/* Audiobook Studio — shared styles.
   Designed for comfortable reading: large type, high contrast, generous
   touch targets, and one clear action at a time. */
:root{
  --bg:#f4f6f9; --panel:#fff; --ink:#14171c; --muted:#5b6472;
  --line:#dde2ea; --line-soft:#eef1f6;
  --accent:#2563eb; --accent-ink:#fff; --accent-soft:#eaf1ff;
  --ok:#0b8457; --ok-soft:#e6f6ef;
  --warn:#a35a00; --warn-soft:#fff4e5;
  --err:#c62828; --err-soft:#fdecec;
  --radius:14px; --shadow:0 1px 2px rgba(16,24,40,.05),0 6px 20px rgba(16,24,40,.07);
  --fs:17px;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0f1216; --panel:#181c22; --ink:#eef1f5; --muted:#a3adbb;
    --line:#2a3039; --line-soft:#212630;
    --accent:#5b9bff; --accent-ink:#0b0e12; --accent-soft:#18243a;
    --ok:#3ddc97; --ok-soft:#12291f;
    --warn:#f5b942; --warn-soft:#2b2312;
    --err:#ff7b7b; --err-soft:#2c1717;
    --shadow:0 1px 2px rgba(0,0,0,.45),0 6px 20px rgba(0,0,0,.35);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--ink);
  font:var(--fs)/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,
       "Noto Sans","Noto Sans Devanagari","Noto Sans Oriya",Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.015em;line-height:1.25}
button,input,select,textarea{font:inherit;color:inherit}
code{background:var(--line-soft);padding:2px 6px;border-radius:5px;font-size:.88em}
.hidden{display:none !important}
.muted{color:var(--muted)}
a{color:var(--accent)}

/* ---------- header ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 24px;background:var(--panel);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:30;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.brand .logo{font-size:30px;line-height:1}
.brand h1{font-size:19px}
.brand p{margin:1px 0 0;font-size:13px;color:var(--muted)}
.top-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.status-pill{
  display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);
  background:var(--line-soft);border:1px solid var(--line);
  padding:7px 13px;border-radius:999px;white-space:nowrap;
}
.dot{width:9px;height:9px;border-radius:50%;background:var(--muted);flex:none}
.dot.ok{background:var(--ok)} .dot.err{background:var(--err)} .dot.warn{background:var(--warn)}
.back-link{font-size:14.5px;text-decoration:none;color:var(--accent);font-weight:600}
.back-link:hover{text-decoration:underline}

/* ---------- page shell ---------- */
.page{max-width:1180px;margin:0 auto;padding:26px 22px 60px}
.page-head{margin-bottom:24px}
.page-head h2{font-size:27px;margin-bottom:6px}
.page-head p{margin:0;color:var(--muted);font-size:16px;max-width:62ch}

/* ---------- hub ---------- */
.hero{text-align:center;padding:44px 20px 30px}
.hero h2{font-size:33px;margin-bottom:12px}
.hero p{font-size:18px;color:var(--muted);max-width:56ch;margin:0 auto}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));
  gap:20px;margin-top:12px}
.tool-card{
  background:var(--panel);border:1.5px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;text-decoration:none;color:inherit;display:flex;
  flex-direction:column;gap:12px;transition:.16s;box-shadow:var(--shadow);
}
.tool-card:hover,.tool-card:focus-visible{
  border-color:var(--accent);transform:translateY(-3px);outline:none;
  box-shadow:0 8px 28px rgba(37,99,235,.16)}
.tool-card .ticon{font-size:40px;line-height:1}
.tool-card h3{font-size:21px}
.tool-card p{margin:0;color:var(--muted);font-size:15.5px;flex:1}
.tool-card .go{color:var(--accent);font-weight:700;font-size:15.5px}
.tool-card ul{margin:4px 0 0;padding-left:20px;color:var(--muted);font-size:14.5px}
.tool-card li{margin:3px 0}

/* ---------- steps ---------- */
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;margin-bottom:18px;box-shadow:var(--shadow)}
.step-head{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.step-num{width:34px;height:34px;border-radius:50%;background:var(--accent);
  color:var(--accent-ink);display:grid;place-items:center;font-weight:700;
  font-size:16px;flex:none}
.step-head h3{font-size:19px}
.step-head .sub{font-size:14.5px;color:var(--muted);margin-top:2px}
.step.done .step-num{background:var(--ok)}
.step.locked{opacity:.55;pointer-events:none}

/* ---------- dropzone ---------- */
.dropzone{
  border:2.5px dashed var(--line);border-radius:var(--radius);
  padding:38px 20px;text-align:center;cursor:pointer;transition:.16s;
  background:var(--line-soft)}
.dropzone:hover,.dropzone:focus-visible,.dropzone.drag{
  border-color:var(--accent);background:var(--accent-soft);outline:none}
.dz-icon{font-size:44px;margin-bottom:10px}
.dz-main{margin:0 0 6px;font-weight:650;font-size:18px}
.dz-sub{margin:0;font-size:14.5px;color:var(--muted)}
.link{color:var(--accent);text-decoration:underline}
.file-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.file-chip{display:flex;align-items:center;gap:11px;font-size:15px;
  background:var(--ok-soft);border:1px solid var(--line);padding:11px 14px;border-radius:10px}
.file-chip .name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:550}
.file-chip .size{color:var(--muted);font-size:13.5px;flex:none}

/* ---------- notices ---------- */
.notice{margin-top:14px;font-size:15px;padding:13px 16px;border-radius:10px;
  border:1px solid var(--line);background:var(--accent-soft);display:flex;gap:10px;align-items:flex-start}
.notice.ok{background:var(--ok-soft)} .notice.warn{background:var(--warn-soft)}
.notice .ni{flex:none;font-size:18px;line-height:1.3}
.error{background:var(--err-soft);border:1px solid var(--err);color:var(--err);
  padding:13px 16px;border-radius:10px;font-size:15px;margin-top:14px;
  white-space:pre-wrap;word-break:break-word}

/* ---------- fields ---------- */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;flex:1;min-width:0}
.field>span,.field>label{font-size:15px;font-weight:650;
  display:flex;justify-content:space-between;align-items:center;gap:10px}
.field small{font-weight:400;color:var(--muted);font-size:13.5px}
input[type=text],select,textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;
  background:var(--bg);transition:.15s;font-size:16px}
select{cursor:pointer}
textarea{resize:vertical;line-height:1.65}
input[type=text]:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
input[type=range]{width:100%;accent-color:var(--accent);height:26px}
.field-row{display:flex;gap:16px}
@media(max-width:620px){.field-row{flex-direction:column;gap:0}}
output{font-variant-numeric:tabular-nums;font-weight:700;color:var(--accent)}
.hint{font-size:14px;color:var(--muted);margin-top:8px}

details.advanced{border:1px solid var(--line);border-radius:11px;padding:0 16px;margin:4px 0 18px}
details.advanced summary{cursor:pointer;padding:14px 0;font-size:15.5px;font-weight:650;color:var(--accent)}
details.advanced[open] summary{border-bottom:1px solid var(--line-soft);margin-bottom:16px}
.checks{display:flex;flex-direction:column;gap:12px;margin-bottom:14px}
.check{display:flex;align-items:flex-start;gap:11px;font-size:15.5px;cursor:pointer}
.check input{accent-color:var(--accent);width:19px;height:19px;margin-top:2px;flex:none}

.choice-row{display:flex;gap:12px;margin:4px 0 18px}
@media(max-width:620px){.choice-row{flex-direction:column}}
.choice{flex:1;display:flex;align-items:flex-start;gap:11px;padding:15px 17px;
  border:1.5px solid var(--line);border-radius:11px;cursor:pointer;transition:.15s}
.choice:hover{border-color:var(--accent)}
.choice:has(input:checked){border-color:var(--accent);background:var(--accent-soft);
  box-shadow:0 0 0 1px var(--accent)}
.choice input{accent-color:var(--accent);margin-top:3px;flex:none;width:19px;height:19px}
.choice span{display:flex;flex-direction:column;gap:3px;font-size:15.5px}
.choice strong{font-weight:650}
.choice small{color:var(--muted);font-size:14px;line-height:1.45}

/* ---------- big tabs ---------- */
.bigtabs{display:flex;gap:6px;background:var(--line-soft);padding:6px;
  border-radius:12px;margin-bottom:20px}
.bigtab{flex:1;padding:14px 16px;border:0;background:transparent;border-radius:9px;
  cursor:pointer;font-size:16px;font-weight:650;color:var(--muted);transition:.15s;
  display:flex;align-items:center;justify-content:center;gap:9px}
.bigtab:hover{color:var(--ink)}
.bigtab.active{background:var(--panel);color:var(--accent);box-shadow:var(--shadow)}
.tabpane{display:none} .tabpane.active{display:block}

/* ---------- buttons ---------- */
.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:8px}
.btn{padding:14px 26px;border-radius:11px;border:1.5px solid transparent;cursor:pointer;
  font-size:16.5px;font-weight:700;transition:.15s;text-decoration:none;
  display:inline-flex;align-items:center;gap:9px;justify-content:center}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.primary:hover:not(:disabled){filter:brightness(1.1)}
.btn.ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn.ghost:hover:not(:disabled){background:var(--line-soft);border-color:var(--accent)}
.btn.big{width:100%;padding:17px 26px;font-size:18px}
.btn.small{padding:9px 16px;font-size:14.5px;border-radius:9px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.icon-btn{background:transparent;border:0;font-size:20px;cursor:pointer;
  color:var(--muted);padding:7px;border-radius:8px;line-height:1}
.icon-btn:hover{background:var(--line-soft);color:var(--ink)}

/* ---------- progress ---------- */
.progress{height:10px;background:var(--line-soft);border-radius:999px;overflow:hidden}
.bar{height:100%;width:0;background:var(--accent);border-radius:999px;transition:width .4s ease}
.bar.indeterminate{width:35% !important;animation:slide 1.5s ease-in-out infinite}
@keyframes slide{0%{margin-left:-35%}100%{margin-left:100%}}
.progress-meta{display:flex;align-items:center;gap:11px;margin-top:11px;
  font-size:15px;flex-wrap:wrap}
.badge{font-size:12.5px;font-weight:700;padding:4px 11px;border-radius:999px;
  text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;flex:none;
  background:var(--line-soft);color:var(--muted)}
.badge.running{background:var(--accent-soft);color:var(--accent)}
.badge.queued{background:var(--warn-soft);color:var(--warn)}
.badge.done{background:var(--ok-soft);color:var(--ok)}
.badge.failed{background:var(--err-soft);color:var(--err)}
.badge.awaiting_review{background:var(--warn-soft);color:var(--warn)}
.badge.cancelled{background:var(--line-soft);color:var(--muted)}

.queue-box{background:var(--warn-soft);border:1px solid var(--line);
  border-radius:11px;padding:16px 18px;margin-top:14px;font-size:15.5px}
.queue-box .qpos{font-size:23px;font-weight:700;color:var(--warn);
  display:block;margin-bottom:4px}

/* ---------- results ---------- */
.result-box{background:var(--ok-soft);border:1.5px solid var(--ok);
  border-radius:var(--radius);padding:22px;margin-top:6px}
.result-box h3{font-size:19px;margin-bottom:12px;color:var(--ok)}
audio{width:100%;margin:10px 0}
.stats{display:flex;flex-wrap:wrap;gap:9px;margin:14px 0}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:9px;
  padding:9px 13px;font-size:14.5px}
.stat b{font-weight:700}
.textarea-big{width:100%;min-height:340px;font-size:16px;line-height:1.75;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",
              "Noto Sans Devanagari","Noto Sans Oriya",sans-serif}
.review-bar{display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-bottom:12px;flex-wrap:wrap}
.review-bar .tools{display:flex;align-items:center;gap:11px;font-size:14.5px}

/* ---------- job list ---------- */
.job-list{display:flex;flex-direction:column;gap:11px}
.job-card{border:1px solid var(--line);border-radius:11px;padding:15px 17px;
  cursor:pointer;transition:.15s;background:var(--panel)}
.job-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.job-card .row{display:flex;align-items:center;justify-content:space-between;gap:11px}
.job-card .jtitle{font-weight:650;font-size:16px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.job-card .jmeta{font-size:14px;color:var(--muted);margin-top:4px}
.job-card .progress{margin-top:11px;height:7px}
.empty{color:var(--muted);font-size:15.5px;text-align:center;padding:34px 12px}

.log-box{margin-top:20px;border-top:1px solid var(--line-soft);padding-top:14px}
.log-box summary{cursor:pointer;font-size:14.5px;color:var(--muted);font-weight:600}
.log-box pre{background:var(--line-soft);border-radius:9px;padding:13px;
  font-size:13px;line-height:1.65;max-height:240px;overflow:auto;margin:11px 0 0;
  white-space:pre-wrap;word-break:break-word}

.spinner{display:inline-block;width:17px;height:17px;border:2.5px solid var(--line);
  border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- login / language gate ---------- */
.centered-page{display:grid;place-items:center;min-height:100vh;padding:20px}
.login-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow);padding:36px 34px;width:min(430px,100%);text-align:center}
.login-logo{font-size:46px;line-height:1;margin-bottom:10px}
.login-card h2{font-size:24px;margin-bottom:8px}
.login-card p{margin:0 0 22px;font-size:15.5px}
.login-card .field{text-align:left}
.login-card .btn{margin-top:6px}
.login-lang{margin-top:22px;display:flex;justify-content:center}
.lang-select{padding:9px 12px;border:1.5px solid var(--line);border-radius:9px;
  background:var(--bg);font-size:14.5px;cursor:pointer;min-width:120px}

.lang-gate{position:fixed;inset:0;background:var(--bg);display:grid;place-items:center;
  z-index:200;padding:20px}
.lang-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow);padding:40px 34px;width:min(470px,100%);text-align:center}
.lang-logo{font-size:50px;line-height:1;margin-bottom:14px}
.lang-card h2{font-size:23px;margin-bottom:12px;line-height:1.4}
.lang-card h2 .hi{font-weight:600;color:var(--muted);font-size:20px}
.lang-card p{margin:0 0 26px;font-size:15px;line-height:1.6}
.lang-card .hi{font-size:14.5px}
.lang-btns{display:flex;flex-direction:column;gap:12px}

/* ---------- strong warning inside advanced ---------- */
details.advanced.danger summary{color:var(--warn)}
.advanced-warn{background:var(--warn-soft);border:1px solid var(--warn);
  border-radius:10px;padding:13px 16px;font-size:14.5px;margin-bottom:18px;
  display:flex;gap:10px;align-items:flex-start}
.advanced-warn .ni{flex:none;font-size:17px}

/* ---------- expiry banner ---------- */
.expiry{background:var(--warn-soft);border:1.5px solid var(--warn);border-radius:11px;
  padding:14px 17px;margin:14px 0;font-size:15.5px;font-weight:600;color:var(--warn);
  display:flex;gap:10px;align-items:flex-start}

/* ---------- marker check ---------- */
.marker-warn{background:var(--warn-soft);border:1.5px solid var(--warn);
  border-radius:11px;padding:16px 18px;margin-top:14px;font-size:15.5px}
.marker-warn h4{margin:0 0 8px;font-size:16px;color:var(--warn);text-transform:none;letter-spacing:0}
.marker-warn code{background:var(--panel);border:1px solid var(--line);
  padding:3px 7px;border-radius:5px;font-weight:600;white-space:nowrap}
.marker-warn .marker-actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.marker-ok{background:var(--ok-soft);border:1px solid var(--ok);border-radius:11px;
  padding:13px 16px;margin-top:14px;font-size:15px;color:var(--ok);font-weight:600}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ============================ SMALL SCREENS ============================
   Phones are a primary way people will use this, so the layout collapses to
   a single column, the header sheds anything non-essential, and every
   control stays at a comfortable thumb size. */

/* Nothing may push the page sideways — horizontal scroll on a phone makes
   an interface feel broken. */
html,body{max-width:100%;overflow-x:hidden}
body{-webkit-text-size-adjust:100%}
img,audio,video{max-width:100%}
.textarea-big,textarea,pre{overflow-wrap:anywhere}

/* ---------- tablets and small laptops ---------- */
@media (max-width:860px){
  .page{padding:20px 16px 50px}
  .step{padding:20px 18px}
  .page-head h2{font-size:24px}
  .hero{padding:30px 12px 22px}
  .hero h2{font-size:27px}
  .hero p{font-size:16.5px}
}

/* ---------- phones ---------- */
@media (max-width:560px){
  :root{--fs:16px;--radius:12px}

  /* Header: brand on one line, controls on the next, nothing truncated. */
  .topbar{padding:10px 14px;gap:10px}
  .brand{gap:9px}
  .brand .logo{font-size:24px}
  .brand h1{font-size:17px}
  .brand p{display:none}              /* tagline is decoration; drop it */
  .top-right{width:100%;justify-content:space-between;gap:8px}
  .back-link{font-size:14px}
  .status-pill{padding:5px 10px;font-size:12.5px}
  .lang-select{min-width:0;padding:7px 9px;font-size:13.5px}
  .btn.small{padding:7px 12px;font-size:13.5px}

  .page{padding:16px 12px 46px}
  .page-head h2{font-size:21px;line-height:1.3}
  .page-head p{font-size:15.5px}
  .hero{padding:24px 8px 18px}
  .hero h2{font-size:23px}
  .hero p{font-size:15.5px}

  .step{padding:16px 14px;margin-bottom:14px}
  .step-head{gap:10px;margin-bottom:13px}
  .step-num{width:30px;height:30px;font-size:15px}
  .step-head h3{font-size:17px}
  .step-head .sub{font-size:13.5px}

  /* Tool cards stack and shed the decorative bullet list. */
  .tool-grid{grid-template-columns:1fr;gap:14px}
  .tool-card{padding:20px 18px}
  .tool-card .ticon{font-size:32px}
  .tool-card h3{font-size:18.5px}
  .tool-card p{font-size:15px}
  .tool-card ul{font-size:14px;padding-left:18px}

  .dropzone{padding:26px 14px}
  .dz-icon{font-size:36px;margin-bottom:8px}
  .dz-main{font-size:16.5px}
  .dz-sub{font-size:13.5px}

  .bigtabs{padding:5px;gap:5px}
  .bigtab{padding:12px 8px;font-size:14.5px;gap:6px}

  /* Full-width controls are far easier to hit than a row of small ones. */
  .actions{gap:10px}
  .actions .btn{flex:1 1 100%}
  .actions .btn.small{flex:0 1 auto}
  .btn{padding:13px 20px;font-size:16px}
  .btn.big{padding:16px 20px;font-size:17px}

  .review-bar{flex-direction:column;align-items:stretch;gap:10px}
  .review-bar .tools{justify-content:space-between;flex-wrap:wrap}
  .review-bar .tools .btn{flex:1 1 auto}

  .textarea-big{min-height:240px;font-size:15.5px;line-height:1.7}
  .field{margin-bottom:14px}
  input[type=text],select,textarea{padding:11px 12px}

  .result-box{padding:18px 16px}
  .stat{font-size:13.5px;padding:8px 11px}
  .queue-box{padding:14px 15px;font-size:15px}
  .queue-box .qpos{font-size:20px}
  .expiry,.marker-warn,.notice{padding:12px 14px;font-size:14.5px}

  .log-box pre{font-size:12px}
  .login-card,.lang-card{padding:28px 22px}
  .lang-card h2{font-size:20px}
}

/* ---------- very small phones ---------- */
@media (max-width:380px){
  .topbar{padding:9px 11px}
  .page{padding:14px 10px 40px}
  .step{padding:14px 12px}
  .bigtab{font-size:13.5px;padding:11px 6px}
  .tool-card ul{display:none}      /* keep the card to a single glance */
}

/* Touch devices: hover styling misfires, and targets need to be bigger. */
@media (hover:none){
  .btn,.bigtab,.tab{min-height:46px}
  .check input,.choice input{width:22px;height:22px}
  input[type=range]{height:34px}
  .job-card{padding:16px}
}