/* Browser installer preview — page styles.
   Shares the LibreEcho palette with the development site, but is deliberately
   flatter and denser: this page is a tool, not a landing page. */

:root{
  --bg:#081622;--panel:#102131;--panel2:#14283a;--text:#f4f7fb;--muted:#aeb9c7;
  --line:#294052;--green:#55d47a;--cyan:#5ba8ff;--violet:#b77bea;
  --amber:#ffbe78;--red:#ff7a7a;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}
a{color:var(--text)}
.wrap{width:min(100% - 2.5rem,1240px);margin-inline:auto}

.installer-header{display:flex;align-items:center;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.installer-header .brand{display:flex;align-items:center;gap:.7rem;font-weight:750;text-decoration:none}
.installer-header .brand img{width:30px;height:30px}
.installer-header nav{margin-left:auto;display:flex;gap:1rem;flex-wrap:wrap;font-size:.88rem}
.installer-header nav a{color:var(--muted);text-decoration:none}
.installer-header nav a:hover{color:var(--text)}

.installer-intro{padding:2.5rem 0 1rem}
.eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--green);margin:0 0 .5rem}
.installer-intro h1{font-size:clamp(2rem,4vw,3.2rem);letter-spacing:-.04em;line-height:1.05;margin:0 0 .8rem}
.installer-intro p{max-width:70ch;color:var(--muted);margin:.4rem 0}
.preview-banner{border:1px solid rgba(255,190,120,.45);background:rgba(255,190,120,.08);border-radius:14px;padding:.9rem 1.1rem;margin:1.2rem 0 0;color:#ffd9ac;font-size:.9rem}

.layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.35fr);gap:1.5rem;align-items:start;padding:1.5rem 0 4rem}
@media(max-width:1050px){.layout{grid-template-columns:1fr}}

.card{border:1px solid var(--line);border-radius:18px;background:linear-gradient(150deg,rgba(255,255,255,.05),rgba(255,255,255,.015));padding:1.25rem 1.35rem;margin-bottom:1.25rem}
.card h2{font-size:1.05rem;margin:0 0 .8rem;letter-spacing:-.01em}
.card p{margin:.35rem 0;color:var(--muted);font-size:.92rem}
.card ol,.card ul{margin:.4rem 0;padding-left:1.2rem;color:var(--muted);font-size:.92rem}
.field{display:flex;flex-direction:column;gap:.45rem;margin:.8rem 0}
.field label{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800;color:var(--muted)}
select,button,input[type=file]{font:inherit}
select{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:.6rem .7rem;width:100%}
.actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.9rem}
button{border-radius:999px;padding:.7rem 1.1rem;font-weight:800;cursor:pointer;border:1px solid var(--line);background:var(--panel);color:var(--text)}
button.primary{background:linear-gradient(90deg,var(--green),var(--cyan));color:#081622;border:0}
button.ghost{background:transparent}
button:disabled{opacity:.45;cursor:not-allowed}
input[type=file]{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}

.status-line{display:flex;gap:.6rem;align-items:baseline;font-size:.86rem;color:var(--muted);margin:.3rem 0}
.status-line strong{color:var(--text);font-weight:700}
.pill{font-size:.7rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase;padding:.15rem .5rem;border-radius:999px;border:1px solid var(--line)}
[data-state=ok]{color:var(--green);border-color:rgba(85,212,122,.5)}
[data-state=warn]{color:var(--amber);border-color:rgba(255,190,120,.5)}
[data-state=bad]{color:var(--red);border-color:rgba(255,122,122,.5)}
[data-state=pending]{color:var(--muted)}

.capability-row{display:grid;grid-template-columns:9.5rem 6rem 1fr;gap:.6rem;font-size:.85rem;padding:.22rem 0;border-bottom:1px dotted rgba(41,64,82,.7)}
.capability-value{font-weight:750}
.capability-note{color:var(--muted)}
@media(max-width:700px){.capability-row{grid-template-columns:1fr;gap:.1rem}}

.device-row{display:grid;grid-template-columns:11rem 1fr;gap:.5rem;font-size:.85rem;padding:.22rem 0;border-bottom:1px dotted rgba(41,64,82,.7)}
.device-row span{color:var(--muted)}

.step-item{display:flex;gap:.7rem;align-items:baseline;padding:.3rem 0;font-size:.9rem;color:var(--muted);border-bottom:1px dotted rgba(41,64,82,.6)}
.step-item .step-index{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.step-item.step-active{color:var(--text)}
.step-item.step-active .step-index{color:var(--cyan)}
.step-item.step-done{color:var(--green)}
.step-item.step-done .step-index{color:var(--green)}

.terminal-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.terminal-head{display:flex;align-items:center;gap:.6rem;padding:.7rem 1rem;border-bottom:1px solid var(--line);background:rgba(8,22,34,.6)}
.terminal-head .dots{display:flex;gap:.35rem}
.terminal-head .dots i{width:.6rem;height:.6rem;border-radius:50%;background:var(--line);display:block}
.terminal-head strong{font-size:.82rem;letter-spacing:.04em}
.terminal-head button{margin-left:auto;font-size:.75rem;padding:.35rem .7rem}
#terminal{list-style:none;margin:0;padding:.9rem 1rem;font-family:var(--mono);font-size:.82rem;line-height:1.55;height:min(62vh,620px);overflow-y:auto;background:#061220;scrollbar-width:thin}
.term-line{white-space:pre-wrap;word-break:break-word}
.term-out{color:#cfe0ee}
.term-info{color:var(--cyan)}
.term-ok{color:var(--green)}
.term-warn{color:var(--amber)}
.term-error{color:var(--red)}
.term-command{color:var(--violet)}
.term-phase{color:var(--text);font-weight:800;letter-spacing:.08em;margin-top:.5rem;border-top:1px solid var(--line);padding-top:.4rem}
.term-progress{display:grid;grid-template-columns:minmax(8rem,14rem) 1fr minmax(6rem,12rem);gap:.6rem;align-items:center;color:var(--muted)}
.term-progress-track{display:block;height:.5rem;border-radius:999px;background:var(--line);overflow:hidden}
.term-progress-bar{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--cyan));transition:width .15s linear}
.term-progress-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.term-progress-detail{text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.notes{padding:0 0 3rem}
.notes h2{font-size:1.2rem;margin:2rem 0 .6rem}
.notes p,.notes li{color:var(--muted);font-size:.94rem}
.notes code{font-family:var(--mono);font-size:.85rem;background:rgba(255,255,255,.06);padding:.1rem .35rem;border-radius:6px}
.notes table{width:100%;border-collapse:collapse;font-size:.88rem;margin:.8rem 0}
.notes th,.notes td{text-align:left;border-bottom:1px solid var(--line);padding:.5rem .6rem;vertical-align:top}
.installer-footer{border-top:1px solid var(--line);padding:1.5rem 0 3rem;color:var(--muted);font-size:.84rem}