/* ── Theme variables ─────────────────────────────────────── */
.ac-reader{--r-bg:#0c090a;--r-text:#d4d4d4;--r-muted:rgba(255,255,255,.5);--r-border:rgba(255,255,255,.08);--r-card:rgba(255,255,255,.05);--r-card-h:rgba(255,255,255,.1);transition:background .3s,color .3s}
.ac-reader[data-theme="night"]{--r-bg:#0c090a;--r-text:#d4d4d4;--r-muted:rgba(255,255,255,.5);--r-border:rgba(255,255,255,.08);--r-card:rgba(255,255,255,.05);--r-card-h:rgba(255,255,255,.1)}
.ac-reader[data-theme="onyx"]{--r-bg:#3d3d3d;--r-text:#e5e5e5;--r-muted:rgba(255,255,255,.45);--r-border:rgba(255,255,255,.1);--r-card:rgba(255,255,255,.06);--r-card-h:rgba(255,255,255,.12)}
.ac-reader[data-theme="dusk"]{--r-bg:#2b2e48;--r-text:#c0ccfc;--r-muted:rgba(192,204,252,.5);--r-border:rgba(192,204,252,.12);--r-card:rgba(192,204,252,.06);--r-card-h:rgba(192,204,252,.12)}
.ac-reader[data-theme="sepia"]{--r-bg:#f1e8de;--r-text:#3d2e1e;--r-muted:rgba(61,46,30,.5);--r-border:rgba(61,46,30,.12);--r-card:rgba(61,46,30,.05);--r-card-h:rgba(61,46,30,.1)}
.ac-reader[data-theme="lavender"]{--r-bg:#f5e9ef;--r-text:#2d1f28;--r-muted:rgba(45,31,40,.5);--r-border:rgba(45,31,40,.12);--r-card:rgba(45,31,40,.05);--r-card-h:rgba(45,31,40,.1)}
.ac-reader[data-theme="frost"]{--r-bg:#f2f2f2;--r-text:#1a1a1a;--r-muted:rgba(26,26,26,.5);--r-border:rgba(26,26,26,.1);--r-card:rgba(26,26,26,.04);--r-card-h:rgba(26,26,26,.08)}

/* ── Layout ──────────────────────────────────────────────── */
.ac-reader{background:var(--r-bg);color:var(--r-text);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
.ac-r-wrap{width:100%;max-width:64rem;margin:0 auto;padding:0}

/* ── Reading progress bar ────────────────────────────────── */
.ac-r-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,#63aff5,#16a34a);z-index:9999;transition:width .1s linear;pointer-events:none}

/* ── Sticky header ───────────────────────────────────────── */
.ac-r-hdr{position:sticky;top:0;z-index:50;background:var(--r-bg);border-bottom:1px solid var(--r-border);padding:10px 1rem;display:flex;align-items:center;justify-content:space-between;gap:6px}
.ac-r-hdr a{color:var(--r-text);text-decoration:none}
.ac-r-ttl{font-size:.82rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:58%}
.ac-r-ttl span{opacity:.45;font-weight:400}
.ac-r-nav{display:flex;gap:3px;align-items:center}
.ac-r-nav a,.ac-r-nav button{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;background:var(--r-card);border:1px solid var(--r-border);color:var(--r-text);cursor:pointer;transition:background .15s}
.ac-r-nav a:hover,.ac-r-nav button:hover{background:var(--r-card-h)}
.ac-r-nav a.dis{opacity:.2;pointer-events:none}
.ac-r-nav svg{width:16px;height:16px}

/* ── Content ─────────────────────────────────────────────── */
.ac-r-body{padding:2rem 2.5rem 4rem}
.ac-r-chapter-name{outline-color:rgb(244,244,245);font-size:24px;font-weight:700;line-height:32px;text-align:center;text-decoration-color:rgb(244,244,245);color:rgb(244,244,245);opacity:.8;transform-origin:center center;margin:0 0 1.6rem}
.ac-r-body p{margin:0 0 1.4em;text-align:justify;word-spacing:0.02em;hyphens:auto;-webkit-hyphens:auto}
.ac-r-body p:empty{margin:0 0 0.6em}
.ac-r-body img{max-width:100%;height:auto;border-radius:6px;margin:1em 0}
.ac-r-body hr{border:none;border-top:1px solid var(--r-border);margin:2em 0}
.ac-r-body blockquote{border-left:3px solid var(--r-border);margin:1.2em 0;padding:0.5em 1em;color:var(--r-muted);font-style:italic}
.ac-r-body strong{font-weight:600}
.ac-r-body em{font-style:italic}

/* ── Footer nav ──────────────────────────────────────────── */
.ac-r-ftr{padding:0 1rem 5rem}
.ac-r-fnav{display:flex;gap:10px}
.ac-r-fbtn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:12px;border-radius:10px;background:var(--r-card);border:1px solid var(--r-border);color:var(--r-text);text-decoration:none;font-weight:600;font-size:.85rem;transition:background .15s}
.ac-r-fbtn:hover{background:var(--r-card-h);color:var(--r-text)}
.ac-r-fbtn.dis{opacity:.25;pointer-events:none}
.ac-r-fbtn svg{width:16px;height:16px;flex-shrink:0}

/* ── Settings panel (compact floating bottom sheet) ──────── */
.ac-sp-bg{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:998;opacity:0;pointer-events:none;transition:opacity .2s}
.ac-sp-bg.on{opacity:1;pointer-events:auto}
.ac-sp{position:fixed;bottom:0;left:50%;z-index:999;width:100%;max-width:380px;transform:translate(-50%,100%);background:var(--r-bg);border:1px solid var(--r-border);border-bottom:none;border-radius:16px 16px 0 0;padding:10px 14px 18px;transition:transform .28s cubic-bezier(.4,0,.2,1);max-height:70vh;overflow-y:auto}
.ac-sp.on{transform:translate(-50%,0)}
.ac-sp-handle{width:32px;height:3px;background:var(--r-muted);border-radius:2px;margin:0 auto 10px;opacity:.5}
.ac-sp h4{font-size:.7rem;font-weight:600;color:var(--r-muted);text-transform:uppercase;letter-spacing:.06em;margin:10px 0 6px}
.ac-sp h4:first-of-type{margin-top:0}

/* Theme swatches */
.ac-sp-themes{display:grid;grid-template-columns:repeat(auto-fill,minmax(36px,1fr));gap:6px}
.ac-sp-th{display:flex;flex-direction:column;align-items:center;gap:3px;padding:4px 0;background:none;border:2px solid transparent;border-radius:8px;cursor:pointer;transition:all .15s;color:var(--r-text)}
.ac-sp-th:hover{border-color:var(--r-muted)}
.ac-sp-th.on{border-color:#16a34a}
.ac-sp-sw{width:32px;height:32px;border-radius:50%;border:1px solid rgba(128,128,128,.25);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;line-height:1}
.ac-sp-tn{font-size:9px;font-weight:500;opacity:.7}

/* Font buttons */
.ac-sp-fonts{display:grid;grid-template-columns:repeat(auto-fill,minmax(60px,1fr));gap:5px}
.ac-sp-fb{padding:6px 2px;border-radius:8px;background:var(--r-card);border:2px solid transparent;color:var(--r-text);cursor:pointer;font-size:11px;font-weight:500;transition:all .15s;text-align:center}
.ac-sp-fb:hover{border-color:var(--r-muted)}
.ac-sp-fb.on{border-color:#16a34a;background:rgba(22,163,106,.08)}

/* Slider row */
.ac-sp-sr{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.ac-sp-sr label{font-size:11px;font-weight:500;min-width:52px;color:var(--r-text)}
.ac-sp-sr input[type="range"]{flex:1;accent-color:#16a34a;height:4px}
.ac-sp-sr .ac-sp-sv{font-size:11px;font-weight:600;min-width:28px;text-align:center;color:var(--r-muted)}

/* Auto-scroll fixed bar */
.ac-as-bar{position:fixed;bottom:0;left:0;right:0;z-index:997;background:var(--r-bg);border-top:1px solid var(--r-border);padding:6px 14px;display:none;align-items:center;gap:10px}
.ac-as-bar.on{display:flex}
.ac-as-bar button{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;background:var(--r-card);border:1px solid var(--r-border);color:var(--r-text);cursor:pointer}
.ac-as-bar input[type="range"]{flex:1;accent-color:#16a34a}
.ac-as-bar .ac-as-lbl{font-size:11px;color:var(--r-muted);min-width:36px;text-align:center}

/* ── Lock gate ───────────────────────────────────────────── */
.ac-lk{position:relative;overflow:hidden;border-radius:10px;background:var(--r-card);border:1px solid var(--r-border);margin:0 1rem}
.ac-lk-tease{padding:20px;max-height:180px;overflow:hidden;position:relative;color:var(--r-muted);font-size:14px;line-height:1.65}
.ac-lk-tease::after{content:'';position:absolute;bottom:0;left:0;right:0;height:100px;background:linear-gradient(to top,var(--r-bg),transparent);pointer-events:none}
.ac-lk-box{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px 20px 32px;text-align:center}
.ac-lk-ico{width:48px;height:48px;color:var(--r-muted)}
.ac-lk-h{font-size:17px;font-weight:700}
.ac-lk-cost{display:flex;align-items:center;gap:6px;font-size:16px;font-weight:600;color:#fbbf24}
.ac-lk-desc{font-size:13px;color:var(--r-muted);max-width:360px}
.ac-paywall-preview{max-width:620px;margin:2px auto 0;padding:12px 14px;border:1px solid var(--r-border);border-radius:8px;background:rgba(255,255,255,.035);color:var(--r-muted);font-size:13px;line-height:1.65;text-align:left}
.ac-lk-bal{font-size:12px;color:var(--r-muted)}
.ac-lk-bals{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center}
.ac-lk-bals .ac-lk-bal{display:flex;align-items:center;gap:4px}
.ac-lk-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 24px;border-radius:8px;font-size:14px;font-weight:700;cursor:pointer;transition:all .2s;border:none}
.ac-lk-btn-u{background:linear-gradient(135deg,#f59e0b,#d97706);color:#1a1a2e}
.ac-lk-btn-u:hover{transform:translateY(-1px);box-shadow:0 3px 14px rgba(245,158,11,.25)}
.ac-lk-btn-u:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.ac-lk-btn-cookie{background:linear-gradient(135deg,#f472b6,#db2777);color:#fff}
.ac-lk-btn-cookie:hover{transform:translateY(-1px);box-shadow:0 3px 14px rgba(244,114,182,.25)}
.ac-lk-btn-cookie:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.ac-lk-btns{display:flex;flex-direction:column;gap:8px;align-items:center;width:100%}
.ac-lk-or{font-size:11px;color:var(--r-muted);text-transform:uppercase;letter-spacing:.5px}
.ac-lk-btn-login{background:var(--r-card-h);color:var(--r-text);text-decoration:none}
.ac-lk-btn-store{background:var(--r-card);color:#60a5fa;font-size:13px;padding:7px 16px;border-radius:7px;text-decoration:none;border:1px solid rgba(96,165,250,.2)}
.ac-lk-batch{display:none;width:min(100%,360px);padding:12px;border:1px solid var(--r-border);border-radius:10px;background:var(--r-card);box-sizing:border-box}
.ac-lk-batch.on{display:flex;flex-direction:column;gap:9px}
.ac-lk-batch-top{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;font-weight:700}
.ac-lk-step{display:flex;align-items:center;gap:8px}
.ac-lk-step button{width:28px;height:28px;border-radius:8px;border:1px solid var(--r-border);background:var(--r-card-h);color:var(--r-text);font-size:18px;line-height:1;cursor:pointer}
.ac-lk-step button:disabled{opacity:.45;cursor:not-allowed}
.ac-lk-step input{width:58px;height:28px;border-radius:8px;border:1px solid var(--r-border);background:var(--r-card);color:#fbbf24;font-size:14px;font-weight:800;text-align:center;box-sizing:border-box}
.ac-lk-batch-meta{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--r-muted);line-height:1.45}
.ac-lk-batch-total{color:#fbbf24;font-weight:800}
.ac-lk-batch-missing{color:#f87171}
.ac-lk-batch-actions{display:flex;flex-direction:column;gap:8px;align-items:center}

/* ── Tablet ──────────────────────────────────────────────── */
@media(max-width:1024px){
    .ac-r-wrap{max-width:100%}
    .ac-r-body{padding:1.5rem 1.5rem 3rem}
}
/* ── Mobile ──────────────────────────────────────────────── */
@media(max-width:639px){
    .ac-r-hdr{padding:8px 10px}
    .ac-r-ttl{font-size:.74rem;max-width:50%}
    .ac-r-nav a,.ac-r-nav button{width:30px;height:30px;border-radius:7px}
    .ac-r-nav svg{width:14px;height:14px}
    .ac-r-body{padding:1rem 14px 2.5rem}
    .ac-r-chapter-name{font-size:22px;line-height:30px;margin:0 0 1.25rem}
    .ac-r-body p{text-align:left;margin:0 0 1.2em}
    .ac-r-ftr{padding:0 14px 4rem}
    .ac-r-fbtn{padding:10px;font-size:.8rem;border-radius:8px}
    .ac-sp{max-width:100%;border-radius:14px 14px 0 0;padding:8px 12px 16px}
    .ac-sp-themes{grid-template-columns:repeat(6,1fr);gap:4px}
    .ac-sp-sw{width:28px;height:28px;font-size:11px}
    .ac-sp-tn{font-size:8px}
    .ac-sp-fonts{grid-template-columns:repeat(4,1fr);gap:4px}
    .ac-sp-fb{font-size:10px;padding:5px 2px}
    .ac-lk-box{padding:20px 14px 24px}
    .ac-lk-ico{width:40px;height:40px}
    .ac-lk-h{font-size:15px}
    .ac-lk-btn{padding:9px 20px;font-size:13px}
    /* Side chapter list mobile: full-width drawer */
    .ac-cl{max-width:100%;border-radius:14px 14px 0 0}
}

/* ── Mistranslation report modal ─────────────────────────── */
.ac-mr textarea{min-height:70px;resize:vertical}
.ac-mr .ac-modal-field-label{margin-top:10px}
.ac-mr .ac-modal-field-label:first-child{margin-top:0}
.ac-mr .ac-mr-sel{background:var(--r-card);border:1px solid var(--r-border);border-radius:8px;padding:8px 10px;font-size:12px;color:var(--r-muted);margin-bottom:10px;word-break:break-word;max-height:60px;overflow-y:auto}

/* ── Side chapter list panel ─────────────────────────────── */
.ac-cl-bg{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:996;opacity:0;pointer-events:none;transition:opacity .2s}
.ac-cl-bg.on{opacity:1;pointer-events:auto}
.ac-cl{position:fixed;bottom:0;left:50%;z-index:997;width:100%;max-width:420px;transform:translate(-50%,100%);background:var(--r-bg);border:1px solid var(--r-border);border-bottom:none;border-radius:16px 16px 0 0;transition:transform .28s cubic-bezier(.4,0,.2,1);max-height:70vh;display:flex;flex-direction:column;overflow:hidden}
.ac-cl.on{transform:translate(-50%,0)}
.ac-cl-handle{width:32px;height:3px;background:var(--r-muted);border-radius:2px;margin:8px auto 0;opacity:.5}
.ac-cl-hdr{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--r-border);gap:8px;flex-shrink:0}
.ac-cl-hdr h4{font-size:.75rem;font-weight:600;color:var(--r-muted);text-transform:uppercase;letter-spacing:.05em;margin:0}
.ac-cl-search{flex:1;background:var(--r-card);border:1px solid var(--r-border);border-radius:8px;padding:6px 10px;font-size:12px;color:var(--r-text);font-family:inherit;outline:none}
.ac-cl-search::placeholder{color:var(--r-muted)}
.ac-cl-list{overflow-y:auto;flex:1;padding:4px 0}
.ac-cl-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;text-decoration:none;color:var(--r-text);font-size:13px;transition:background .12s;gap:8px}
.ac-cl-item:hover{background:var(--r-card)}
.ac-cl-item.current{background:rgba(22,163,106,.1);border-left:3px solid #16a34a}
.ac-cl-item .ac-cl-lbl{font-weight:500;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ac-cl-item .ac-cl-lock{color:#fbbf24;font-size:11px;display:flex;align-items:center;gap:3px;flex-shrink:0}
.ac-cl-pager{min-height:46px;padding:7px 10px;border-top:1px solid var(--r-border);display:flex;align-items:center;justify-content:space-between;gap:8px;flex-shrink:0;color:var(--r-muted);font-size:11px}
.ac-cl-pager[hidden]{display:none}
.ac-cl-pager button{width:32px;height:32px;border-radius:7px;border:1px solid var(--r-border);background:var(--r-card);color:var(--r-text);font-size:20px;line-height:1;cursor:pointer}
.ac-cl-pager button:hover:not(:disabled){background:var(--r-card-h)}
.ac-cl-pager button:disabled{opacity:.35;cursor:not-allowed}
@media(min-width:1024px){
    .ac-cl{max-width:380px;right:0;left:auto;transform:translateX(100%);border-radius:16px 0 0 16px;border-right:none;border-bottom:1px solid var(--r-border);bottom:auto;top:0;max-height:100vh}
    .ac-cl.on{transform:translateX(0)}
    .ac-cl-handle{display:none}
}

/* ── TTS paragraph highlight ─────────────────────────────── */
.ac-r-body p.ac-tts-active{background:rgba(99,175,245,.12);border-radius:4px;margin-left:-6px;margin-right:-6px;padding-left:6px;padding-right:6px;outline:2px solid rgba(99,175,245,.25);outline-offset:2px;transition:background .2s}

/* ── TTS floating controls ───────────────────────────────── */
.ac-tts-bar{position:fixed;bottom:0;left:0;right:0;z-index:996;background:var(--r-bg);border-top:1px solid var(--r-border);padding:8px 14px;display:none;flex-direction:column;gap:6px}
.ac-tts-bar.on{display:flex}
.ac-tts-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.ac-tts-row button{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;background:var(--r-card);border:1px solid var(--r-border);color:var(--r-text);cursor:pointer;flex-shrink:0}
.ac-tts-row button:hover{background:var(--r-card-h)}
.ac-tts-row button.active{background:rgba(99,175,245,.15);border-color:rgba(99,175,245,.3);color:#63aff5}
.ac-tts-row svg{width:14px;height:14px}
.ac-tts-voice{flex:1;min-width:100px;max-width:180px;height:30px;border-radius:6px;background:var(--r-card);border:1px solid var(--r-border);color:var(--r-text);font-size:11px;font-family:inherit;padding:0 6px;outline:none;cursor:pointer}
.ac-tts-slider{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--r-muted)}
.ac-tts-slider label{min-width:36px;font-weight:500}
.ac-tts-slider input[type=range]{width:80px;accent-color:#63aff5;height:3px}
.ac-tts-slider .val{min-width:24px;text-align:center;font-weight:600}
.ac-tts-para-info{font-size:10px;color:var(--r-muted);margin-left:auto;white-space:nowrap}
@media(max-width:639px){
    .ac-tts-voice{max-width:120px}
    .ac-tts-slider input[type=range]{width:60px}
    .ac-tts-row{gap:5px}
}

/* ── Custom highlighting (overrides content protection) ──── */
.ac-r-body{-webkit-user-select:text!important;user-select:text!important;-webkit-user-drag:none}
.ac-r-body::selection{background:rgba(234,179,8,.3);color:inherit}
.ac-r-body *::selection{background:rgba(234,179,8,.3);color:inherit}

/* ── Toast notification ──────────────────────────────────── */
.ac-toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%) translateY(10px);z-index:9999;background:var(--r-bg);border:1px solid var(--r-border);border-radius:10px;padding:8px 16px;font-size:12px;font-weight:600;color:var(--r-text);box-shadow:0 4px 16px rgba(0,0,0,.3);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;white-space:nowrap}
.ac-toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* ── Finish-chapter rating prompt ────────────────────────── */
.ac-fr-stars{display:flex;align-items:center;justify-content:center;gap:4px;margin:8px 0 10px}
.ac-fr-star{width:34px;height:34px;border:none;background:none;color:rgba(255,255,255,.22);cursor:pointer;padding:0;transition:color .14s,transform .14s}
.ac-fr-star svg{width:100%;height:100%;fill:currentColor}
.ac-fr-star:hover{transform:translateY(-1px)}
.ac-fr-star.is-active,.ac-fr-star.is-hover{color:#facc15}
.ac-fr-msg{min-height:16px;font-size:11px;color:var(--r-muted);text-align:center}
.ac-fr-cta{margin-top:12px;width:100%}

/* ── Text selection toolbar ──────────────────────────────── */
.ac-sel-bar{position:absolute;z-index:9997;display:none;background:var(--r-bg);border:1px solid var(--r-border);border-radius:10px;padding:4px;box-shadow:0 4px 16px rgba(0,0,0,.25);gap:2px}
.ac-sel-bar.on{display:flex}
.ac-sel-bar button{display:flex;align-items:center;gap:5px;padding:6px 10px;border-radius:6px;background:none;border:none;color:var(--r-text);font-size:11px;font-weight:600;cursor:pointer;white-space:nowrap;font-family:inherit}
.ac-sel-bar button:hover{background:var(--r-card-h)}
.ac-sel-bar button svg{width:13px;height:13px;flex-shrink:0}

/* ── Reading progress resume banner ──────────────────────── */
.ac-resume-bar{position:fixed;bottom:12px;left:50%;transform:translateX(-50%);z-index:995;background:var(--r-bg);border:1px solid var(--r-border);border-radius:10px;padding:8px 14px;display:none;align-items:center;gap:10px;box-shadow:0 4px 16px rgba(0,0,0,.3);font-size:12px;color:var(--r-text);max-width:320px}
.ac-resume-bar.on{display:flex}
.ac-resume-bar button{padding:5px 12px;border-radius:6px;border:none;font-size:11px;font-weight:600;cursor:pointer;font-family:inherit}
.ac-resume-go{background:#63aff5;color:#fff}
.ac-resume-no{background:var(--r-card);color:var(--r-muted)}