.materials-app-page {
    margin: 0;
    background: #f7f9fc;
}

.materials-app-page .main-header,
.materials-app-page .site-footer,
.materials-app-page .toTop {
    display: none !important;
}

.materials-app-page .wrapper,
.materials-app-page .site-main,
.materials-app-page .materials-page,
.materials-app-page .materials-page > .container {
    width: 100% !important;
    max-width: none !important;
    min-height: 100vh;
    margin: 0 !important;
    padding: 0 !important;
}

.materials-app-page .materials-hero {
    display: none !important;
}

.materials-app-page .materials-layout {
    display: grid !important;
    grid-template-columns: 330px minmax(0, 1fr);
    min-height: 100vh;
    background: #f7f9fc;
    color: #10264a;
}

.materials-app-page .materials-panel {
    order: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 36px 20px 24px;
    background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
    border: 0;
    border-right: 1px solid #dfe7f2;
    border-radius: 0;
    box-shadow: 10px 0 28px rgba(16, 38, 74, 0.06);
}

.materials-app-page .materials-logo {
    display: block;
    width: 210px;
    margin: 0 0 54px;
}

.materials-app-page .materials-logo img {
    display: block;
    width: 100%;
    height: auto;
}

.materials-app-page .materials-panel h2 {
    margin: 0 0 24px;
    padding: 0;
    border: 0;
    color: #10264a;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .04em;
    line-height: 1.2;
    text-transform: uppercase;
}

.materials-app-page .materials-tree {
    margin: 0;
}

.materials-app-page .materials-tree details {
    padding: 17px 0;
    border-top: 1px solid #dfe7f2;
}

.materials-app-page .materials-tree details:first-child {
    border-top: 0;
    padding-top: 0;
}

.materials-app-page .materials-tree summary {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 24px;
    cursor: pointer;
    color: #10264a;
    font-size: 15px;
    font-weight: 800;
    line-height: 1.25;
    list-style: none;
}

.materials-app-page .materials-tree summary::-webkit-details-marker {
    display: none;
}

.materials-app-page .materials-tree summary::before {
    content: "□";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 19px;
    color: #10264a;
    font-size: 18px;
    font-weight: 400;
}

.materials-app-page .materials-tree details:nth-of-type(1) summary::before {
    content: "⚒";
    font-size: 17px;
}

.materials-app-page .materials-tree details:nth-of-type(2) summary::before {
    content: "✣";
    font-size: 17px;
}

.materials-app-page .materials-tree details:nth-of-type(3) summary::before {
    content: "▣";
    font-size: 17px;
}

.materials-app-page .materials-tree details:nth-of-type(4) summary::before {
    content: "▧";
    font-size: 17px;
}

.materials-app-page .materials-tree details:nth-of-type(5) summary::before {
    content: "▯";
    font-size: 18px;
}

.materials-app-page .materials-tree summary::after {
    content: "⌃";
    margin-left: auto;
    color: #10264a;
    font-size: 18px;
    line-height: 1;
}

.materials-app-page .materials-tree details:not([open]) summary::after {
    content: "⌄";
}

.materials-app-page .materials-tree ul {
    margin: 14px 0 0 22px;
    padding: 0;
    list-style: none;
}

.materials-app-page .materials-tree li {
    margin: 5px 0;
}

.materials-app-page .materials-tree button,
.materials-app-page .materials-tree a,
.materials-app-page .materials-tree .materials-disabled {
    position: relative;
    display: block;
    width: 100%;
    min-height: 38px;
    padding: 10px 10px 10px 34px;
    border: 0;
    border-radius: 5px;
    background: transparent !important;
    box-shadow: none !important;
    color: #10264a !important;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    text-align: left;
    text-decoration: none;
    text-transform: none;
}

.materials-app-page .materials-tree button {
    cursor: pointer;
}

.materials-app-page .materials-tree button::before,
.materials-app-page .materials-tree a::before,
.materials-app-page .materials-tree .materials-disabled::before {
    content: "▤";
    position: absolute;
    left: 12px;
    top: 10px;
    color: #31537e;
    font-size: 14px;
}

.materials-app-page .materials-tree button:hover,
.materials-app-page .materials-tree button:focus,
.materials-app-page .materials-tree button.is-active,
.materials-app-page .materials-tree a:hover,
.materials-app-page .materials-tree a:focus {
    background: #edf3fb !important;
    color: #154790 !important;
    outline: none;
}

.materials-app-page .materials-tree button.is-active {
    background: #154790 !important;
    color: #ffffff !important;
}

.materials-app-page .materials-tree button.is-active::before {
    color: #ffffff;
}

.materials-app-page .materials-tree .materials-disabled {
    color: #10264a !important;
    cursor: not-allowed;
}

.materials-app-page .materials-viewer-panel {
    order: 2;
    min-width: 0;
    min-height: 100vh;
    padding: 38px 18px 16px 28px;
    background: #f7f9fc;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
}

.materials-app-page .materials-current {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin: 0 0 30px;
    padding: 0;
    border: 0;
    background: transparent;
}

.materials-app-page .materials-current h2 {
    margin: 0;
    color: #10264a;
    font-size: 30px;
    font-weight: 800;
    line-height: 1.15;
}

.materials-app-page .materials-top-right {
    display: flex;
    align-items: flex-start;
    gap: 64px;
}

.materials-app-page .materials-actions {
    display: flex;
    gap: 12px;
    flex-wrap: nowrap;
    justify-content: flex-end;
}

.materials-app-page .materials-actions a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 17px;
    border: 1px solid #154790;
    border-radius: 4px;
    background: #ffffff;
    color: #154790;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
}

.materials-app-page .materials-actions a::after {
    content: "↗";
    margin-left: 8px;
    font-size: 13px;
}

.materials-app-page .materials-actions a:last-child {
    background: #154790;
    color: #ffffff;
}

.materials-app-page .materials-actions a:last-child::after {
    content: "↓";
}

.materials-app-page .materials-actions a:hover,
.materials-app-page .materials-actions a:focus {
    background: #0f356d;
    border-color: #0f356d;
    color: #ffffff;
}

.materials-app-page .materials-page-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #10264a;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.materials-app-page .materials-page-link input {
    width: 72px;
    min-height: 42px;
    padding: 8px 10px;
    border: 1px solid #cbd9ed;
    border-radius: 4px;
    background: #ffffff;
    color: #10264a;
    font-size: 14px;
}

.materials-app-page .materials-page-link button {
    min-height: 42px;
    padding: 10px 14px;
    border: 1px solid #154790;
    border-radius: 4px;
    background: #ffffff !important;
    color: #154790 !important;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.2;
    text-transform: none;
    white-space: nowrap;
}

.materials-app-page .materials-page-link button:hover,
.materials-app-page .materials-page-link button:focus {
    background: #edf3fb !important;
    color: #154790 !important;
    outline: none;
}

.materials-app-page .materials-page-link span {
    min-width: 0;
    color: #154790;
    font-size: 12px;
    font-weight: 700;
}

.materials-app-page .materials-lang {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding-top: 4px;
}

.materials-app-page .materials-lang a {
    display: inline-flex;
    width: 24px;
    height: 16px;
    overflow: hidden;
    border-radius: 1px;
    box-shadow: 0 0 0 1px rgba(16, 38, 74, .08);
}

.materials-app-page .materials-lang img,
.materials-app-page .materials-lang span {
    display: block;
    width: 100%;
    height: 100%;
}

.materials-app-page .materials-lang .flag-fr {
    background: linear-gradient(to right, #0055a4 0 33.333%, #ffffff 33.333% 66.666%, #ef4135 66.666% 100%);
}

.materials-app-page .materials-lang .flag-es {
    background: linear-gradient(to bottom, #aa151b 0 25%, #f1bf00 25% 75%, #aa151b 75% 100%);
}

.materials-app-page .materials-pdf-frame {
    display: block;
    width: 100%;
    height: calc(100vh - 138px);
    min-height: 700px;
    border: 0;
    border-radius: 4px;
    background: #222b32;
    box-shadow: 0 12px 34px rgba(16, 38, 74, 0.16);
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 1280px) {
    .materials-app-page .materials-layout {
        grid-template-columns: 300px minmax(0, 1fr);
    }

    .materials-app-page .materials-top-right {
        gap: 24px;
    }
}

@media (max-width: 991px) {
    .materials-app-page .materials-layout {
        grid-template-columns: 1fr;
    }

    .materials-app-page .materials-panel,
    .materials-app-page .materials-viewer-panel {
        min-height: auto;
    }

    .materials-app-page .materials-panel {
        padding: 24px 18px;
        border-right: 0;
        border-bottom: 1px solid #dfe7f2;
    }

    .materials-app-page .materials-logo {
        margin-bottom: 28px;
    }

    .materials-app-page .materials-viewer-panel {
        padding: 24px 14px;
    }

    .materials-app-page .materials-current,
    .materials-app-page .materials-top-right {
        align-items: flex-start;
        flex-direction: column;
    }

    .materials-app-page .materials-pdf-frame {
        height: 74vh;
        min-height: 520px;
    }
}

@media (max-width: 560px) {
    .materials-app-page .materials-current h2 {
        font-size: 25px;
    }

    .materials-app-page .materials-actions {
        width: 100%;
        flex-direction: column;
    }

    .materials-app-page .materials-actions a {
        width: 100%;
    }

    .materials-app-page .materials-page-link {
        align-items: stretch;
        flex-direction: column;
        width: 100%;
    }

    .materials-app-page .materials-page-link input,
    .materials-app-page .materials-page-link button {
        width: 100%;
    }

    .materials-app-page .materials-pdf-frame {
        height: 72vh;
        min-height: 420px;
    }
}