:root{--bg:#0d1117;--surface:#161b22;--surface2:#1f2937;--border:#30363d;--text:#e6edf3;--sub:#9ca3af;--green:#3fb950;--red:#f85149;--blue:#58a6ff}*{box-sizing:border-box}body{color:var(--text);background:radial-gradient(circle at top right, #122235 0%, var(--bg) 40%);min-height:100vh;margin:0;font-family:Noto Sans JP,sans-serif}.screen{grid-template-rows:auto auto 1fr auto;gap:12px;min-height:100vh;padding:16px;display:grid}.header,.panel,.alert-banner{border:1px solid var(--border);background:color-mix(in srgb, var(--surface) 88%, #000 12%);border-radius:12px}.header{justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.title{font-size:16px;font-weight:800}.subtitle{color:var(--sub);font-size:12px}.clock{font-family:JetBrains Mono,monospace;font-size:20px;font-weight:700}.alert-banner{padding:14px 16px}.alert-banner.danger{border-color:var(--red);box-shadow:0 0 0 1px color-mix(in srgb, var(--red) 45%, transparent)}.alert-banner.safe{border-color:var(--green)}.alert-stage{letter-spacing:.08em;color:var(--blue);font-size:12px}.alert-message{margin-top:4px;font-size:18px;font-weight:700}.alert-meta{color:var(--sub);margin-top:4px;font-size:12px}.main-grid{grid-template-columns:2fr 1fr;gap:12px;display:grid}.panel{padding:12px}.panel-title{color:var(--sub);letter-spacing:.08em;margin-bottom:8px;font-size:12px}.camera-placeholder{border:1px solid var(--border);color:#6b7280;background:linear-gradient(120deg,#0f172a,#111827);border-radius:8px;justify-content:center;align-items:center;height:260px;font-family:JetBrains Mono,monospace;font-size:28px;display:flex}.camera-meta{color:var(--sub);margin-top:8px;font-size:12px}.info-row{border-bottom:1px solid var(--border);justify-content:space-between;padding:8px 0;font-size:14px;display:flex}.stop-button,.login-card button{background:var(--green);color:#04140a;cursor:pointer;border:none;border-radius:10px;width:100%;margin-top:12px;padding:14px;font-size:16px;font-weight:800}.action-message{color:var(--blue);font-size:12px}.log-list{gap:4px;display:grid}.log-row{border-bottom:1px dashed var(--border);grid-template-columns:2fr 1fr 1fr 1fr;gap:6px;padding:4px 0;font-size:12px;display:grid}.empty{color:var(--sub);font-size:12px}.login-screen{place-items:center;min-height:100vh;padding:20px;display:grid}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;width:min(460px,100%);padding:20px}.login-card h1{margin:0;font-size:20px}.login-card p{color:var(--sub);font-size:13px}.login-card form{gap:12px;display:grid}.login-card label{gap:6px;font-size:13px;display:grid}.login-card input{border:1px solid var(--border);background:var(--surface2);color:var(--text);border-radius:8px;padding:10px}.error{color:var(--red);margin:0}@media (width<=900px){.main-grid{grid-template-columns:1fr}.clock{font-size:16px}}