/* ──────────────────────────────────────────────────────────────
   NCC Library mobile-first storefront styles
   Brand CSS variables (--brand, --brand-dark, --brand-light, --accent)
   are injected inline by App\Services\Branding::cssBlock().
   ────────────────────────────────────────────────────────────── */
:root{
  --ink:#1a1730;
  --muted:#6b6880;
  --line:#ece9f5;
  --bg:#f6f5fb;
  --card:#ffffff;
  --star:#ffb020;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 6px 24px rgba(31,20,80,.08);
  --shadow-sm:0 2px 10px rgba(31,20,80,.06);
  --shell:540px;
  --shell-pad:16px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Miranda Sans','Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  font-size:15px;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}

/* PWA install and standalone presentation */
.pwa-install-banner{
  position:fixed;left:50%;bottom:calc(68px + env(safe-area-inset-bottom));z-index:70;
  width:min(524px,calc(100% - 12px));min-height:76px;transform:translateX(-50%);
  display:flex;align-items:center;gap:11px;padding:10px 10px 10px 12px;
  border:1px solid var(--line);border-radius:8px;background:#fff;
  box-shadow:0 12px 32px rgba(19,31,50,.2);animation:pwaInstallNudge .35s ease-out 1;
}
.pwa-install-banner[hidden],.pwa-install-banner [data-pwa-install][hidden]{display:none!important}
.pwa-install-banner__icon{width:48px;height:48px;flex:none;border-radius:8px;object-fit:cover}
.pwa-install-banner__copy{display:flex;flex:1;min-width:0;flex-direction:column}
.pwa-install-banner__copy strong{font-size:14px;line-height:1.25;color:var(--ink)}
.pwa-install-banner__copy span{margin-top:3px;color:var(--muted);font-size:11.5px;line-height:1.3}
.pwa-install-banner__action,.pwa-install-banner__dismiss{
  width:44px;height:44px;flex:none;border:0;border-radius:8px;display:grid;place-items:center;cursor:pointer;
}
.pwa-install-banner__action{background:var(--brand);color:#fff;font-size:20px;box-shadow:0 5px 14px rgba(64,157,15,.24)}
.pwa-install-banner__action:hover{background:var(--brand-dark)}
.pwa-install-banner__action:active{transform:scale(.96)}
.pwa-install-banner__dismiss{width:36px;background:transparent;color:#7b7f89;font-size:18px}
.pwa-install-banner__dismiss:hover{background:#f2f3f5;color:var(--ink)}
.pwa-install-modal{position:fixed;inset:0;z-index:110;display:none;align-items:flex-end;justify-content:center;padding:18px 12px calc(12px + env(safe-area-inset-bottom));background:rgba(12,18,30,.52);backdrop-filter:blur(7px)}
.pwa-install-modal.show{display:flex}
.pwa-modal-open{overflow:hidden}
.pwa-install-sheet{position:relative;width:100%;max-width:430px;max-height:min(760px,calc(100dvh - 30px));overflow:auto;padding:24px 20px 20px;border-radius:20px;background:#fff;box-shadow:0 24px 70px rgba(5,19,40,.28);text-align:center;animation:pwaSheetIn .28s ease-out}
.pwa-install-close{position:absolute;top:12px;right:12px;width:36px;height:36px;border:0;border-radius:50%;background:#eef1f5;color:var(--ink);font-size:16px;display:grid;place-items:center;cursor:pointer}
.pwa-install-mark{width:64px;height:64px;margin:2px auto 12px;border-radius:15px;overflow:hidden;box-shadow:0 8px 22px rgba(8,35,71,.18)}
.pwa-install-mark img{width:100%;height:100%;object-fit:cover}
.pwa-install-sheet h2{margin:0 38px 6px;font-size:21px;color:var(--ink)}
.pwa-install-sheet p{margin:0 auto 12px;max-width:330px;color:var(--muted);font-size:14px;line-height:1.5}
.pwa-install-waiting{display:none;padding:10px 0 2px}
.pwa-install-modal[data-mode="waiting"] .pwa-install-ios{display:none}
.pwa-install-modal[data-mode="waiting"] .pwa-install-waiting{display:block}
.ios-install-demo{display:block;width:min(100%,320px);height:auto;margin:4px auto 8px}
.ios-phone{fill:#111820}.ios-screen{fill:#f5f7fa}.ios-page{fill:#fff;stroke:#dfe4eb}.ios-line{fill:#d8dee8}.ios-line.short{fill:#e6eaf0}.ios-toolbar{fill:#fff;stroke:#dfe4eb}
.ios-share path{fill:none;stroke:#0878ff;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.ios-share circle{fill:none;stroke:#0878ff;stroke-width:3;opacity:0;animation:pwaSharePulse 3.2s ease-in-out infinite}
.ios-menu{opacity:0;animation:pwaMenuShow 3.2s ease-in-out infinite}.ios-menu rect{fill:#fff;stroke:#d8dee8;stroke-width:1.5}.ios-menu circle{fill:#0878ff}.ios-menu path:not(.ios-tap){fill:none;stroke:#fff;stroke-width:2.2;stroke-linecap:round}.ios-menu text{font:600 11px 'Miranda Sans',system-ui,sans-serif;fill:#1b2430}.ios-tap{fill:#fff;stroke:#172033;stroke-width:2;animation:pwaTap 3.2s ease-in-out infinite}
.pwa-install-steps{margin:4px 0 0;padding:0;list-style:none;text-align:left;counter-reset:pwa-step}
.pwa-install-steps li{counter-increment:pwa-step;position:relative;margin-top:8px;padding:10px 10px 10px 43px;border-radius:10px;background:#f5f7fa;color:var(--ink);font-size:13px;line-height:1.4}
.pwa-install-steps li::before{content:counter(pwa-step);position:absolute;left:10px;top:9px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:800;font-size:12px}
.pwa-splash{position:fixed;inset:0;z-index:200;display:none;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;background:#fff;color:#409D0F;font-size:22px;font-weight:800;opacity:1;transition:opacity .32s ease}
.pwa-splash.show{display:flex}.pwa-splash.hide{opacity:0}.pwa-splash img{width:min(72vw,340px);height:auto;object-fit:contain}.pwa-splash small{display:block;margin-top:3px;color:#6d7785;font-size:12px;font-weight:600;text-align:center}
@keyframes pwaSheetIn{from{transform:translateY(28px);opacity:0}to{transform:translateY(0);opacity:1}}
@keyframes pwaSharePulse{0%,24%,100%{opacity:0;transform:scale(.7);transform-origin:160px 186px}34%,48%{opacity:.8;transform:scale(1.05);transform-origin:160px 186px}58%{opacity:0}}
@keyframes pwaMenuShow{0%,45%,100%{opacity:0;transform:translateY(12px)}55%,92%{opacity:1;transform:translateY(0)}}
@keyframes pwaTap{0%,58%,100%{transform:translate(15px,12px);opacity:0}68%,80%{transform:translate(0,0);opacity:1}86%{transform:translate(-3px,-4px);opacity:1}}
@keyframes pwaInstallNudge{from{opacity:0}to{opacity:1}}
@media(display-mode:standalone){body{overscroll-behavior-y:none}.app-header__inner{padding-top:calc(12px + env(safe-area-inset-top))}.app-header{background:rgba(255,255,255,.94)}}
@media(min-width:700px){.pwa-install-modal{align-items:center}.pwa-install-sheet{border-radius:16px}}
@media(prefers-reduced-motion:reduce){.pwa-install-banner,.pwa-install-sheet,.ios-share circle,.ios-menu,.ios-tap{animation:none}.ios-menu{opacity:1}.ios-tap{opacity:1}}

/* ── App shell ── */
.app-shell{
  max-width:var(--shell);
  margin:0 auto;
  min-height:100vh;
  background:var(--bg);
  position:relative;
  padding-bottom:78px; /* room for bottom nav */
}
.pwa-install-visible .app-shell{padding-bottom:158px}
.app-main{padding:14px 16px 24px}

/* ── Header ── */
.app-header{
  position:sticky;top:0;z-index:30;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.app-header__inner{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 12px;
  max-width:var(--shell);margin:0 auto;
  padding:12px var(--shell-pad) 10px;
}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;letter-spacing:-.02em;flex:none}
.brand .brand__logo{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;color:#fff;font-size:18px;overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-sm);
}
.brand .brand__logo img{width:100%;height:100%;object-fit:cover}
.brand small{display:block;font-size:10.5px;font-weight:600;color:var(--muted);letter-spacing:0}
.desktop-nav{display:none}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:6px;flex:none}
.icon-btn{
  position:relative;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;font-size:19px;color:var(--ink);cursor:pointer;
}
.icon-btn:active{transform:scale(.94)}
.cart-badge{
  position:absolute;top:-5px;right:-5px;min-width:19px;height:19px;padding:0 5px;
  background:var(--accent);color:#fff;border-radius:10px;font-size:11px;font-weight:700;
  display:grid;place-items:center;border:2px solid #fff;
}
.cart-badge:empty,.cart-badge[hidden]{display:none}

/* ── Search ── */
.search-bar{flex:1 1 calc(100% - 54px);min-width:0;padding:2px 0 4px}
.search-bar form{position:relative}
.search-bar input{
  width:100%;height:46px;border-radius:14px;border:1px solid var(--line);
  background:#fff;padding:0 16px 0 44px;font-size:15px;color:var(--ink);
}
.search-bar input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light)}
.search-bar .bi-search{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted)}

/* ── Bottom nav ── */
.bottom-nav{
  position:fixed;bottom:0;left:50%;transform:translateX(-50%);
  width:100%;max-width:var(--shell);z-index:40;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-top:1px solid var(--line);
  display:flex;justify-content:space-around;
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
}
.bottom-nav a{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  font-size:10.5px;font-weight:600;color:var(--muted);padding:2px 0;position:relative;
}
.bottom-nav a i{font-size:20px}
.bottom-nav a.active{color:var(--brand)}
.bottom-nav a .nav-dot{
  position:absolute;top:-2px;right:calc(50% - 16px);min-width:16px;height:16px;padding:0 4px;
  background:var(--accent);color:#fff;border-radius:8px;font-size:9.5px;font-weight:700;display:grid;place-items:center;
}
.bottom-nav a .nav-dot:empty{display:none}

/* ── Section headings ── */
.section{margin-top:22px}
.section__head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}
.section__head h2{font-size:17px;font-weight:800;margin:0;letter-spacing:-.01em}
.section__head a{font-size:12.5px;font-weight:700;color:var(--brand)}

/* ── Hero ── */
.hero{
  border-radius:22px;padding:22px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  box-shadow:var(--shadow);
}
.hero h1{font-size:23px;font-weight:800;margin:0 0 6px;line-height:1.2}
.hero p{margin:0 0 16px;font-size:13.5px;opacity:.9}
.hero .hero__cta{
  display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--brand);
  font-weight:700;font-size:14px;padding:11px 18px;border-radius:12px;
}
.hero .hero__art{position:absolute;right:-18px;bottom:-22px;font-size:120px;opacity:.18;transform:rotate(-12deg)}

/* ── Category chips ── */
.chips{display:flex;gap:9px;overflow-x:auto;padding:2px 0 4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:9px 15px;font-size:13px;font-weight:600;white-space:nowrap;color:var(--ink);
}
.chip i{color:var(--brand);font-size:15px}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.chip.is-active i{color:#fff}

/* ── Book rail (horizontal) ── */
.rail{display:flex;gap:14px;overflow-x:auto;padding:2px 0 8px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail .book-card{flex:0 0 138px}

/* ── Book grid ── */
.book-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.new-arrivals-feed__status,.new-arrivals-feed__end{
  display:flex;align-items:center;justify-content:center;gap:9px;min-height:36px;
  margin:18px 0 2px;color:var(--muted);font-size:12.5px;font-weight:700;
}
.new-arrivals-feed__status[hidden],.new-arrivals-feed__end[hidden],.new-arrivals-feed__retry[hidden]{display:none}
.new-arrivals-feed__spinner{
  width:16px;height:16px;border:2px solid rgba(64,157,15,.2);border-top-color:var(--brand);
  border-radius:50%;animation:spin .75s linear infinite;
}
.new-arrivals-feed__retry{
  align-items:center;justify-content:center;gap:7px;margin:18px auto 2px;padding:9px 14px;
  border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:inherit;
  font-size:12.5px;font-weight:700;cursor:pointer;
}
.new-arrivals-feed__sentinel{height:1px}

/* ── Book card ── */
.book-card{position:relative}
.book-card__cover{
  position:relative;border-radius:14px;overflow:hidden;aspect-ratio:2/3;
  background:var(--brand-light);box-shadow:var(--shadow-sm);
}
.book-card__cover img{width:100%;height:100%;object-fit:cover}
.book-card__formats{position:absolute;left:7px;bottom:7px;display:flex;gap:4px}
.fmt-pill{
  display:inline-grid;place-items:center;width:24px;height:24px;border-radius:7px;
  background:rgba(26,23,48,.72);color:#fff;font-size:12px;backdrop-filter:blur(4px);
}
.book-card__wish{
  position:absolute;top:7px;right:7px;width:32px;height:32px;border-radius:50%;border:none;
  background:rgba(255,255,255,.92);color:var(--muted);display:grid;place-items:center;font-size:15px;cursor:pointer;
  box-shadow:var(--shadow-sm);
}
.book-card__wish.is-on{color:#e0245e}
.book-card__title{font-size:13.5px;font-weight:700;margin:9px 0 1px;line-height:1.25;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.book-card__author{font-size:11.5px;color:var(--muted);margin:0 0 5px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.book-card__meta{display:flex;align-items:center;justify-content:space-between;gap:6px}
.book-card__price{font-size:13.5px;font-weight:800;color:var(--ink)}
.book-card__price small{font-weight:600;color:var(--muted);font-size:10px}

/* ── Stars ── */
.stars{display:inline-flex;gap:1px;color:var(--star);font-size:12px;line-height:1}
.stars.sm{font-size:11px}
.stars.lg{font-size:17px}
.rating-row{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}

/* ── Buttons ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:13px;font-weight:700;font-size:14.5px;padding:13px 18px;cursor:pointer;
  transition:transform .06s ease;line-height:1;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-block{width:100%}
.btn-outline{background:#fff;border:1.5px solid var(--line);color:var(--ink)}
.btn-ghost{background:var(--brand-light);color:var(--brand)}
.btn-sm{padding:9px 13px;font-size:13px;border-radius:11px}
.btn[disabled]{opacity:.5;pointer-events:none}

/* ── Format selector (book detail) ── */
.format-list{display:flex;flex-direction:column;gap:10px}
.format-opt{
  display:flex;align-items:center;gap:13px;border:1.5px solid var(--line);border-radius:14px;
  padding:13px;background:#fff;cursor:pointer;transition:border-color .12s;
}
.format-opt.is-active{border-color:var(--brand);background:var(--brand-light)}
.format-opt__icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);font-size:20px;flex:none}
.format-opt.is-active .format-opt__icon{background:#fff}
.format-opt__body{flex:1;min-width:0}
.format-opt__body b{font-size:14.5px;display:block}
.format-opt__body span{font-size:11.5px;color:var(--muted)}
.format-opt__price{text-align:right;font-weight:800;font-size:15px}
.format-opt__price s{display:block;font-weight:600;font-size:11px;color:var(--muted)}
.format-opt input{display:none}
.format-opt .oos{font-size:11px;color:#e0245e;font-weight:700}

/* ── Quantity stepper ── */
.stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:11px;overflow:hidden;background:#fff}
.stepper button{width:36px;height:36px;border:none;background:#fff;font-size:18px;color:var(--brand);cursor:pointer}
.stepper button:active{background:var(--brand-light)}
.stepper span{min-width:34px;text-align:center;font-weight:700;font-size:14px}

/* ── Cards / panels ── */
.panel{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:16px;margin-bottom:14px}
.panel h3{margin:0 0 12px;font-size:15px;font-weight:800}
.divider{height:1px;background:var(--line);margin:14px 0;border:0}

/* ── Book detail hero ── */
.detail-hero{display:flex;gap:16px;align-items:flex-start}
.detail-hero__cover{width:130px;flex:none;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:2/3;background:var(--brand-light)}
.detail-hero__cover img{width:100%;height:100%;object-fit:cover}
.detail-hero h1{font-size:21px;font-weight:800;margin:0 0 3px;line-height:1.2}
.detail-hero .by{font-size:13.5px;color:var(--brand);font-weight:700;margin-bottom:8px}
.detail-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.tag{display:inline-flex;align-items:center;gap:5px;background:var(--brand-light);color:var(--brand);
  font-size:11.5px;font-weight:700;padding:5px 10px;border-radius:8px}
.tag.muted{background:#f1f0f6;color:var(--muted)}

/* description with read-more */
.prose{font-size:14px;color:#46435c;line-height:1.65}
.read-more-wrap{position:relative}
.read-more-wrap.collapsed .prose{max-height:115px;overflow:hidden}
.read-more-wrap.collapsed:after{content:'';position:absolute;bottom:30px;left:0;right:0;height:48px;
  background:linear-gradient(transparent,var(--card))}
.read-more-btn{background:none;border:none;color:var(--brand);font-weight:700;font-size:13px;padding:8px 0 0;cursor:pointer}

/* ── Reviews ── */
.review{padding:13px 0;border-bottom:1px solid var(--line)}
.review:last-child{border-bottom:none}
.review__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.review__who{font-weight:700;font-size:13.5px}
.review__title{font-weight:700;font-size:13.5px;margin:3px 0}
.review__body{font-size:13px;color:#46435c}
.star-input{display:inline-flex;flex-direction:row-reverse;gap:3px;font-size:26px}
.star-input input{display:none}
.star-input label{color:#dcd9ea;cursor:pointer}
.star-input input:checked ~ label,
.star-input label:hover,.star-input label:hover ~ label{color:var(--star)}

/* ── Sticky action bar ── */
.action-bar{
  position:fixed;bottom:calc(64px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);
  width:100%;max-width:var(--shell);z-index:45;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding:12px 16px;
  display:flex;align-items:center;gap:12px;
}
.app-shell.has-action-bar{padding-bottom:176px}
.action-bar__price{font-weight:800;font-size:17px;white-space:nowrap}
.action-bar__price small{display:block;font-size:10.5px;color:var(--muted);font-weight:600}

/* ── Cart line items ── */
.cart-item{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.cart-item:last-child{border-bottom:none}
.cart-item__cover{width:54px;height:78px;border-radius:9px;overflow:hidden;flex:none;background:var(--brand-light)}
.cart-item__cover img{width:100%;height:100%;object-fit:cover}
.cart-item__body{flex:1;min-width:0}
.cart-item__title{font-size:13.5px;font-weight:700;line-height:1.25}
.cart-item__fmt{font-size:11px;color:var(--muted)}
.cart-item__foot{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.link-danger{background:none;border:none;color:#e0245e;font-size:12px;font-weight:600;cursor:pointer;padding:0}

.summary-row{display:flex;justify-content:space-between;font-size:13.5px;padding:5px 0;color:var(--muted)}
.summary-row.total{font-size:16px;font-weight:800;color:var(--ink);padding-top:10px}

/* ── Forms ── */
.field{margin-bottom:13px}
.field label{display:block;font-size:12.5px;font-weight:700;margin-bottom:6px;color:#46435c}
.field input,.field textarea,.field select{
  width:100%;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;font-size:15px;
  background:#fff;color:var(--ink);font-family:inherit;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light)}
.field .err{color:#e0245e;font-size:12px;margin-top:5px}
.help{font-size:12px;color:var(--muted)}
.pwd-wrap{position:relative;display:block}
.pwd-wrap input{padding-right:44px!important}
.pwd-toggle{position:absolute;right:7px;top:50%;transform:translateY(-50%);width:34px;height:34px;border:0;border-radius:9px;background:#fff;color:var(--muted);display:grid;place-items:center;cursor:pointer}
.pwd-toggle:hover{color:var(--brand);background:var(--brand-light)}

/* OTP input */
.otp-input{display:flex;gap:9px;justify-content:center}
.otp-input input{width:46px;height:56px;text-align:center;font-size:23px;font-weight:800;border:1.5px solid var(--line);border-radius:13px}
.otp-input input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light)}

/* ── Empty state ── */
.empty{text-align:center;padding:48px 24px;color:var(--muted)}
.empty i{font-size:52px;color:var(--brand);opacity:.5;display:block;margin-bottom:14px}
.empty h3{font-size:17px;color:var(--ink);margin:0 0 6px}
.empty p{font-size:13.5px;margin:0 0 18px}

/* ── Auth screens ── */
.auth-wrap{max-width:var(--shell);margin:0 auto;min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:24px}
.auth-card{background:#fff;border-radius:24px;box-shadow:var(--shadow);padding:28px 22px}
.auth-card .brand{justify-content:center;margin-bottom:18px;font-size:24px}
.auth-card h1{font-size:21px;text-align:center;margin:0 0 4px}
.auth-card p.sub{text-align:center;color:var(--muted);font-size:13.5px;margin:0 0 22px}

/* ── Flash / toast ── */
.flash{border-radius:12px;padding:12px 14px;font-size:13.5px;font-weight:600;margin-bottom:14px;display:flex;gap:9px;align-items:center}
.flash.success{background:#e7f8ef;color:#127a45}
.flash.error{background:#fdeaef;color:#c5123f}
.flash.info{background:var(--brand-light);color:var(--brand-dark)}
.toast-host{position:fixed;left:50%;bottom:92px;transform:translateX(-50%);z-index:60;display:flex;flex-direction:column;gap:8px;width:calc(100% - 40px);max-width:460px;pointer-events:none}
.toast{background:var(--ink);color:#fff;border-radius:12px;padding:12px 16px;font-size:13.5px;font-weight:600;
  box-shadow:var(--shadow);opacity:0;transform:translateY(12px);transition:.25s;display:flex;gap:9px;align-items:center}
.toast.show{opacity:1;transform:none}
.toast.success{background:#127a45}
.toast.error{background:#c5123f}

/* ── Account list ── */
.acct-head{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.acct-avatar{width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;display:grid;place-items:center;font-size:24px;font-weight:800;flex:none}
.acct-name{font-size:18px;font-weight:800}
.acct-sub{font-size:13px;color:var(--muted)}
.menu-list{display:flex;flex-direction:column;gap:2px}
.menu-item{display:flex;align-items:center;gap:13px;padding:14px 4px;border-bottom:1px solid var(--line);font-size:14.5px;font-weight:600}
.menu-item:last-child{border-bottom:none}
.menu-item i:first-child{width:38px;height:38px;border-radius:11px;background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;font-size:18px;flex:none}
.menu-item .bi-chevron-right{margin-left:auto;color:var(--muted);font-size:15px}
.stat-row{display:flex;gap:12px;margin:14px 0}
.stat{flex:1;background:#fff;border-radius:14px;padding:14px;text-align:center;box-shadow:var(--shadow-sm)}
.stat b{font-size:20px;display:block}
.stat span{font-size:11.5px;color:var(--muted)}

/* ── Library / audio player ── */
.lib-item{display:flex;gap:13px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}
.lib-item:last-child{border-bottom:none}
.lib-item__cover{width:50px;height:72px;border-radius:9px;overflow:hidden;flex:none;background:var(--brand-light)}
.lib-item__cover img{width:100%;height:100%;object-fit:cover}
.lib-item__body{flex:1;min-width:0}
.lib-item__title{font-weight:700;font-size:14px;line-height:1.25}
.lib-item__sub{font-size:11.5px;color:var(--muted)}
.lib-item__actions{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex-wrap:wrap;max-width:240px}
.offline-book-btn.is-saved{background:#eef8e9;border-color:var(--brand);color:var(--brand-dark)}
.offline-book-progress{width:100%;color:var(--muted);font-size:10.5px;font-weight:700;text-align:right}
.offline-book-progress[hidden]{display:none}
.offline-book-progress__track{display:block;height:4px;margin-top:4px;overflow:hidden;border-radius:4px;background:var(--line)}
.offline-book-progress__track span{display:block;height:100%;width:0;border-radius:inherit;background:var(--brand);transition:width .15s ease}
.offline-book-progress__track span.is-indeterminate{animation:offline-progress 1.2s ease-in-out infinite}
@keyframes offline-progress{0%{transform:translateX(-110%)}100%{transform:translateX(270%)}}
.offline-library{display:flex;align-items:center;gap:12px;margin:4px 0 14px;padding:13px 14px;border:1px solid #cce4c0;border-radius:8px;background:#f4faF1}
.offline-library[hidden],.offline-saved[hidden]{display:none}
.offline-library__icon{display:grid;place-items:center;width:38px;height:38px;flex:none;border-radius:8px;background:var(--brand);color:#fff;font-size:19px}
.offline-library__body{display:flex;flex:1;min-width:0;flex-direction:column;font-size:12px;color:var(--muted)}
.offline-library__body strong{font-size:13.5px;color:var(--ink)}
.offline-library__storage{margin-top:6px;font-size:10.5px}
.offline-library__storage[hidden]{display:none}
.offline-library__storage-track{display:block;width:min(240px,100%);height:4px;margin-top:4px;border-radius:4px;background:#dbe8d5;overflow:hidden}
.offline-library__storage-track span{display:block;height:100%;min-width:2px;background:var(--brand)}
.offline-library__clear{flex:none}
.offline-saved{margin-bottom:14px}
.offline-saved__item{display:flex;align-items:center;gap:11px;padding:10px 0;border-bottom:1px solid var(--line)}
.offline-saved__item:last-child{border-bottom:0}
.offline-saved__item img{width:40px;height:57px;object-fit:cover;border-radius:6px;background:var(--brand-light)}
.offline-saved__body{display:flex;flex:1;min-width:0;flex-direction:column}
.offline-saved__body strong{font-size:13px;line-height:1.25}
.offline-saved__body span{font-size:10.5px;color:var(--muted)}
.library-feed__status,.library-feed__end{display:flex;align-items:center;justify-content:center;gap:9px;margin:14px 0 8px;color:var(--muted);font-size:12.5px;font-weight:700}
.library-feed__status[hidden],.library-feed__end[hidden]{display:none}
.library-feed__spinner{width:16px;height:16px;border:2px solid rgba(42,86,153,.22);border-top-color:var(--brand);border-radius:50%;animation:spin .75s linear infinite}
@media(max-width:620px){
  .lib-item{align-items:flex-start;flex-wrap:wrap}
  .lib-item__actions{width:100%;max-width:none;padding-left:63px;justify-content:flex-start;margin-top:-34px}
  .lib-item__actions .btn{min-height:34px}
  .offline-book-progress{text-align:left}
  .offline-library{align-items:flex-start}
  .offline-library__clear span{display:none}
}
.player{background:linear-gradient(160deg,var(--brand),var(--brand-dark));color:#fff;border-radius:22px;padding:22px;box-shadow:var(--shadow)}
.player__cover{width:160px;aspect-ratio:2/3;margin:6px auto 18px;border-radius:14px;overflow:hidden;box-shadow:0 12px 30px rgba(0,0,0,.3)}
.player__cover img{width:100%;height:100%;object-fit:cover}
.player h2{text-align:center;font-size:19px;margin:0 0 2px}
.player .by{text-align:center;opacity:.85;font-size:13px;margin-bottom:18px}
.player__bar{height:6px;border-radius:3px;background:rgba(255,255,255,.25);cursor:pointer;position:relative}
.player__fill{height:100%;border-radius:3px;background:#fff;width:0}
.player__time{display:flex;justify-content:space-between;font-size:11.5px;opacity:.85;margin-top:7px}
.player__controls{display:flex;align-items:center;justify-content:center;gap:24px;margin-top:16px}
.player__controls button{background:none;border:none;color:#fff;font-size:26px;cursor:pointer}
.player__play{width:62px;height:62px;border-radius:50%;background:#fff!important;color:var(--brand)!important;display:grid;place-items:center;font-size:26px!important}
.player__speed{display:flex;justify-content:center;gap:8px;margin-top:16px}
.player__speed button{background:rgba(255,255,255,.15);border:none;color:#fff;font-size:12px;font-weight:700;padding:6px 12px;border-radius:9px;cursor:pointer}
.player__speed button.is-active{background:#fff;color:var(--brand)}

/* ── Timeline (shipment) ── */
.timeline{position:relative;padding-left:6px}
.tl-step{display:flex;gap:13px;padding-bottom:18px;position:relative}
.tl-step:before{content:'';position:absolute;left:11px;top:24px;bottom:-2px;width:2px;background:var(--line)}
.tl-step:last-child:before{display:none}
.tl-dot{width:24px;height:24px;border-radius:50%;background:var(--line);color:#fff;display:grid;place-items:center;font-size:12px;flex:none;z-index:1}
.tl-step.done .tl-dot{background:var(--brand)}
.tl-step.done:before{background:var(--brand)}
.tl-step b{font-size:13.5px}
.tl-step span{font-size:11.5px;color:var(--muted)}

/* ── Modal ── */
.modal-backdrop{position:fixed;inset:0;background:rgba(20,15,40,.5);z-index:70;display:none;align-items:flex-end;justify-content:center}
.modal-backdrop.show{display:flex}
.modal-sheet{background:#fff;width:100%;max-width:var(--shell);border-radius:22px 22px 0 0;padding:22px;animation:sheetUp .25s ease}
@keyframes sheetUp{from{transform:translateY(100%)}to{transform:none}}
.modal-sheet h3{margin:0 0 4px;font-size:18px}
.spin{display:inline-block;width:38px;height:38px;border:3px solid var(--brand-light);border-top-color:var(--brand);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Global action feedback */
.global-loader{
  position:fixed;inset:0;z-index:9999;display:flex;align-items:flex-start;justify-content:center;
  padding-top:calc(env(safe-area-inset-top) + 18px);pointer-events:none;opacity:0;transition:opacity .18s ease;
}
.global-loader.is-visible{opacity:1}
.global-loader__box{
  display:inline-flex;align-items:center;gap:10px;min-height:42px;max-width:min(92vw,360px);
  padding:10px 16px;border:1px solid rgba(255,255,255,.72);border-radius:999px;
  background:rgba(28,31,43,.9);color:#fff;font-weight:700;font-size:13.5px;
  box-shadow:0 16px 42px rgba(18,23,34,.22);backdrop-filter:blur(14px);
}
.global-loader__mark,.btn-spinner{
  flex:0 0 auto;width:18px;height:18px;border:2px solid rgba(255,255,255,.35);
  border-top-color:#fff;border-radius:50%;animation:spin .75s linear infinite;
}
.btn-spinner{width:16px;height:16px;border-color:rgba(255,255,255,.45);border-top-color:#fff}
.btn.is-loading,button.is-loading{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;pointer-events:none;
}

/* ── Pagination ── */
.pager{display:flex;gap:6px;justify-content:center;margin-top:22px;flex-wrap:wrap}
.pager a,.pager span{min-width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:700;color:var(--ink)}
.pager .is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.pager .disabled{opacity:.4}

/* ── Filters row ── */
.filter-row{display:flex;gap:9px;overflow-x:auto;padding-bottom:10px;scrollbar-width:none}
.filter-row::-webkit-scrollbar{display:none}
.filter-row select{flex:0 0 auto;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:12.5px;background:#fff;font-weight:600}

/* ── Split page layouts (cart, checkout) ── */
.page-split{display:flex;flex-direction:column;gap:14px}
.page-split__side,.checkout-layout__summary{display:contents}
.desktop-only{display:none}

/* ── Tablet ── */
@media(min-width:600px){
  :root{--shell-pad:20px}
  .book-grid{grid-template-columns:repeat(3,1fr)}
  .rail .book-card{flex:0 0 152px}
  .app-main{padding:18px var(--shell-pad) 28px}
}

/* ── Desktop ── */
@media(min-width:900px){
  :root{--shell:960px;--shell-pad:28px}
  body{background:#ebe8f4}
  .app-shell{
    box-shadow:0 0 0 1px var(--line),0 24px 64px rgba(31,20,80,.07);
    padding-bottom:0;
  }
  .app-shell.has-action-bar{padding-bottom:0}
  .app-main{padding:24px var(--shell-pad) 40px}
  .bottom-nav{display:none}
  .desktop-nav{
    display:flex;align-items:center;gap:2px;flex:none;
  }
  .desktop-nav a{
    padding:8px 14px;border-radius:10px;font-weight:600;font-size:14px;
    color:var(--muted);white-space:nowrap;
  }
  .desktop-nav a:hover{color:var(--brand);background:var(--brand-light)}
  .desktop-nav a.active{color:var(--brand);background:var(--brand-light)}
  .app-header__inner{flex-wrap:nowrap;padding:14px var(--shell-pad);gap:16px}
  .search-bar{flex:1 1 auto;padding:0;max-width:420px}
  .search-bar input{height:42px;font-size:14px}
  .header-actions{margin-left:0}
  .pwa-install-banner{left:auto;right:28px;bottom:28px;width:400px;transform:none}
  .pwa-install-visible .app-shell{padding-bottom:0}
  .hero{padding:32px 36px;border-radius:26px}
  .hero h1{font-size:32px}
  .hero p{font-size:15px;max-width:420px}
  .hero .hero__art{font-size:160px;right:-8px;bottom:-28px}
  .section{margin-top:32px}
  .section__head h2{font-size:20px}
  .chips{flex-wrap:wrap;overflow:visible}
  .book-grid{grid-template-columns:repeat(4,1fr);gap:20px}
  .rail{
    display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
    gap:18px;overflow:visible;padding:0;
  }
  .rail .book-card{flex:none}
  .book-card__title{font-size:14.5px}
  .detail-hero{gap:28px}
  .detail-hero__cover{width:180px}
  .detail-hero h1{font-size:28px}
  .filter-row{flex-wrap:wrap;overflow:visible}
  .filter-row select{font-size:13px;padding:9px 14px}
  .player{max-width:520px;margin:0 auto}
  .player__cover{width:200px}
  .auth-wrap{max-width:480px;padding:48px 24px}
  .auth-card{padding:36px 32px}
  .modal-backdrop{align-items:center;padding:24px}
  .modal-sheet{border-radius:22px;max-width:440px;animation:modalIn .25s ease}
  @keyframes modalIn{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
  .toast-host{left:auto;right:28px;bottom:28px;transform:none;width:360px;max-width:360px}
  .action-bar{
    bottom:0;left:50%;transform:translateX(-50%);
    max-width:var(--shell);
    border-radius:18px 18px 0 0;
  }
  .page-cart.has-action-bar .action-bar,
  .page-checkout.has-action-bar .action-bar{display:none}
  .desktop-only{display:inline-flex}
  .page-split{
    display:grid;grid-template-columns:minmax(0,1fr)340px;
    gap:24px 28px;align-items:start;
  }
  .page-split__main{min-width:0}
  .page-split__side{display:block;position:sticky;top:88px}
  .checkout-layout{
    display:grid;grid-template-columns:minmax(0,1fr)360px;
    gap:24px 28px;align-items:start;
  }
  .checkout-layout__summary{display:flex;flex-direction:column;gap:14px;position:sticky;top:88px}
  .checkout-layout__forms{min-width:0;display:flex;flex-direction:column;gap:14px}
  .page-detail .app-main{
    display:grid;grid-template-columns:minmax(0,1fr)360px;
    gap:0 32px;align-items:start;
  }
  .page-detail .detail-hero{grid-column:1;margin-bottom:16px}
  .page-detail .panel-buy{
    grid-column:2;grid-row:1 / span 3;margin-top:0!important;
    position:sticky;top:88px;align-self:start;
  }
  .page-detail .panel:not(.panel-buy){grid-column:1}
  .page-detail .section{grid-column:1 / -1}
  .page-detail.has-action-bar{padding-bottom:96px}
  .stat-row .stat{padding:18px}
  .stat b{font-size:24px}
  .cart-item__cover{width:64px;height:92px}
  .cart-item__title{font-size:14.5px}
  .empty{padding:72px 32px}
}

@media(max-width:380px){.pwa-install-banner{gap:8px;padding-left:9px}.pwa-install-banner__icon{width:42px;height:42px}.pwa-install-banner__action{width:42px}.pwa-install-banner__dismiss{width:30px}}

/* ── Large desktop ── */
@media(min-width:1200px){
  :root{--shell:1200px}
  .book-grid{grid-template-columns:repeat(5,1fr);gap:22px}
  .rail{grid-template-columns:repeat(auto-fill,minmax(172px,1fr));gap:22px}
  .hero h1{font-size:36px}
  .page-split{grid-template-columns:minmax(0,1fr)380px}
  .checkout-layout{grid-template-columns:minmax(0,1fr)400px}
  .page-detail .app-main{grid-template-columns:minmax(0,1fr)400px}
}