/* ============================================
   OFFLINE MANAGER v3 — Pro Panel
   ============================================ */

/* ── PANEL OVERLAY ── */
.bj-offline-panel { position:fixed; inset:0; z-index:10000; opacity:0; transition:opacity .3s; pointer-events:none; }
.bj-offline-panel.active { opacity:1; pointer-events:auto; }
.bjop-backdrop { position:absolute; inset:0; background:rgba(0,0,0,.55); }

.bjop-sheet {
    position: absolute; bottom: 0; left: 0; right: 0;
    max-height: 88vh; overflow-y: auto;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    transform: translateY(100%);
    transition: transform .4s cubic-bezier(.4,0,.2,1);
}
.bj-offline-panel.active .bjop-sheet { transform: translateY(0); }

/* ── HEADER ── */
.bjop-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid var(--border-subtle);
    position: sticky; top: 0; background: var(--bg-secondary); z-index: 2;
}
.bjop-header strong { display:block; color:var(--text-primary); font-family:var(--font-display); font-size:1.05rem; }
.bjop-header button { background:none; border:none; color:var(--text-muted); font-size:1.4rem; cursor:pointer; padding:4px; line-height:1; }
.bjop-status { display:block; font-size:.75rem; margin-top:2px; color:var(--text-muted); }
.bjop-status--partial { color:var(--accent-gold); }
.bjop-status--full { color:#43e97b; }

/* ── QUICK ACTIONS ── */
.bjop-quick {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .5rem;
    padding: 1rem 1.4rem;
}

.bjop-action {
    display: flex; align-items: center; gap: .7rem;
    padding: .75rem .9rem;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}
.bjop-action:hover { background:rgba(255,255,255,.08); border-color:rgba(102,126,234,.3); }
.bjop-action i { font-size:1.1rem; color:var(--accent-purple); flex-shrink:0; }
.bjop-action strong { display:block; font-size:.82rem; }
.bjop-action span { display:block; font-size:.68rem; color:var(--text-muted); font-weight:400; }

.bjop-action--all {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(102,126,234,.12) 0%, rgba(118,75,162,.12) 100%);
    border-color: rgba(102,126,234,.25);
}
.bjop-action--all:hover { border-color:rgba(102,126,234,.5); box-shadow:0 4px 15px rgba(102,126,234,.12); }

/* ── GLOBAL PROGRESS ── */
.bjop-gprog {
    padding: .6rem 1.4rem;
    background: rgba(102,126,234,.06);
    border-top: 1px solid rgba(102,126,234,.1);
    border-bottom: 1px solid rgba(102,126,234,.1);
}
.bjop-gprog span { display:block; font-size:.78rem; color:var(--text-secondary); margin-bottom:4px; text-align:center; }
.bjop-gprog-bar { height:5px; background:rgba(255,255,255,.06); border-radius:3px; overflow:hidden; }
.bjop-gprog-fill { height:100%; background:var(--gradient-primary); border-radius:3px; transition:width .3s ease; width:0%; }

/* ── TABS ── */
.bjop-tabs {
    display: flex; gap: 0;
    padding: 0 1.4rem;
    border-bottom: 1px solid var(--border-subtle);
    position: sticky; top: 58px; background: var(--bg-secondary); z-index: 1;
}
.bjop-tab {
    flex: 1;
    padding: .7rem .5rem;
    background: none; border: none; border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-family: var(--font-body); font-size: .82rem; font-weight: 600;
    cursor: pointer; transition: all var(--transition-fast);
    text-align: center;
}
.bjop-tab:hover { color: var(--text-primary); }
.bjop-tab.active { color: var(--accent-purple); border-bottom-color: var(--accent-purple); }
.bjop-tab small { font-weight: 400; opacity: .6; }

/* ── BOOKS GRID ── */
.bjop-books {
    padding: .5rem 1.4rem 1rem;
    max-height: 45vh;
    overflow-y: auto;
}

.bjop-book {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .65rem .5rem;
    border-bottom: 1px solid rgba(255,255,255,.04);
    transition: background var(--transition-fast);
}
.bjop-book:last-child { border-bottom: none; }
.bjop-book:hover { background: rgba(255,255,255,.03); }

.bjop-book__info { display:flex; align-items:center; gap:.65rem; flex:1; min-width:0; }

.bjop-book__abbr {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(102,126,234,.1);
    border-radius: var(--radius-sm);
    color: var(--accent-purple);
    font-family: var(--font-display); font-size: .75rem; font-weight: 700;
    flex-shrink: 0;
}

.bjop-book__meta strong { display:block; font-size:.82rem; color:var(--text-primary); font-weight:600; }
.bjop-book__meta span { display:block; font-size:.68rem; color:var(--text-muted); }

.bjop-book__right { display:flex; align-items:center; gap:.5rem; flex-shrink:0; }

/* Badge de status */
.bjop-book__badge { font-size:.65rem; color:var(--text-muted); min-width:40px; text-align:right; }
.bjop-book__badge--done { color:#43e97b; font-weight:700; }
.bjop-book__badge--partial { color:var(--accent-gold); }
.bjop-book__badge--loading { color:var(--accent-purple); }
.bjop-book__badge--error { color:#f5576c; }

/* Botão download/delete */
.bjop-book__btn {
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(102,126,234,.1);
    border: none; border-radius: 50%;
    color: var(--accent-purple);
    font-size: .85rem; cursor: pointer;
    transition: all var(--transition-fast);
}
.bjop-book__btn:hover { background:rgba(102,126,234,.2); transform:scale(1.1); }
.bjop-book__btn:disabled { opacity:.4; cursor:default; transform:none; }
.bjop-book__btn--delete { background:rgba(245,87,108,.08); color:#f5576c; }
.bjop-book__btn--delete:hover { background:rgba(245,87,108,.15); }

/* Row states */
.bjop-book--done { opacity:.75; }
.bjop-book--done:hover { opacity:1; }
.bjop-book--done .bjop-book__abbr { background:rgba(67,233,123,.1); color:#43e97b; }
.bjop-book--downloading { background:rgba(102,126,234,.04); }

/* ── FOOTER ── */
.bjop-footer {
    padding: .8rem 1.4rem;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}
.bjop-clear {
    background: none; border: none;
    color: var(--text-muted); font-family: var(--font-body);
    font-size: .78rem; cursor: pointer;
    transition: color var(--transition-fast);
}
.bjop-clear:hover { color: #f5576c; }
.bjop-clear i { margin-right: 4px; }

/* ── BOTÃO NA PÁGINA DO LIVRO ── */
.bj-offline-dl-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: .5rem 1rem; margin-top: var(--space-md);
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-family: var(--font-body); font-size: .82rem; font-weight: 500;
    cursor: pointer; transition: all var(--transition-fast);
}
.bj-offline-dl-btn:hover { background:rgba(102,126,234,.1); border-color:rgba(102,126,234,.3); color:var(--accent-purple); }

/* ── EXPLICAÇÃO INLINE ── */
.bjop-explain {
    display: flex; align-items: flex-start; gap: .6rem;
    padding: .7rem 1.4rem;
    background: rgba(102,126,234,.06);
    border-bottom: 1px solid rgba(102,126,234,.08);
}
.bjop-explain i { color:var(--accent-purple); font-size:.8rem; margin-top:2px; flex-shrink:0; opacity:.7; }
.bjop-explain span { font-size:.75rem; color:var(--text-secondary); line-height:1.4; }

/* ── LOGIN GATE ── */
.bjop-login-gate {
    padding: 2.5rem 1.5rem;
    text-align: center;
}
.bjop-gate-icon {
    width: 64px; height: 64px; margin: 0 auto 1.2rem;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(102,126,234,.15), rgba(118,75,162,.15));
    border-radius: 50%;
    color: var(--accent-purple); font-size: 1.5rem;
}
.bjop-login-gate h3 {
    color: var(--text-primary); font-family: var(--font-display);
    font-size: 1.15rem; font-weight: 700; margin-bottom: .5rem;
}
.bjop-login-gate p {
    color: var(--text-secondary); font-size: .88rem;
    line-height: 1.5; max-width: 340px; margin: 0 auto 1.5rem;
}
.bjop-gate-features {
    display: flex; flex-direction: column; gap: .6rem;
    max-width: 300px; margin: 0 auto 1.8rem;
    text-align: left;
}
.bjop-gate-feat {
    display: flex; align-items: center; gap: .6rem;
    font-size: .82rem; color: var(--text-primary);
}
.bjop-gate-feat i {
    color: var(--accent-purple); font-size: .85rem;
    width: 20px; text-align: center; flex-shrink: 0;
}
.bjop-gate-btn {
    display: block; width: 100%; max-width: 300px; margin: 0 auto .6rem;
    padding: .85rem 1.5rem;
    border-radius: var(--radius-full);
    font-family: var(--font-body); font-size: .9rem; font-weight: 600;
    text-decoration: none; text-align: center;
    cursor: pointer; transition: all var(--transition-base);
}
.bjop-gate-btn--primary {
    background: var(--gradient-primary); color: #fff; border: none;
    box-shadow: 0 4px 15px rgba(102,126,234,.3);
}
.bjop-gate-btn--primary:hover {
    box-shadow: 0 6px 25px rgba(102,126,234,.4);
    transform: translateY(-1px);
}
.bjop-gate-btn--secondary {
    background: rgba(255,255,255,.05); color: var(--text-secondary);
    border: 1px solid rgba(255,255,255,.1);
}
.bjop-gate-btn--secondary:hover { background:rgba(255,255,255,.1); color:var(--text-primary); }

/* ── OFFLINE INDICATOR ── */
.bj-offline-mode .site-header::after {
    content:'Modo Offline'; position:absolute; bottom:0; left:0; right:0;
    background:linear-gradient(135deg,#f5af19,#f12711);
    color:#fff; text-align:center; font-size:.65rem; font-weight:600;
    padding:2px; letter-spacing:.04em; text-transform:uppercase;
}

/* ── LIGHT THEME ── */
[data-theme="light"] .bjop-sheet { background:#fff; }
[data-theme="light"] .bjop-header { background:#fff; }
[data-theme="light"] .bjop-tabs { background:#fff; }
[data-theme="light"] .bjop-action { background:rgba(0,0,0,.02); border-color:rgba(0,0,0,.08); }
[data-theme="light"] .bjop-action--all { background:rgba(102,126,234,.06); }
[data-theme="light"] .bjop-book:hover { background:rgba(0,0,0,.02); }
[data-theme="light"] .bjop-book__btn { background:rgba(102,126,234,.08); }
[data-theme="light"] .bj-offline-dl-btn { background:rgba(0,0,0,.03); border-color:rgba(0,0,0,.1); }
[data-theme="light"] .bjop-explain { background:rgba(102,126,234,.04); }
[data-theme="light"] .bjop-gate-btn--secondary { background:rgba(0,0,0,.03); border-color:rgba(0,0,0,.08); }

/* ── MOBILE ── */
@media (max-width: 480px) {
    .bjop-quick { grid-template-columns:1fr; }
    .bjop-action--all { grid-column:auto; }
    .bjop-books { max-height:40vh; }
}