.premium-pdf-host {
    --ppv-line: #c8d4e2;
    --ppv-line-strong: #afc0d4;
    --ppv-bg: #f2f7fc;
    --ppv-panel: #ffffff;
    --ppv-text: #17314b;
    --ppv-muted: #5b7188;
    --ppv-accent: #2f516a;
    --ppv-accent-strong: #204057;
    --ppv-good: #0f7753;
    --ppv-warn: #875f15;
    --ppv-bad: #a53a4d;
    --ppv-shadow: 0 12px 28px rgba(19, 41, 61, 0.14);
    --ppv-flip-in-ms: 320ms;
    --ppv-flip-out-ms: 300ms;
    --ppv-flip-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --ppv-stage-height: min(calc(var(--app-vh, 1vh) * 160), 1960px);
    display: block;
}

.premium-pdf-host[data-mode="home"] {
    --ppv-stage-height: min(calc(var(--app-vh, 1vh) * 116), 1280px);
}

.premium-pdf-host[data-mode="modal"] {
    --ppv-stage-height: min(calc(var(--app-vh, 1vh) * 152), 1720px);
}

.ppv-shell {
    position: relative;
    isolation: isolate;
    border: 1px solid var(--ppv-line);
    border-radius: 16px;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.95), rgba(245, 250, 255, 0.92));
    box-shadow: var(--ppv-shadow);
    overflow: hidden;
}

.ppv-toolbar {
    position: relative;
    z-index: 8;
    display: grid;
    gap: 0.56rem;
    align-items: start;
    padding: 0.68rem 0.7rem 0.62rem;
    border-bottom: 1px solid var(--ppv-line);
    background: linear-gradient(180deg, rgba(237, 245, 253, 0.96), rgba(246, 250, 255, 0.92));
}

.ppv-topline {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.8rem;
    align-items: center;
}

.ppv-topline-copy {
    display: grid;
    gap: 0.16rem;
    min-width: 0;
}

.ppv-topline-kicker {
    display: inline-flex;
    align-items: center;
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ppv-accent);
}

.ppv-topline-title {
    font-size: clamp(1.04rem, 0.94rem + 0.42vw, 1.4rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--ppv-text);
    min-width: 0;
}

.ppv-topline-note {
    margin: 0;
    max-width: 68ch;
    color: var(--ppv-muted);
    font-size: 0.82rem;
    line-height: 1.35;
}

.ppv-topline-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.36rem;
}

.ppv-topline-pill {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0.36rem 0.66rem;
    border: 1px solid var(--ppv-line-strong);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    color: var(--ppv-text);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.ppv-toolbar-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.5rem;
    align-items: center;
}

.ppv-toolbar-advanced {
    position: relative;
    z-index: 8;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 1fr);
    gap: 0.5rem;
    padding: 0.44rem 0.7rem 0.68rem;
    border-bottom: 1px solid var(--ppv-line);
    background: linear-gradient(180deg, rgba(237, 245, 253, 0.96), rgba(246, 250, 255, 0.92));
}

.ppv-toolbar-advanced[hidden] {
    display: none !important;
}

.premium-pdf-host.ppv-tools-open .ppv-toolbar-advanced {
    animation: ppvToolsIn 180ms ease-out;
}

.ppv-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    min-width: 0;
}

.ppv-controls-nav,
.ppv-controls-view,
.ppv-controls-links {
    justify-content: flex-start;
}

.ppv-controls-search {
    justify-content: stretch;
}

.ppv-controls-links {
    gap: 0.32rem;
}

.ppv-controls-links .ppv-btn,
.ppv-controls-links .ppv-link {
    min-width: 88px;
    text-align: center;
}

.ppv-btn,
.ppv-link {
    border: 1px solid var(--ppv-line-strong);
    border-radius: 10px;
    background: #f3f8fd;
    color: var(--ppv-text);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1;
    min-height: 36px;
    padding: 0.58rem 0.72rem;
    cursor: pointer;
    text-decoration: none;
    transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.ppv-btn:hover,
.ppv-link:hover {
    text-decoration: none;
    border-color: #8fa6be;
    background: #eaf2fb;
    transform: translateY(-1px);
}

.ppv-btn:disabled {
    cursor: not-allowed;
    opacity: 0.58;
    transform: none;
}

.ppv-btn.is-active {
    border-color: transparent;
    background: linear-gradient(140deg, var(--ppv-accent), var(--ppv-accent-strong));
    color: #fff;
}

.ppv-btn.is-alt {
    background: #eff5fc;
    color: #35516a;
}

.ppv-btn[data-ppv-tools-toggle] {
    min-width: 100px;
}

.ppv-page-field {
    display: inline-flex;
    align-items: center;
    gap: 0.32rem;
    margin: 0;
    padding: 0.34rem 0.42rem;
    border: 1px solid var(--ppv-line-strong);
    border-radius: 10px;
    background: #f9fcff;
    min-height: 36px;
}

.ppv-page-field input {
    width: 4.4rem;
    min-width: 4.4rem;
    border: 1px solid var(--ppv-line);
    border-radius: 8px;
    padding: 0.34rem 0.38rem;
    font-size: 0.86rem;
    line-height: 1;
    background: #fff;
    color: var(--ppv-text);
}

.ppv-page-total,
.ppv-zoom {
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--ppv-muted);
    min-width: 3.2rem;
}

.ppv-search-form {
    display: grid;
    grid-template-columns: minmax(130px, 1fr) auto;
    gap: 0.35rem;
    width: 100%;
}

.ppv-search-form input {
    min-width: 0;
    width: 100%;
    border: 1px solid var(--ppv-line-strong);
    border-radius: 10px;
    background: #fff;
    color: var(--ppv-text);
    min-height: 36px;
    padding: 0.42rem 0.6rem;
    font-size: 0.88rem;
}

.ppv-search-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    width: 100%;
}

.ppv-search-meta {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0.34rem 0.62rem;
    border: 1px solid var(--ppv-line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.86);
    color: var(--ppv-muted);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.ppv-body {
    display: grid;
    position: relative;
    z-index: 1;
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 0;
    min-height: 320px;
}

.ppv-thumbs {
    border-right: 1px solid var(--ppv-line);
    background: linear-gradient(180deg, #f3f8fd, #edf4fb);
    overflow-y: auto;
    padding: 0.5rem;
    max-height: var(--ppv-stage-height);
    scrollbar-width: thin;
}

.ppv-thumbs.is-jump-list {
    padding: 0.44rem;
}

.ppv-jump-title {
    margin: 0 0 0.34rem;
    padding: 0.32rem 0.44rem;
    border: 1px solid var(--ppv-line-strong);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.84);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ppv-muted);
}

.ppv-thumb {
    width: 100%;
    display: grid;
    justify-items: center;
    gap: 0.28rem;
    border: 1px solid var(--ppv-line-strong);
    border-radius: 12px;
    background: #fff;
    color: var(--ppv-text);
    padding: 0.34rem;
    margin-bottom: 0.4rem;
    cursor: pointer;
    transition: border-color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.ppv-thumb:hover {
    transform: translateY(-1px);
    border-color: #8ea4bd;
    box-shadow: 0 8px 18px rgba(22, 44, 65, 0.14);
}

.ppv-thumb.is-active {
    border-color: transparent;
    background: linear-gradient(140deg, #2f516a, #204057);
    color: #fff;
}

.ppv-thumb-canvas-wrap {
    width: 100%;
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--ppv-line);
    border-radius: 8px;
    background: #f8fbff;
    overflow: hidden;
}

.ppv-thumb.is-active .ppv-thumb-canvas-wrap {
    border-color: rgba(255, 255, 255, 0.45);
}

.ppv-thumb-canvas {
    display: block;
    max-width: 100%;
    height: auto;
    background: #fff;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.ppv-thumb-label {
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.ppv-thumb-jump {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    min-height: 34px;
    gap: 0;
    padding: 0.42rem 0.52rem;
}

.ppv-thumb-jump .ppv-thumb-label {
    font-size: 0.74rem;
    letter-spacing: 0.02em;
    text-transform: none;
}

.ppv-thumb.is-loading .ppv-thumb-canvas-wrap {
    background: linear-gradient(90deg, #f4f8fc 0%, #eaf2fb 45%, #f4f8fc 100%);
    background-size: 200% 100%;
    animation: ppvShimmer 1.2s linear infinite;
}

.ppv-stage-wrap {
    position: relative;
    background:
        radial-gradient(circle at top center, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0) 52%),
        linear-gradient(180deg, #f4f8fc, #edf3fb);
}

.ppv-progress {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    right: 0.6rem;
    z-index: 6;
    display: grid;
    gap: 0.2rem;
    padding: 0.44rem 0.55rem;
    border: 1px solid var(--ppv-line-strong);
    border-radius: 10px;
    background: rgba(251, 253, 255, 0.96);
}

.ppv-progress-bar {
    display: block;
    height: 4px;
    width: 0;
    border-radius: 999px;
    background: linear-gradient(90deg, #2f516a, #6f94b7);
}

.ppv-progress-text {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--ppv-text);
}

.ppv-stage {
    height: var(--ppv-stage-height);
    max-height: var(--ppv-stage-height);
    overflow: auto;
    overscroll-behavior: contain;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y pinch-zoom;
    padding: 0.75rem 0.75rem 1rem;
    display: grid;
    gap: 0.95rem;
}

.ppv-stage-rail {
    position: absolute;
    top: 50%;
    z-index: 7;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    min-width: 58px;
    min-height: 112px;
    padding: 0.7rem 0.42rem;
    border: 1px solid rgba(128, 149, 170, 0.72);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 18px 34px rgba(15, 31, 48, 0.16);
    color: var(--ppv-text);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transform: translateY(-50%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease, background 0.18s ease, border-color 0.18s ease;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

.ppv-stage-rail--prev {
    left: 0.8rem;
}

.ppv-stage-rail--next {
    right: 0.8rem;
}

.premium-pdf-host[data-device-profile="desktop"][data-nav-mode="flip"]:not(.ppv-flip-pan-enabled) .ppv-stage-rail {
    opacity: 0.88;
    pointer-events: auto;
}

.premium-pdf-host[data-device-profile="desktop"][data-nav-mode="flip"]:not(.ppv-flip-pan-enabled) .ppv-stage-wrap:hover .ppv-stage-rail,
.premium-pdf-host[data-device-profile="desktop"][data-nav-mode="flip"]:not(.ppv-flip-pan-enabled) .ppv-stage-rail:focus-visible {
    transform: translateY(-50%) scale(1.02);
    opacity: 1;
}

.ppv-stage-rail:hover {
    border-color: #8fa6be;
    background: rgba(255, 255, 255, 0.92);
}

.ppv-stage-rail:disabled {
    opacity: 0.28 !important;
    pointer-events: none;
    transform: translateY(-50%);
}

.premium-pdf-host[data-hide-prev-next="1"] [data-ppv-prev],
.premium-pdf-host[data-hide-prev-next="1"] [data-ppv-next],
.premium-pdf-host[data-hide-prev-next="1"] [data-ppv-stage-prev],
.premium-pdf-host[data-hide-prev-next="1"] [data-ppv-stage-next],
.premium-pdf-host[data-hide-prev-next="1"] [data-ppv-footer-prev],
.premium-pdf-host[data-hide-prev-next="1"] [data-ppv-footer-next] {
    display: none;
}

.premium-pdf-host.ppv-low-power .ppv-stage {
    scroll-behavior: auto;
}

.premium-pdf-host[data-nav-mode="flip"] .ppv-stage {
    position: relative;
    overflow: hidden;
    scroll-behavior: auto;
    touch-action: pan-x pinch-zoom;
    display: block;
}

.premium-pdf-host[data-nav-mode="flip"].ppv-flip-pan-enabled .ppv-stage {
    overflow: auto;
    touch-action: pan-x pan-y pinch-zoom;
}

.premium-pdf-host[data-nav-mode="flip"] .ppv-page-shell {
    position: absolute;
    inset: 0.52rem;
    margin: 0 auto;
    width: min(100%, 1380px);
    max-width: min(100%, 1380px);
    opacity: 0;
    transform: translate3d(2.2%, 0, 0) scale(0.996);
    pointer-events: none;
    will-change: transform, opacity;
    backface-visibility: hidden;
}

.premium-pdf-host[data-nav-mode="flip"] .ppv-page-shell.is-current,
.premium-pdf-host[data-nav-mode="flip"] .ppv-page-shell.is-flip-leaving {
    display: block;
}

.premium-pdf-host[data-nav-mode="flip"] .ppv-page-shell.is-current {
    z-index: 2;
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    pointer-events: auto;
    animation: ppvFlipIn var(--ppv-flip-in-ms) var(--ppv-flip-ease) both;
}

.premium-pdf-host[data-nav-mode="flip"] .ppv-page-shell.is-flip-leaving {
    z-index: 1;
    opacity: 1;
    pointer-events: none;
    animation: ppvFlipOut var(--ppv-flip-out-ms) var(--ppv-flip-ease) both;
}

.premium-pdf-host[data-nav-mode="flip"] .ppv-page-canvas-wrap {
    min-height: 0;
    overflow: visible;
}

.premium-pdf-host[data-nav-mode="flip"].ppv-flip-pan-enabled .ppv-page-canvas-wrap {
    overflow: auto;
    max-height: calc(var(--ppv-stage-height) - 152px);
}

.premium-pdf-host.ppv-low-power[data-nav-mode="flip"] .ppv-page-shell.is-current,
.premium-pdf-host.ppv-low-power[data-nav-mode="flip"] .ppv-page-shell.is-flip-leaving {
    animation: none;
}

.premium-pdf-host.ppv-low-power[data-nav-mode="flip"] .ppv-page-shell.is-current {
    opacity: 1;
    transform: none;
}

.premium-pdf-host[data-device-profile="mobile"] .ppv-toolbar {
    padding: 0.5rem;
    gap: 0.4rem;
}

.premium-pdf-host[data-device-profile="mobile"] .ppv-controls {
    gap: 0.3rem;
}

.premium-pdf-host[data-device-profile="mobile"] .ppv-controls-search {
    width: 100%;
}

.premium-pdf-host[data-device-profile="mobile"] .ppv-stage {
    padding: 0.5rem 0.45rem 0.72rem;
}

.premium-pdf-host[data-device-profile="mobile"] .ppv-page-shell {
    padding: 0.34rem;
}

.premium-pdf-host[data-device-profile="mobile"] .ppv-thumb-jump {
    min-height: 32px;
    padding: 0.38rem 0.46rem;
}

.ppv-page-shell {
    border: 1px solid var(--ppv-line);
    border-radius: 12px;
    background: #fff;
    padding: 0.45rem;
    box-shadow: 0 8px 18px rgba(18, 39, 58, 0.09);
}

.ppv-page-number {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--ppv-line-strong);
    border-radius: 999px;
    background: #eef4fb;
    color: #44617e;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.23rem 0.46rem;
    margin-bottom: 0.4rem;
}

.ppv-page-canvas-wrap {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    border: 1px solid var(--ppv-line);
    border-radius: 9px;
    background: #f8fbff;
    min-height: 260px;
    overflow: hidden;
}

.ppv-page-canvas {
    display: block;
    max-width: 100%;
    height: auto;
    background: #fff;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.premium-pdf-host[data-nav-mode="flip"] .ppv-page-canvas {
    max-height: calc(var(--ppv-stage-height) - 152px);
    width: auto;
}

.premium-pdf-host[data-nav-mode="flip"].ppv-flip-pan-enabled .ppv-page-canvas {
    max-height: none;
    max-width: none;
    width: auto;
    margin: 0 auto;
}

.ppv-page-shell.is-loading .ppv-page-canvas-wrap {
    background: linear-gradient(90deg, #f4f8fc 0%, #eaf2fb 50%, #f4f8fc 100%);
    background-size: 220% 100%;
    animation: ppvShimmer 1.25s linear infinite;
}

.premium-pdf-host.ppv-low-power .ppv-thumb.is-loading .ppv-thumb-canvas-wrap,
.premium-pdf-host.ppv-low-power .ppv-page-shell.is-loading .ppv-page-canvas-wrap {
    animation: none;
    background: #edf3fb;
}

.ppv-page-shell.is-error .ppv-page-canvas-wrap {
    border-color: #d7b9be;
    background: #fff2f4;
}

.ppv-status {
    border-top: 1px solid var(--ppv-line);
    position: relative;
    z-index: 8;
    padding: 0.5rem 0.66rem;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--ppv-muted);
    background: linear-gradient(180deg, rgba(245, 250, 255, 0.96), rgba(238, 245, 252, 0.96));
}

.ppv-status.is-loading {
    color: #3f617f;
}

.ppv-status.is-ok {
    color: var(--ppv-good);
}

.ppv-status.is-warn {
    color: var(--ppv-warn);
}

.ppv-status.is-error {
    color: var(--ppv-bad);
}

.ppv-status.is-muted {
    color: var(--ppv-muted);
}

.ppv-error {
    max-width: 680px;
    margin: 1.2rem auto;
    border: 1px solid #dcbfc5;
    border-radius: 12px;
    background: #fff5f7;
    padding: 1rem;
    text-align: center;
}

.ppv-error h4 {
    margin: 0 0 0.35rem;
    font-size: 1rem;
}

.ppv-error p {
    margin: 0 0 0.55rem;
    color: #5b5160;
}

.ppv-error .ppv-error-detail {
    font-size: 0.82rem;
    color: #7a5160;
    word-break: break-word;
}

.ppv-error-actions {
    display: inline-flex;
    gap: 0.45rem;
}

.ppv-error-actions a {
    display: inline-flex;
    border: 1px solid #c5a7ad;
    border-radius: 10px;
    padding: 0.45rem 0.7rem;
    font-size: 0.86rem;
    font-weight: 700;
    color: #4f3341;
    background: #fff;
    text-decoration: none;
}

.ppv-error-actions a:hover {
    text-decoration: none;
    background: #fef3f5;
}

.ppv-thumbs-hidden .ppv-thumbs {
    display: none;
}

.ppv-thumbs-hidden .ppv-body {
    grid-template-columns: minmax(0, 1fr);
}

.ppv-mobile-sheet-backdrop {
    position: absolute;
    inset: 0;
    z-index: 5;
    border: 0;
    background: rgba(8, 18, 29, 0.18);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
}

.premium-pdf-host.ppv-mobile-sheet-active .ppv-mobile-sheet-backdrop {
    opacity: 1;
    pointer-events: auto;
}

.ppv-footer-nav {
    display: grid;
    grid-template-columns: auto minmax(140px, 1fr) auto auto;
    align-items: center;
    gap: 0.42rem;
    position: relative;
    z-index: 8;
    padding: 0.5rem 0.62rem;
    border-top: 1px solid var(--ppv-line);
    background: linear-gradient(180deg, rgba(245, 250, 255, 0.97), rgba(238, 245, 252, 0.96));
}

.ppv-footer-nav[hidden] {
    display: none !important;
}

.ppv-footer-btn {
    min-width: 84px;
}

.ppv-footer-mobile-only {
    display: none;
}

.ppv-footer-range-wrap {
    display: block;
    margin: 0;
}

.ppv-footer-range {
    width: 100%;
    accent-color: var(--ppv-accent);
}

.ppv-footer-page {
    font-size: 0.82rem;
    font-weight: 800;
    color: var(--ppv-muted);
    min-width: max-content;
}

.premium-pdf-modal {
    position: fixed;
    inset: 0;
    z-index: 9900;
    display: grid;
    place-items: center;
    padding:
        calc(0.9rem + (env(safe-area-inset-top) * 0.2))
        calc(0.9rem + (env(safe-area-inset-right) * 0.2))
        calc(0.9rem + (env(safe-area-inset-bottom) * 0.2))
        calc(0.9rem + (env(safe-area-inset-left) * 0.2));
}

.premium-pdf-modal[hidden] {
    display: none;
}

.premium-pdf-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 18, 28, 0.56);
    backdrop-filter: blur(4px);
}

.premium-pdf-modal-dialog {
    position: relative;
    width: min(1440px, 100%);
    max-height: calc((var(--app-vh, 1vh) * 100) - 1.8rem);
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    border: 1px solid #aebcd0;
    border-radius: 16px;
    background: #edf4fc;
    box-shadow: 0 26px 58px rgba(7, 16, 27, 0.4);
    overflow: hidden;
}

.premium-pdf-modal-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    padding: 0.52rem 0.72rem;
    border-bottom: 1px solid #bccbde;
    background: linear-gradient(180deg, #f5f9ff, #edf3fb);
}

.premium-pdf-modal-head h3 {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #2b4b65;
}

.premium-pdf-modal-close {
    min-width: 36px;
    min-height: 36px;
    border: 1px solid #9bb0c7;
    border-radius: 10px;
    background: #f3f8fd;
    color: #2f4f69;
    font-size: 0.92rem;
    font-weight: 800;
    cursor: pointer;
}

.premium-pdf-modal-viewer {
    border: 0;
    border-radius: 0;
    box-shadow: none;
    min-height: 0;
}

body.pdf-modal-open {
    overflow: hidden;
    overscroll-behavior: none;
}

@keyframes ppvShimmer {
    0% {
        background-position: 180% 0;
    }
    100% {
        background-position: -40% 0;
    }
}

@keyframes ppvToolsIn {
    0% {
        opacity: 0;
        transform: translateY(-4px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes ppvFlipIn {
    0% {
        opacity: 0.14;
        transform: translate3d(3.1%, 0, 0) scale(0.992);
    }
    68% {
        opacity: 1;
        transform: translate3d(-0.36%, 0, 0) scale(1.0015);
    }
    100% {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@keyframes ppvFlipOut {
    0% {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
    44% {
        opacity: 0.74;
        transform: translate3d(-1.06%, 0, 0) scale(0.996);
    }
    100% {
        opacity: 0;
        transform: translate3d(-3.2%, 0, 0) scale(0.992);
    }
}

@media (prefers-reduced-motion: reduce) {
    .premium-pdf-host[data-nav-mode="flip"] .ppv-page-shell.is-current,
    .premium-pdf-host[data-nav-mode="flip"] .ppv-page-shell.is-flip-leaving {
        animation: none !important;
    }

    .premium-pdf-host[data-nav-mode="flip"] .ppv-page-shell.is-current {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 1200px) {
    .ppv-topline {
        grid-template-columns: 1fr;
        gap: 0.44rem;
    }

    .ppv-topline-badges {
        justify-content: flex-start;
    }

    .ppv-toolbar-main {
        grid-template-columns: 1fr;
        gap: 0.42rem;
    }

    .ppv-toolbar-advanced {
        grid-template-columns: 1fr;
    }

    .ppv-body {
        grid-template-columns: 118px minmax(0, 1fr);
    }

    .ppv-controls-links {
        justify-content: flex-start;
    }
}

@media (max-width: 900px) {
    .ppv-toolbar {
        gap: 0.42rem;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-toolbar {
        position: sticky;
        top: 0;
        z-index: 18;
        padding-top: calc(0.52rem + (env(safe-area-inset-top) * 0.25));
        -webkit-backdrop-filter: blur(7px);
        backdrop-filter: blur(7px);
    }

    .premium-pdf-host.ppv-low-power[data-device-profile="mobile"] .ppv-toolbar {
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-topline {
        grid-template-columns: 1fr;
        gap: 0.38rem;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-topline-note {
        font-size: 0.78rem;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-topline-badges {
        justify-content: flex-start;
    }

    .ppv-toolbar-main {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }

    .ppv-toolbar-advanced {
        grid-template-columns: 1fr;
        gap: 0.42rem;
    }

    .ppv-controls {
        justify-content: flex-start;
    }

    .premium-pdf-host[data-device-profile="mobile"] [data-ppv-toggle-thumbs],
    .premium-pdf-host[data-device-profile="mobile"] [data-ppv-tools-toggle],
    .premium-pdf-host[data-device-profile="mobile"] [data-ppv-prev],
    .premium-pdf-host[data-device-profile="mobile"] [data-ppv-next] {
        display: none;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-controls-nav,
    .premium-pdf-host[data-device-profile="mobile"] .ppv-controls-links {
        flex-wrap: nowrap;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0.06rem;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-controls-nav::-webkit-scrollbar,
    .premium-pdf-host[data-device-profile="mobile"] .ppv-controls-links::-webkit-scrollbar {
        display: none;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-controls-nav > *,
    .premium-pdf-host[data-device-profile="mobile"] .ppv-controls-links > * {
        flex: 0 0 auto;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-page-field {
        min-width: max-content;
    }

    .ppv-search-form {
        grid-template-columns: 1fr auto;
    }

    .ppv-search-actions {
        width: 100%;
    }

    .ppv-body {
        grid-template-columns: 1fr;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-thumbs {
        position: absolute;
        top: auto;
        left: 0.48rem;
        right: 0.48rem;
        bottom: calc(6.2rem + env(safe-area-inset-bottom));
        z-index: 16;
        width: auto;
        max-height: min(52vh, 420px);
        border: 1px solid var(--ppv-line);
        border-radius: 20px 20px 14px 14px;
        background: linear-gradient(180deg, rgba(243, 248, 253, 0.98), rgba(237, 244, 251, 0.98));
        transform: translateY(112%);
        transition: transform 0.22s ease;
        box-shadow: 0 -18px 40px rgba(15, 31, 48, 0.2);
        overscroll-behavior: contain;
    }

    .premium-pdf-host[data-device-profile="mobile"].ppv-thumbs-hidden .ppv-thumbs {
        display: block;
        transform: translateY(112%);
    }

    .premium-pdf-host[data-device-profile="mobile"].ppv-mobile-pages-open .ppv-thumbs {
        transform: translateY(0);
    }

    .ppv-stage {
        height: min(calc(var(--app-vh, 1vh) * 62), 760px);
        max-height: min(calc(var(--app-vh, 1vh) * 62), 760px);
        padding-bottom: calc(0.86rem + env(safe-area-inset-bottom));
    }

    .premium-pdf-host[data-mode="home"] .ppv-stage {
        height: min(calc(var(--app-vh, 1vh) * 52), 560px);
        max-height: min(calc(var(--app-vh, 1vh) * 52), 560px);
    }

    .ppv-btn,
    .ppv-link {
        min-height: 40px;
        font-size: 0.9rem;
    }

    .premium-pdf-host[data-device-profile="mobile"][data-nav-mode="flip"] .ppv-page-shell {
        inset: 0.38rem;
    }

    .premium-pdf-host[data-device-profile="mobile"][data-nav-mode="flip"] .ppv-page-canvas-wrap {
        min-height: 0;
    }

    .premium-pdf-host[data-device-profile="mobile"][data-nav-mode="flip"] .ppv-page-canvas {
        max-height: calc(var(--ppv-stage-height) - 128px);
    }

    .premium-pdf-host[data-device-profile="mobile"][data-nav-mode="flip"].ppv-flip-pan-enabled .ppv-page-canvas-wrap {
        max-height: calc(var(--ppv-stage-height) - 128px);
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-stage-rail {
        display: none;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-toolbar-advanced {
        position: absolute;
        left: 0.48rem;
        right: 0.48rem;
        bottom: calc(6.2rem + env(safe-area-inset-bottom));
        z-index: 17;
        max-height: min(58vh, 460px);
        overflow-y: auto;
        padding: 0.72rem;
        border: 1px solid var(--ppv-line);
        border-radius: 20px 20px 14px 14px;
        background: linear-gradient(180deg, rgba(245, 250, 255, 0.99), rgba(237, 244, 251, 0.98));
        box-shadow: 0 -18px 40px rgba(15, 31, 48, 0.22);
        transform: translateY(112%);
        opacity: 0;
        pointer-events: none;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-toolbar-advanced[hidden] {
        display: grid !important;
    }

    .premium-pdf-host[data-device-profile="mobile"].ppv-tools-open .ppv-toolbar-advanced {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-footer-nav {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        grid-template-areas:
            "prev pages next tools"
            "range range range range"
            "page page page page";
        gap: 0.4rem;
        padding: 0.46rem 0.5rem calc(0.52rem + env(safe-area-inset-bottom));
        -webkit-backdrop-filter: blur(11px);
        backdrop-filter: blur(11px);
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-footer-mobile-only {
        display: inline-flex;
    }

    .premium-pdf-host[data-device-profile="mobile"] [data-ppv-footer-prev] {
        grid-area: prev;
    }

    .premium-pdf-host[data-device-profile="mobile"] [data-ppv-footer-pages] {
        grid-area: pages;
    }

    .premium-pdf-host[data-device-profile="mobile"] [data-ppv-footer-next] {
        grid-area: next;
    }

    .premium-pdf-host[data-device-profile="mobile"] [data-ppv-footer-tools] {
        grid-area: tools;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-footer-range-wrap {
        grid-area: range;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-footer-page {
        grid-area: page;
        text-align: center;
        min-width: 0;
    }

    .premium-pdf-host[data-device-profile="mobile"][data-hide-prev-next="1"] .ppv-footer-nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-areas:
            "pages tools"
            "range range"
            "page page";
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-footer-btn {
        min-width: 0;
    }

    .premium-pdf-modal {
        padding:
            calc(0.35rem + (env(safe-area-inset-top) * 0.15))
            calc(0.35rem + (env(safe-area-inset-right) * 0.15))
            calc(0.35rem + (env(safe-area-inset-bottom) * 0.15))
            calc(0.35rem + (env(safe-area-inset-left) * 0.15));
    }

    .premium-pdf-modal-dialog {
        max-height: calc((var(--app-vh, 1vh) * 100) - 0.7rem);
    }
}

@media (max-width: 560px) {
    .ppv-shell {
        border-radius: 12px;
    }

    .ppv-toolbar {
        padding: 0.46rem;
    }

    .ppv-topline-title {
        font-size: 1rem;
    }

    .ppv-topline-pill {
        min-height: 32px;
        padding: 0.34rem 0.56rem;
    }

    .ppv-toolbar-main,
    .ppv-toolbar-advanced {
        gap: 0.34rem;
    }

    .ppv-controls {
        gap: 0.3rem;
    }

    .ppv-controls-links .ppv-btn,
    .ppv-controls-links .ppv-link {
        min-width: 0;
    }

    .ppv-page-field {
        width: 100%;
        justify-content: space-between;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-page-field {
        width: auto;
        justify-content: flex-start;
        min-width: max-content;
    }

    .ppv-page-field input {
        width: 3.8rem;
        min-width: 3.8rem;
    }

    .ppv-search-form {
        grid-template-columns: 1fr;
    }

    .ppv-search-actions {
        justify-content: stretch;
    }

    .ppv-search-actions .ppv-btn {
        flex: 1 1 0;
    }

    .ppv-search-meta {
        width: 100%;
        justify-content: center;
    }

    .ppv-stage {
        padding: 0.54rem 0.54rem calc(0.72rem + env(safe-area-inset-bottom));
        height: min(calc(var(--app-vh, 1vh) * 64), 640px);
        max-height: min(calc(var(--app-vh, 1vh) * 64), 640px);
    }

    .premium-pdf-host[data-mode="home"] .ppv-stage {
        height: min(calc(var(--app-vh, 1vh) * 50), 500px);
        max-height: min(calc(var(--app-vh, 1vh) * 50), 500px);
    }

    .ppv-page-canvas-wrap {
        min-height: 200px;
    }

    .ppv-status {
        font-size: 0.82rem;
    }

    .premium-pdf-host[data-device-profile="mobile"] .ppv-thumbs,
    .premium-pdf-host[data-device-profile="mobile"] .ppv-toolbar-advanced {
        left: 0.34rem;
        right: 0.34rem;
        bottom: calc(6.55rem + env(safe-area-inset-bottom));
    }
}

body.dark-mode .premium-pdf-host {
    --ppv-line: #485d74;
    --ppv-line-strong: #627d98;
    --ppv-bg: #243447;
    --ppv-panel: #2a3b50;
    --ppv-text: #e9f1fa;
    --ppv-muted: #b7c8da;
    --ppv-accent: #b8cee0;
    --ppv-accent-strong: #d8e5f2;
    --ppv-shadow: 0 16px 34px rgba(3, 8, 14, 0.45);
}

body.dark-mode .ppv-shell {
    border-color: #4d637b;
    background: linear-gradient(160deg, rgba(43, 58, 76, 0.96), rgba(34, 47, 63, 0.96));
}

body.dark-mode .ppv-toolbar {
    border-bottom-color: #4d637b;
    background: linear-gradient(180deg, rgba(44, 60, 79, 0.95), rgba(39, 53, 70, 0.95));
}

body.dark-mode .ppv-topline-pill {
    border-color: #64809c;
    background: rgba(43, 61, 82, 0.86);
    color: #d8e6f4;
}

body.dark-mode .ppv-toolbar-advanced {
    border-bottom-color: #4d637b;
    background: linear-gradient(180deg, rgba(44, 60, 79, 0.95), rgba(39, 53, 70, 0.95));
}

body.dark-mode .ppv-btn,
body.dark-mode .ppv-link,
body.dark-mode .ppv-page-field,
body.dark-mode .ppv-search-form input {
    border-color: #64809c;
    background: #2b3d52;
    color: #e8f1fb;
}

body.dark-mode .ppv-search-meta {
    border-color: #64809c;
    background: rgba(43, 61, 82, 0.88);
    color: #cedeed;
}

body.dark-mode .ppv-btn:hover,
body.dark-mode .ppv-link:hover {
    border-color: #8cadcb;
    background: #354b63;
}

body.dark-mode .ppv-btn.is-active {
    background: linear-gradient(140deg, #c5d9ea, #9eb8cf);
    color: #142536;
}

body.dark-mode .ppv-btn.is-alt {
    background: #31465b;
    color: #d6e4f2;
}

body.dark-mode .ppv-body,
body.dark-mode .ppv-thumbs {
    background: linear-gradient(180deg, #2a3b4f, #243446);
}

body.dark-mode .ppv-thumb {
    border-color: #5f7892;
    background: #2b3d51;
    color: #e6f0fa;
}

body.dark-mode .ppv-jump-title {
    border-color: #6b86a2;
    background: rgba(45, 63, 82, 0.9);
    color: #c7d7e8;
}

body.dark-mode .ppv-thumb-canvas-wrap,
body.dark-mode .ppv-page-canvas-wrap {
    border-color: #5b738d;
    background: #26374b;
}

body.dark-mode .ppv-page-shell {
    border-color: #5f7891;
    background: #2c3e52;
}

body.dark-mode .ppv-page-number {
    border-color: #6886a5;
    background: #30465d;
    color: #d7e7f7;
}

body.dark-mode .ppv-stage-rail {
    border-color: #6886a5;
    background: rgba(40, 56, 74, 0.84);
    color: #ecf5fd;
    box-shadow: 0 18px 34px rgba(4, 9, 15, 0.42);
}

body.dark-mode .ppv-progress {
    border-color: #6886a4;
    background: rgba(42, 59, 78, 0.95);
}

body.dark-mode .ppv-progress-text {
    color: #d4e4f5;
}

body.dark-mode .ppv-status {
    border-top-color: #5b7591;
    background: linear-gradient(180deg, rgba(41, 57, 76, 0.95), rgba(35, 49, 66, 0.95));
}

body.dark-mode .ppv-mobile-sheet-backdrop {
    background: rgba(3, 10, 18, 0.42);
}

body.dark-mode .ppv-footer-nav {
    border-top-color: #5b7591;
    background: linear-gradient(180deg, rgba(41, 57, 76, 0.95), rgba(35, 49, 66, 0.95));
}

body.dark-mode .ppv-footer-page {
    color: #c4d6e8;
}

body.dark-mode .premium-pdf-modal-dialog {
    border-color: #64809b;
    background: #26374b;
}

body.dark-mode .premium-pdf-modal-head {
    border-bottom-color: #5e7894;
    background: linear-gradient(180deg, #2d4158, #26384b);
}

body.dark-mode .premium-pdf-modal-head h3,
body.dark-mode .premium-pdf-modal-close {
    color: #deebf8;
}

body.dark-mode .premium-pdf-modal-close {
    border-color: #6f8ca8;
    background: #31475f;
}

body.dark-mode .premium-pdf-host[data-device-profile="mobile"] .ppv-thumbs,
body.dark-mode .premium-pdf-host[data-device-profile="mobile"] .ppv-toolbar-advanced {
    background: linear-gradient(180deg, rgba(42, 59, 78, 0.98), rgba(34, 48, 63, 0.98));
}

body.perf-lite .ppv-btn,
body.perf-lite .ppv-link,
body.perf-lite .ppv-thumb,
body.perf-lite .ppv-page-shell {
    transition: none;
}

body.perf-lite .ppv-stage-rail {
    transition: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

body.perf-lite .ppv-stage {
    scroll-behavior: auto;
}