.pdf-single-viewer {
    display: flex;
    flex-direction: column;
    height: min(140vh, 1150px);
    min-height: 900px;
    overflow: hidden;
    background: #eef1f4;
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    box-shadow: 0 0.25rem 1rem rgb(0 0 0 / 10%);
}

.pdf-single-toolbar,
.pdf-single-footer {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #fff;
}

.pdf-single-toolbar {
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid #dee2e6;
}

.pdf-single-footer {
    justify-content: center;
    border-top: 1px solid #dee2e6;
}

.pdf-page-info {
    white-space: nowrap;
    color: #495057;
    font-size: 0.9rem;
}

.pdf-page-area {
    position: relative;
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    min-height: 0;
    padding: 1rem;
    overflow: auto;
}

.pdf-canvas {
    display: block;
    background: #fff;
    box-shadow: 0 0.3rem 1.25rem rgb(0 0 0 / 22%);
}

.pdf-loading {
    color: #6c757d;
    font-size: 0.95rem;
}

@media (max-width: 575.98px) {
    .pdf-single-viewer {
        height: 68vh;
        min-height: 460px;
    }

    .pdf-single-toolbar {
        padding: 0.6rem;
        gap: 0.4rem;
    }

    .pdf-page-area {
        padding: 0.5rem;
    }
}

.pdf-single-toolbar {
    justify-content: center;
    gap: 0.35rem;
    min-height: 48px;
    margin: 0.7rem 0.75rem 0;
    padding: 0.35rem 0.65rem;
    color: #f8f9fa;
    background: #292727;
    border: 0;
    border-radius: 1.0rem;
}

.pdf-navigation,
.pdf-search-form,
.pdf-zoom-controls {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.pdf-tool-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    min-height: 30px;
    padding: 0.2rem 0.4rem;
    color: #f8f9fa;
    font-size: 0.8rem;
    line-height: 1;
    text-decoration: none;
    background: transparent;
    border: 0;
    border-radius: 0.3rem;
    cursor: pointer;
}

.pdf-tool-button:hover,
.pdf-tool-button:focus-visible {
    color: #fff;
    background: rgb(255 255 255 / 15%);
    outline: 0;
}

.pdf-tool-button:disabled {
    opacity: 0.45;
    cursor: default;
}

.pdf-tool-button .bi {
    font-size: 0.95rem !important;
    line-height: 1;
}

.pdf-page-control {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin: 0;
    font-size: 0.8rem;
    white-space: nowrap;
}

.pdf-page-input {
    width: 2.4rem;
    padding: 0.08rem 0.15rem;
    color: #fff;
    font-size: 0.8rem;
    text-align: center;
    background: transparent;
    border: 1px solid rgb(255 255 255 / 40%);
    border-radius: 0.2rem;
}

.pdf-page-total,
.pdf-search-result {
    font-size: 0.8rem;
    white-space: nowrap;
}

.pdf-toolbar-divider {
    width: 1px;
    height: 1.2rem;
    margin: 0 0.3rem;
    background: rgb(255 255 255 / 45%);
}

.pdf-search-input {
    width: 170px;
    padding: 0.2rem 0.3rem;
    color: #fff;
    font-size: 0.8rem;
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgb(255 255 255 / 50%);
    outline: 0;
}

.pdf-search-input::placeholder {
    color: rgb(255 255 255 / 70%);
}

@media (max-width: 767.98px) {
    .pdf-single-toolbar {
        justify-content: flex-start;
        border-radius: 0.65rem;
        flex-wrap: wrap;
    }

    .pdf-search-input {
        width: 140px;
    }

    .pdf-search-result {
        display: none;
    }
}

@media (max-width: 575.98px) {
    .pdf-navigation .pdf-tool-button span {
        display: none;
    }

    .pdf-toolbar-divider {
        display: none;
    }

    .pdf-search-input {
        width: 125px;
    }
}

.pdf-page-wrapper {
    position: relative;
    flex: 0 0 auto;
    background: #fff;
    box-shadow: 0 0.3rem 1.25rem rgb(0 0 0 / 22%);
}

.pdf-page-wrapper .pdf-canvas {
    display: block;
    background: #fff;
}

.pdf-text-layer {
    position: absolute;
    inset: 0;
    overflow: hidden;
    line-height: 1;
    text-align: initial;
    text-size-adjust: none;
    transform-origin: 0 0;
}

.pdf-text-layer span,
.pdf-text-layer br {
    position: absolute;
    color: transparent;
    white-space: pre;
    cursor: text;
    transform-origin: 0 0;
}

.pdf-text-layer ::selection {
    background: rgb(0 123 255 / 38%);

}

.pdf-text-layer span.pdf-search-match {
    background: rgb(255 220 0 / 65%);
    border-radius: 2px;
}

.pdf-search-navigation {
    display: flex;
    align-items: center;
    gap: 0.15rem;
}


.pdf-single-toolbar {
    min-height: 60px;
    padding: 0.65rem 0.75rem;
}

.pdf-tool-button,
.pdf-page-control,
.pdf-page-total,
.pdf-search-result {
    font-size: 0.9rem;
}

.pdf-tool-button .bi {
    font-size: 1.05rem !important;
}

.pdf-page-input {
    width: 2.7rem;
    font-size: 0.9rem;
}

.pdf-search-input {
    width: 185px;
    font-size: 0.9rem;
}

.pdf-search-navigation[hidden] {
    display: none !important;
}

.pdf-page-wrapper {
    will-change: opacity, transform;
}

.pdf-page-exit-to-left {
    animation: pdf-page-exit-to-left 0.22s ease-in forwards;
}

.pdf-page-exit-to-right {
    animation: pdf-page-exit-to-right 0.22s ease-in forwards;
}

.pdf-page-enter-from-right {
    animation: pdf-page-enter-from-right 0.24s ease-out both;
}

.pdf-page-enter-from-left {
    animation: pdf-page-enter-from-left 0.24s ease-out both;
}

@keyframes pdf-page-exit-to-left {
    to {
        opacity: 0;
        transform: translateX(-42px);
    }
}

@keyframes pdf-page-exit-to-right {
    to {
        opacity: 0;
        transform: translateX(42px);
    }
}

@keyframes pdf-page-enter-from-right {
    from {
        opacity: 0;
        transform: translateX(42px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pdf-page-enter-from-left {
    from {
        opacity: 0;
        transform: translateX(-42px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .pdf-page-exit-to-left,
    .pdf-page-exit-to-right,
    .pdf-page-enter-from-right,
    .pdf-page-enter-from-left {
        animation: none;
    }
}