/* Styles for the API-backed screens (live-ui.js). Uses the existing navy/yellow tokens from styles.css. */
.live-status{margin:14px 0;padding:12px 15px;border-radius:12px;font-size:13px;font-weight:700;border:1px solid var(--line);background:#f5f8fa;color:var(--navy)}
.live-status:empty{display:none}
.live-status ul{margin:8px 0 0;padding-left:18px;font-weight:600}
.live-status.error{background:#fdeeee;border-color:#e6b4b4;color:var(--red)}
.live-status.success{background:#eaf8f0;border-color:#acd9bf;color:var(--green)}
.live-status.info{background:#eaf3fa;border-color:#b5d3e6;color:var(--blue)}
.mode-banner{margin:0;padding:9px 20px;font-size:12px;font-weight:800;letter-spacing:.2px;border-bottom:1px solid var(--line)}
.mode-banner.live{background:#eaf8f0;color:var(--green)}
.mode-banner.demo{background:#fff2d7;color:var(--amber)}
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
.tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 15px;font-weight:800;color:var(--navy);cursor:pointer;min-height:40px}
.tab[aria-selected="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}
.tab:focus-visible,.link-button:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}
.one-time{border:2px solid var(--yellow);background:#fffaf0}
.one-time code,.live-status code,.hint code{word-break:break-all}
.gate-links{display:flex;flex-direction:column;gap:8px;margin-top:18px}
.gate-links .text-button{text-align:left}
.hint{font-size:12px;color:var(--muted);margin:6px 0 0;font-weight:600}
.check-inline{display:flex;align-items:flex-start;gap:10px;font-weight:600;margin-top:16px}
.check-inline input{width:auto;margin-top:3px}
.doc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.stack{display:flex;flex-direction:column;gap:14px}
.statement{margin:14px 0;padding:14px 16px;border-left:4px solid var(--yellow);background:#f5f8fa;border-radius:8px;white-space:pre-wrap}
.inline-form{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.inline-form label{margin:0;flex:1 1 180px}
.inline-form.compact label{flex:0 1 150px}
.actions-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.link-button{display:inline-block;text-decoration:none;text-align:center}
.live-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:6px}
.step-controls{margin-top:12px;display:flex;flex-direction:column;gap:10px}
.radio-group{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.radio-group label{display:flex;gap:8px;align-items:center;margin:0;font-weight:600}
.radio-group input{width:auto;margin:0}
.secondary.small,.primary.small{padding:8px 11px;font-size:13px}
.span-2{grid-column:1/-1}
button:disabled,input:disabled,select:disabled,textarea:disabled{opacity:.6;cursor:not-allowed}
textarea{font:inherit;width:100%;margin-top:7px;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;min-height:84px}
.gate-links .primary{display:block}
.hidden-demo{display:none}
.doc-actions{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.doc-actions [data-live-status],.doc-actions .live-status,.doc-actions .meta{flex-basis:100%}
.quiz-q{border:1px solid var(--line);border-radius:12px;margin:0 0 12px;padding:12px 15px}
.quiz-q legend{font-weight:800;color:var(--navy);padding:0 6px}
.quiz-opt{display:flex;gap:8px;align-items:flex-start;margin:6px 0;font-weight:600}
.train-progress{margin:10px 0 14px}
.train-progress .bar{height:10px;border-radius:999px;background:#e3ebf0;overflow:hidden}
.train-progress .bar span{display:block;height:100%;background:var(--green,#1d8a5b);transition:width .2s}
.train-sections{display:grid;gap:12px}
.train-sec{border:1px solid var(--line);border-radius:12px;padding:12px 15px;background:#fff}
.train-sec.current{border-color:var(--blue,#2c7fb8);box-shadow:0 0 0 2px rgba(44,127,184,.12)}
.train-sec.locked{opacity:.75}
.train-sec h4{margin:2px 0 8px}
.train-sec h4:focus{outline:2px solid var(--blue,#2c7fb8);outline-offset:3px}
.train-sec summary{cursor:pointer;font-weight:700;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.sec-tag{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--muted,#5b6b78);margin:0}
.key-label{font-weight:800;margin:10px 0 4px}
.sec-body{margin-top:8px}
.video-frame{position:relative;aspect-ratio:16/9;background:#0b1620;border-radius:12px;overflow:hidden;margin:10px 0}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.reset-box{margin-top:12px}

/* ---- Backend availability strip (Task #2). Text + icon carry the meaning, never colour alone. ---- */
.login-panel{display:flex;flex-direction:column;gap:14px;min-width:0}
.api-status{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 15px;border-radius:14px;border:1px solid var(--line);border-left-width:6px;background:#f5f8fa;color:var(--navy);font-size:14px;line-height:1.4}
.api-status-icon{flex:0 0 28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:900;color:#fff;background:var(--blue)}
.api-status-text{flex:1 1 220px;min-width:0}
.api-status-title{font-weight:800}
.api-status[data-tone="success"]{background:#eaf8f0;border-color:#acd9bf;border-left-color:var(--green);color:var(--green)}
.api-status[data-tone="success"] .api-status-icon{background:var(--green)}
.api-status[data-tone="info"]{background:#eaf3fa;border-color:#b5d3e6;border-left-color:var(--blue);color:var(--blue)}
.api-status[data-tone="warning"]{background:#fff2d7;border-color:#ecd49b;border-left-color:var(--amber);color:#6d4800}
.api-status[data-tone="warning"] .api-status-icon{background:var(--amber)}
.api-status[data-tone="error"]{background:#fdeeee;border-color:#e6b4b4;border-left-color:var(--red);color:var(--red)}
.api-status[data-tone="error"] .api-status-icon{background:var(--red)}
.api-status-retry{min-height:44px;padding:10px 16px;border-radius:12px;border:2px solid currentColor;background:#fff;color:var(--navy);font:inherit;font-weight:800;cursor:pointer}
.api-status-retry[hidden]{display:none}
.api-status-retry[aria-disabled="true"]{opacity:.6;cursor:progress}
.api-status-retry:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}
.api-status-wrap{margin:12px 30px 0}
.api-status-wrap .api-status{margin:0}
/* Show the strip only where the server is involved: not on the browser-only demonstration screens. */
.login:has(#demoGate:not(.hidden)) #apiStatusGate{display:none}
.shell:has(#main:not([data-live-page])) .api-status-wrap{display:none}
.mode-banner.live.degraded{background:#fff2d7;color:#6d4800}
.login #apiStatusGate{box-shadow:0 12px 30px #0003}
@media(max-width:760px){.api-status-wrap{margin:10px 16px 0}}
@media(max-width:430px){.api-status{align-items:flex-start}.api-status-text{flex:1 1 0}.api-status-retry{flex:1 1 100%}}