:root {
    --salome-pdf-toolbar: #323232;
    --salome-pdf-toolbar-hover: #4a4a4a;
    --salome-pdf-sidebar: #eeeeee;
    --salome-pdf-bg: #525252;
    --salome-pdf-border: #222;
}

.salome-pdf-viewer {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 280px;
    overflow: hidden;
    background: var(--salome-pdf-bg);
    border: 1px solid var(--salome-pdf-border);
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
    color: #fff;
}

.salome-pdf-title {
    padding: 8px 12px;
    background: #242424;
    font-size: 13px;
}

.salome-pdf-loading {
    position: absolute;
    z-index: 20;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #525252;
    font-size: 14px;
}

.salome-pdf-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: salome-pdf-spin .8s linear infinite;
}

@keyframes salome-pdf-spin {
    to { transform: rotate(360deg); }
}

.salome-pdf-toolbar {
    flex: 0 0 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 4px 7px;
    box-sizing: border-box;
    background: var(--salome-pdf-toolbar);
    border-bottom: 1px solid #202020;
}

.salome-pdf-toolbar button,
.salome-pdf-searchbar button {
    appearance: none;
    border: 0;
    background: transparent;
    color: #fff;
    min-width: 30px;
    height: 32px;
    padding: 0 7px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 18px;
}

.salome-pdf-toolbar button:hover,
.salome-pdf-searchbar button:hover {
    background: var(--salome-pdf-toolbar-hover);
}

.salome-pdf-toolbar input {
    width: 42px;
    height: 28px;
    box-sizing: border-box;
    text-align: center;
    border: 1px solid #888;
    border-radius: 2px;
    background: #fff;
    color: #222;
}

.salome-pdf-page-count {
    font-size: 13px;
    white-space: nowrap;
}

.salome-pdf-spacer {
    flex: 1;
}

.salome-pdf-searchbar {
    flex: 0 0 42px;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 8px;
    background: #424242;
    border-bottom: 1px solid #222;
}

.salome-pdf-searchbar input {
    flex: 1;
    max-width: 420px;
    height: 30px;
    border: 0;
    border-radius: 3px;
    padding: 0 9px;
}

.salome-pdf-searchbar span {
    font-size: 12px;
    min-width: 55px;
}

.salome-pdf-body {
    position: relative;
    display: flex;
    flex: 1;
    min-height: 0;
}

.salome-pdf-sidebar {
    flex: 0 0 235px;
    width: 235px;
    background: var(--salome-pdf-sidebar);
    color: #222;
    overflow: hidden;
    border-right: 1px solid #333;
    box-sizing: border-box;
}

.salome-pdf-sidebar-tabs {
    display: flex;
    height: 38px;
    background: #ddd;
    border-bottom: 1px solid #bbb;
}

.salome-pdf-sidebar-tabs button {
    flex: 1;
    border: 0;
    background: transparent;
    cursor: pointer;
    font-size: 12px;
}

.salome-pdf-sidebar-tabs button:hover {
    background: #ccc;
}

.salome-pdf-thumbnails,
.salome-pdf-outline {
    height: calc(100% - 38px);
    overflow: auto;
    padding: 10px;
    box-sizing: border-box;
}

.salome-pdf-thumb {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 175px;
    margin: 0 0 10px;
    padding: 18px 5px 5px;
    border: 1px solid #bbb;
    background: #fff;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(0,0,0,.15);
}

.salome-pdf-thumb:hover {
    border-color: #777;
}

.salome-pdf-thumb canvas {
    max-width: 100%;
    height: auto;
}

.thumb-number {
    position: absolute;
    top: 2px;
    left: 5px;
    color: #555;
    font-size: 11px;
}

.salome-pdf-outline-item {
    width: 100%;
    display: block;
    text-align: left;
    padding: 7px;
    border: 0;
    background: transparent;
    cursor: pointer;
    font-size: 12px;
    color: #222;
}

.salome-pdf-outline-item:hover {
    background: #ddd;
}

.salome-pdf-outline-children {
    padding-left: 12px;
}

.outline-empty {
    padding: 12px;
    font-size: 12px;
    color: #777;
}

.salome-pdf-scroll {
    position: relative;
    flex: 1;
    min-width: 0;
    min-height: 0;
    overflow: auto;
    background: var(--salome-pdf-bg);
    outline: none;
}

.salome-pdf-container {
    position: relative;
    min-width: 100%;
    padding: 20px 0 40px;
}

.salome-pdf-container .page {
    margin: 0 auto 12px;
    position: relative;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,.35);
}

.salome-pdf-container .canvasWrapper {
    overflow: hidden;
}

.salome-pdf-container .textLayer {
    position: absolute;
    inset: 0;
}

.salome-pdf-status {
    flex: 0 0 22px;
    min-height: 22px;
    padding: 3px 8px;
    box-sizing: border-box;
    background: #303030;
    color: #ddd;
    font-size: 11px;
    border-top: 1px solid #202020;
}

.salome-pdf-viewer.has-error .salome-pdf-body {
    opacity: .4;
}

.salome-pdf-viewer.is-ready .salome-pdf-loading {
    display: none;
}

@media (max-width: 700px) {
    .salome-pdf-toolbar {
        gap: 0;
        padding: 3px;
    }

    .salome-pdf-toolbar button {
        min-width: 28px;
        padding: 0 4px;
    }

    .salome-pdf-sidebar {
        flex-basis: 190px;
        width: 190px;
    }

    .salome-pdf-toolbar [data-action="presentation"],
    .salome-pdf-toolbar [data-action="print"] {
        display: none;
    }
}