border:1px solid #235a43;background:rgba(0,0,0,.35);padding:10px 12px;font-size:11px;line-height:1.6;text-transform:uppercase;letter-spacing:.14em;color:var(--mint-soft)}
.hud-reticle{position:absolute;z-index:2;border:1px solid rgba(103,240,183,.55)}
.reticle-a{left:12%;top:18%;width:25%;height:24%}
.reticle-b{right:10%;top:30%;width:18%;height:16%;opacity:.8}
.hud-crosshair{position:absolute;z-index:2;left:50%;top:50%;width:34px;height:34px;transform:translate(-50%,-50%);border:1px solid rgba(103,240,183,.64)}
.hud-crosshair::before,.hud-crosshair::after{content:"";position:absolute;background:rgba(103,240,183,.64)}
.hud-crosshair::before{left:50%;top:-1px;transform:translateX(-50%);width:1px;height:34px}
.hud-crosshair::after{top:50%;left:-1px;transform:translateY(-50%);height:1px;width:34px}
.output-header{padding-bottom:0}
.output-scroll{position:relative;border:1px solid #235a43;background:rgba(0,0,0,.18);min-height:0;flex:1;overflow:auto;padding:14px}
.output-placeholder{color:var(--mint-soft);min-height:100px;display:flex;align-items:center}
.output-section{border-bottom:1px solid #173c2d;padding-bottom:16px;margin-bottom:16px}
.output-section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.output-section .label{color:#7ef9c3;text-transform:uppercase;font-size:11px;letter-spacing:.28em;font-family:var(--font-display)}
.output-section .en{margin-top:10px;color:var(--text);font-size:15px;letter-spacing:.05em;line-height:1.9;text-transform:uppercase;text-shadow:0 0 8px rgba(110,243,184,.14)}
.output-section .jp{margin-top:6px;color:var(--mint-soft);font-size:13px;line-height:1.9}
#diag-list{display:flex;flex-direction:column;gap:10px}
.diag-item{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;border-bottom:1px solid #184231;padding-bottom:10px}
.diag-item:last-child{border-bottom:0;padding-bottom:0}
.diag-item .en{color:#7ff8c0;text-transform:uppercase;letter-spacing:.2em;font-size:11px;font-family:var(--font-display)}
.diag-item .jp{margin-top:4px;color:#a7f7d5;font-size:12px;line-height:1.6}
.diag-item .status{color:var(--text);font-family:var(--font-display);font-size:12px}
.signal-svg{display:block;width:100%;height:70px}
.signal-svg path{fill:none;stroke:var(--mint);stroke-width:2}
.scanline{pointer-events:none;position:absolute;inset:0;opacity:.28;background:repeating-linear-gradient(to bottom, rgba(120,255,190,.18) 0px, rgba(120,255,190,.18) 1px, transparent 2px, transparent 4px)}
.vignette{pointer-events:none;position:absolute;left:0;right:0;top:-100px;height:180px;background:linear-gradient(to bottom, rgba(117,246,194,.2), transparent);animation:scan 6s linear infinite}
@keyframes scan{0%{transform:translateY(0)}50%{transform:translateY(520px)}100%{transform:translateY(0)}}
.auth-overlay{position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(1,4,3,.88);backdrop-filter:blur(6px)}
.auth-card{width:min(100%,520px);border:1px solid #2b7656;background:rgba(2,7,5,.94);box-shadow:0 0 32px rgba(110,243,184,.08);padding:22px}
.auth-code,.auth-card h2,.auth-sub{font-family:var(--font-display)}
.auth-code{font-size:11px;letter-spacing:.35em;color:var(--mint-soft)}
.auth-card h2{margin:.5rem 0 0;font-size:2rem;letter-spacing:.12em;color:var(--text)}
.auth-sub{margin-top:.25rem;font-size:1rem;letter-spacing:.28em;color:var(--mint-soft)}
.auth-text,.auth-small,.auth-error{font-size:12px;line-height:1.7}
.auth-text{margin:14px 0 0;color:var(--mint-soft)}
.auth-form{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.auth-label{font-size:11px;letter-spacing:.24em;color:var(--mint-soft);text-transform:uppercase;font-family:var(--font-display)}
.auth-input{width:100%;min-height:46px;padding:0 12px;border:1px solid #2b7656;background:#04100c;color:var(--text);font-family:var(--font-ui);font-size:15px;outline:none}
.auth-input:focus{border-color:#7ff7c4;box-shadow:0 0 0 1px rgba(127,247,196,.25) inset}
.auth-remember{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--mint-soft)}
.auth-remember input{accent-color:#6ef3b8}
.auth-button{width:100%}
.auth-error{margin-top:12px;border:1px solid #5d8e49;background:#0a160c;color:var(--warn);padding:10px}
.auth-small{margin-top:12px;color:#b6fde2}
@media (max-width:1080px){body{overflow:auto}.app-shell{min-height:auto;grid-template-columns:1fr}.panel-center{min-height:52vh}.panel-left,.panel-right{gap:12px}}
@media (max-width:720px){.app-shell{padding:10px;gap:10px}.panel-left,.panel-right{padding:12px}.brand h1{font-size:1.85rem}.button-grid{grid-template-columns:1fr}.top-right,.bottom-right{right:10px}.top-left,.bottom-left{left:10px}.camera-tip{left:10px;right:10px;max-width:none}}