:root{
  --paper:#f1eadc;--paper-2:#e9dfce;--ink:#2c2923;--muted:#716b61;
  --line:rgba(70,61,49,.17);--panel:rgba(255,252,245,.72);--shadow:0 14px 38px rgba(52,45,35,.12);--accent:#5b6759;
}
*{box-sizing:border-box} html,body{margin:0;min-height:100%;font-family:Georgia,'Times New Roman',serif;color:var(--ink)}
html{background:var(--paper-2)}
body{background:radial-gradient(circle at 20% 10%,rgba(255,255,255,.28) 0 1px,transparent 1.2px) 0 0/8px 8px,linear-gradient(135deg,var(--paper),var(--paper-2));}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.13;background-image:repeating-linear-gradient(0deg,rgba(80,65,45,.07) 0,rgba(80,65,45,.07) 1px,transparent 1px,transparent 4px)}
button,input,select{font:inherit} button{color:inherit}
.app{max-width:1120px;margin:0 auto;padding:32px 30px 74px;min-height:100vh}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:38px}
.brand{font-size:17px;letter-spacing:.14em;text-transform:uppercase}.brand small{display:block;font:11px system-ui,sans-serif;text-transform:none;letter-spacing:0;color:var(--muted);margin-top:5px}
.actions{display:flex;gap:9px}.btn,.icon-btn{border:1px solid var(--line);background:rgba(255,255,255,.48);padding:10px 14px;border-radius:999px;cursor:pointer}.btn.primary{background:var(--ink);color:#f7f1e5;border-color:var(--ink)}
.section-label{font:11px system-ui,sans-serif;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:10px}
.continue-wrap{margin-bottom:42px}.continue-card{max-width:780px;border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);border-radius:26px;padding:25px;display:flex;gap:26px;align-items:center}.cover{aspect-ratio:2/3;border-radius:8px;box-shadow:0 12px 24px rgba(25,25,25,.20);position:relative;overflow:hidden;flex:0 0 auto}.cover-main{width:126px;background:linear-gradient(145deg,#53605c,#29322f)}.cover span{position:absolute;left:15px;right:12px;bottom:20px;color:#f4f1e9;font-size:17px;line-height:1.08}.continue-copy{flex:1;min-width:0}h1,h2,h3,p{margin-top:0}h1{font-size:31px;line-height:1.08;margin-bottom:9px;font-weight:500}.meta{font:12px system-ui,sans-serif;color:var(--muted);margin-bottom:0}.progress{height:3px;background:rgba(44,41,35,.12);border-radius:4px;margin:22px 0 11px;overflow:hidden}.progress>i{display:block;height:100%;width:63%;background:var(--accent)}.resume-row{display:flex;justify-content:space-between;align-items:center;gap:16px}
.library-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:12px}.library-head h2{font-size:24px;font-weight:500;margin:0}.sort-control{display:flex;align-items:center;gap:8px;font:12px system-ui,sans-serif;color:var(--muted)}.sort-control select{border:1px solid var(--line);background:rgba(255,255,255,.35);border-radius:999px;padding:7px 28px 7px 10px;color:var(--ink)}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}.chip{border:1px solid var(--line);background:transparent;border-radius:999px;padding:7px 11px;font:12px system-ui,sans-serif;color:var(--muted);cursor:pointer}.chip.active{background:rgba(44,41,35,.08);color:var(--ink)}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.book{border:1px solid var(--line);background:rgba(255,255,255,.30);border-radius:18px;padding:15px;min-height:170px;display:flex;flex-direction:column;justify-content:space-between;cursor:pointer}.book:hover{background:rgba(255,255,255,.44)}.book:focus-visible{outline:3px solid rgba(91,103,89,.42);outline-offset:3px;background:rgba(255,255,255,.50)}.book[aria-disabled="true"]{cursor:default}.book h3{font-size:16px;font-weight:500;line-height:1.2;margin-bottom:7px}.book p{font:12px system-ui,sans-serif;color:var(--muted)}.status{display:grid;grid-template-columns:auto 1fr auto;align-items:center;font:11px system-ui,sans-serif;color:var(--muted);gap:9px}.mini-progress{height:2px;background:rgba(44,41,35,.12)}.mini-progress i{display:block;height:100%;background:var(--accent)}.library-empty{padding:32px;border:1px dashed var(--line);border-radius:18px;text-align:center;font:13px system-ui,sans-serif;color:var(--muted)}
.note{margin-top:28px;border-top:1px solid var(--line);padding-top:16px;font:12px/1.55 system-ui,sans-serif;color:var(--muted)}
.scrim{position:fixed;inset:0;z-index:20;background:rgba(32,29,24,.40);backdrop-filter:blur(3px);display:grid;place-items:center;padding:18px}.scrim[hidden]{display:none}.drive-sheet{width:min(760px,100%);max-height:min(720px,calc(100vh - 36px));display:flex;flex-direction:column;border:1px solid var(--line);background:#f4eddf;border-radius:24px;box-shadow:0 25px 80px rgba(20,18,15,.27);overflow:hidden}.drive-head{display:flex;align-items:flex-start;justify-content:space-between;padding:23px 24px 14px}.drive-head h2{font-size:24px;font-weight:500;margin:0}.close-btn{border:0;background:transparent;font-size:27px;line-height:1;cursor:pointer;color:var(--muted);padding:2px 5px}.drive-toolbar{display:flex;gap:12px;align-items:center;padding:0 24px 14px}.breadcrumbs{display:flex;align-items:center;gap:4px;white-space:nowrap}.breadcrumbs button{border:0;background:transparent;padding:5px;font:12px system-ui,sans-serif;color:var(--ink);cursor:pointer}.breadcrumbs span{color:var(--muted)}.drive-search{min-width:0;flex:1;border:1px solid var(--line);background:rgba(255,255,255,.48);border-radius:999px;padding:9px 12px;font:12px system-ui,sans-serif;color:var(--ink)}.drive-status{display:flex;justify-content:space-between;padding:8px 24px;border-block:1px solid var(--line);font:11px system-ui,sans-serif;color:var(--muted)}.drive-list{overflow:auto;min-height:220px;padding:5px 12px}.drive-row{display:grid;grid-template-columns:28px 1fr auto;gap:10px;align-items:center;padding:11px 12px;border-radius:12px}.drive-row:hover{background:rgba(255,255,255,.42)}.drive-row input{width:16px;height:16px}.drive-file-main{min-width:0}.drive-file-main strong{display:block;font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.drive-file-main span,.drive-badge{font:11px system-ui,sans-serif;color:var(--muted)}.drive-row.unsupported{opacity:.46}.drive-row.in-library{opacity:.62}.drive-footer{border-top:1px solid var(--line);padding:14px 24px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px}.drive-footer p{font:11px/1.4 system-ui,sans-serif;color:var(--muted);margin:0;max-width:410px}.drive-actions{display:flex;gap:8px;white-space:nowrap}.btn:disabled{opacity:.4;cursor:not-allowed}.toast{position:fixed;z-index:30;left:50%;bottom:max(22px,env(safe-area-inset-bottom));transform:translateX(-50%);background:#2c2923;color:#f7f1e5;padding:10px 14px;border-radius:999px;font:12px system-ui,sans-serif;box-shadow:0 8px 25px rgba(20,18,15,.18)}.toast[hidden]{display:none}
@media(max-width:800px){.app{padding:22px 18px 66px}.continue-card{max-width:none;padding:19px;gap:18px}.cover-main{width:96px}h1{font-size:26px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.drive-sheet{max-height:calc(100vh - 18px)}.scrim{padding:9px}.drive-toolbar{align-items:stretch;flex-direction:column}.drive-footer{align-items:stretch;flex-direction:column}.drive-actions{justify-content:flex-end}}
@media(max-width:430px){.topbar{align-items:flex-start;margin-bottom:30px}.brand{font-size:14px}.icon-btn{font-size:0;width:38px;height:38px;padding:0;position:relative}.icon-btn:before{content:'⌕';font-size:20px;position:absolute;inset:0;display:grid;place-items:center}.btn{padding:9px 11px;font-size:13px}.continue-card{border-radius:20px}.cover-main{width:82px}.continue-copy h1{font-size:21px}.resume-row{align-items:flex-start;flex-direction:column;gap:10px}.library-head{align-items:flex-start}.sort-control{align-items:flex-end;flex-direction:column;gap:3px}.filters{overflow:auto;flex-wrap:nowrap;width:100%;padding-bottom:3px}.chip{white-space:nowrap}.grid{grid-template-columns:1fr 1fr;gap:9px}.book{padding:12px;min-height:150px}.book h3{font-size:14px}.drive-head,.drive-toolbar,.drive-footer{padding-left:17px;padding-right:17px}.drive-status{padding-left:17px;padding-right:17px}}
.drive-connection{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:rgba(255,255,255,.28);border-radius:16px;padding:10px 13px;margin:-18px 0 30px;font:12px system-ui,sans-serif;color:var(--muted)}.drive-connection strong{display:block;color:var(--ink);font-weight:600}.drive-connection span{display:block;margin-top:2px}.drive-dot{width:8px;height:8px;border-radius:50%;background:#9a8f7d;flex:0 0 auto}.drive-connection.ready .drive-dot{background:#60725f}.drive-connection.setup-needed{border-style:dashed}.library-search-row{display:flex;gap:8px;margin:0 0 14px}.library-search-row[hidden]{display:none}.library-search-row input{flex:1;min-width:0;border:1px solid var(--line);background:rgba(255,255,255,.42);border-radius:999px;padding:10px 13px;color:var(--ink);font:13px system-ui,sans-serif}.book.source-problem{border-style:dashed}.source-detail{font-size:11px!important;line-height:1.35!important;margin-bottom:10px!important}.source-action{margin-top:10px;border:1px solid var(--line);background:rgba(255,255,255,.42);border-radius:999px;padding:6px 9px;font:11px system-ui,sans-serif;cursor:pointer}.source-action:hover{background:rgba(255,255,255,.65)}
@media(max-width:560px){#refreshDriveBtn{display:none}.drive-connection{margin-top:-12px}.library-search-row{align-items:stretch}}
.library-more{display:flex;align-items:center;justify-content:center;gap:12px;margin:18px 0 0;font:11px system-ui,sans-serif;color:var(--muted)}

.library-origin-note{margin:.3rem 0 0;color:var(--muted,#746f66);font-size:.82rem;max-width:46rem}

/* P6 source recovery / removal: compact secondary actions so management does not dominate reading. */
.book-actions-row{display:flex;gap:.45rem;justify-content:flex-end;align-items:center;flex-wrap:wrap;margin-top:.55rem}
.book-remove-action{border:0;background:transparent;color:var(--muted,#766f64);font:inherit;font-size:.82rem;padding:.3rem .15rem;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.book-remove-action:hover,.book-remove-action:focus-visible{color:var(--ink,#292720)}
.book-remove-action:disabled,.source-action:disabled{opacity:.5;cursor:default}

/* P6 metadata/cover enrichment: generated, bounded visual covers; no cover binary is persisted in book records. */
.book-summary{display:grid;grid-template-columns:58px minmax(0,1fr);gap:12px;align-items:start}.book-copy{min-width:0}
.library-cover{width:58px;aspect-ratio:2/3;border-radius:6px;box-shadow:0 7px 14px rgba(25,25,25,.16);padding:7px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;background:linear-gradient(145deg,#53605c,#29322f);color:#f6f1e8}
.library-cover span{font-size:10px;line-height:1.12;overflow-wrap:anywhere}.library-cover small{font:8px system-ui,sans-serif;letter-spacing:.12em;opacity:.72}
.library-cover[data-tone="1"],.cover[data-tone="1"]{background:linear-gradient(145deg,#67584d,#382f2a)}
.library-cover[data-tone="2"],.cover[data-tone="2"]{background:linear-gradient(145deg,#596273,#303641)}
.library-cover[data-tone="3"],.cover[data-tone="3"]{background:linear-gradient(145deg,#6b6350,#393429)}
.library-cover[data-tone="4"],.cover[data-tone="4"]{background:linear-gradient(145deg,#59685c,#303a32)}
.library-cover[data-tone="5"],.cover[data-tone="5"]{background:linear-gradient(145deg,#665667,#382f39)}
.cover-meta{font-size:10px!important;margin:-1px 0 7px!important;opacity:.78}
@media(max-width:430px){.book-summary{grid-template-columns:44px minmax(0,1fr);gap:9px}.library-cover{width:44px;padding:5px}.library-cover span{font-size:8px}}


/* P7C-3 appData sync: explicit, non-destructive status surface. */
.sync-status-card{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid var(--line);background:rgba(255,255,255,.28);border-radius:16px;padding:12px 13px;margin:-20px 0 30px;font:12px system-ui,sans-serif;color:var(--muted)}
.sync-status-copy{min-width:0}.sync-status-copy strong{display:block;color:var(--ink);font-weight:600}.sync-status-copy>span{display:block;margin-top:2px;line-height:1.4}.sync-status-card.sync-ok{border-color:rgba(85,112,83,.38)}.sync-status-card.sync-review{border-style:dashed;border-color:rgba(140,92,49,.48)}.sync-status-card.sync-error{border-color:rgba(137,72,66,.4)}
.sync-conflicts{margin-top:8px;padding-top:7px;border-top:1px solid var(--line);font-size:11px;line-height:1.45}.sync-conflicts ul{margin:4px 0 0;padding-left:18px}.sync-conflicts strong{display:inline;font-weight:600}.sync-status-card .btn{flex:0 0 auto}
@media(max-width:560px){.sync-status-card{align-items:stretch;flex-direction:column;margin-top:-22px}.sync-status-card .btn{align-self:flex-start}}
.sync-conflicts li{margin:.35rem 0}.sync-choice-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:5px}.sync-choice-actions button{border:1px solid var(--line);background:rgba(255,255,255,.4);border-radius:999px;padding:4px 8px;color:var(--ink);font:11px system-ui,sans-serif;cursor:pointer}.sync-choice-actions button.selected{outline:2px solid rgba(85,112,83,.38);background:rgba(85,112,83,.12)}.sync-apply-choices{margin-top:7px}

/* v0.26 G-PREDEPLOY P2 — mobile pointer/touch targets found during rendered user-journey review. */
.sync-choice-actions button{min-height:34px;padding:7px 10px}
.source-action{min-height:36px;padding:7px 10px}
.book-remove-action{min-height:36px;padding:.5rem .3rem}


/* Temporary diagnostic test mode — hidden unless explicitly enabled. */
.diagnostic-panel{position:fixed;z-index:80;left:14px;right:14px;bottom:max(14px,env(safe-area-inset-bottom));max-width:620px;margin:auto;padding:12px 14px;border:1px solid rgba(70,61,49,.22);border-radius:16px;background:rgba(250,246,237,.96);box-shadow:0 14px 45px rgba(40,35,28,.22);font:11px/1.35 system-ui,sans-serif}.diagnostic-panel[hidden]{display:none}.diagnostic-panel>div:first-child{display:flex;justify-content:space-between;gap:12px;align-items:center}.diagnostic-panel strong{font-size:12px}.diagnostic-panel span{color:var(--muted)}.diagnostic-meta{display:flex;gap:12px;margin-top:4px}.diagnostic-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}.diagnostic-actions button{border:1px solid var(--line);background:rgba(255,255,255,.5);border-radius:999px;padding:6px 9px;font:11px system-ui,sans-serif;cursor:pointer}.diagnostic-actions button:disabled{opacity:.4;cursor:default}