/* ============================================================
    OJS 3.4.0 — FULL RAINBOW PROFESSIONAL JOURNAL THEME
    Red • Orange • Yellow • Green • Cyan • Blue • Indigo • Violet • Pink
    ============================================================ */


/* ============================================================
   01. RAINBOW COLOR SYSTEM
   ============================================================ */

:root {

    --red: #ef4444;
    --orange: #f97316;
    --yellow: #eab308;
    --lime: #84cc16;
    --green: #22c55e;
    --emerald: #10b981;
    --cyan: #06b6d4;
    --sky: #0ea5e9;
    --blue: #2563eb;
    --indigo: #4f46e5;
    --violet: #7c3aed;
    --purple: #9333ea;
    --pink: #ec4899;
    --rose: #f43f5e;

    --dark: #111827;
    --navy: #172554;
    --text: #374151;
    --muted: #6b7280;

    --white: #ffffff;
    --light: #f8fafc;
    --border: #e5e7eb;

    --shadow:
        0 8px 30px rgba(15, 23, 42, .08);

    --shadow-hover:
        0 18px 45px rgba(15, 23, 42, .16);

    --radius: 14px;
}


/* ============================================================
   02. GLOBAL
   ============================================================ */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {

    margin: 0;

    color: var(--text);

    font-family:
        "Inter",
        "Segoe UI",
        Roboto,
        Arial,
        sans-serif;

    font-size: 16px;

    line-height: 1.7;

    background:

        linear-gradient(
            135deg,
            #fff7ed 0%,
            #fefce8 15%,
            #f0fdf4 30%,
            #ecfeff 45%,
            #eff6ff 60%,
            #eef2ff 75%,
            #faf5ff 88%,
            #fdf2f8 100%
        );
}

img {
    max-width: 100%;
    height: auto;
}

a {

    color: var(--blue);

    text-decoration: none;

    transition:
        all .3s ease;
}

a:hover {

    color: var(--violet);
}


/* ============================================================
   03. MAIN CONTENT
   ============================================================ */

.pkp_structure_content {

    width: 100%;

    max-width: 1280px;

    margin: auto;

    padding:
        50px 25px;
}


/* ============================================================
   04. RAINBOW HEADER
   ============================================================ */

.pkp_structure_head {

    position: relative;

    color: white;

    background:

        linear-gradient(
            90deg,
            #ef4444 0%,
            #f97316 12%,
            #eab308 25%,
            #22c55e 38%,
            #06b6d4 50%,
            #2563eb 63%,
            #4f46e5 75%,
            #9333ea 87%,
            #ec4899 100%
        );

    border: none;

    box-shadow:
        0 8px 35px rgba(0,0,0,.20);

    overflow: hidden;
}


/* Header overlay */

.pkp_structure_head::after {

    content: "";

    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            180deg,
            rgba(255,255,255,.08),
            rgba(0,0,0,.10)
        );

    pointer-events: none;
}


.pkp_head_wrapper {

    position: relative;

    z-index: 2;

    max-width: 1280px;

    margin: auto;

    padding:
        28px 25px;
}


/* ============================================================
   05. JOURNAL LOGO / NAME
   ============================================================ */

.pkp_site_name {

    margin: 0;
}

.pkp_site_name a {

    color: white;

    font-size: 32px;

    font-weight: 900;

    letter-spacing: -.6px;

    text-shadow:
        0 3px 12px rgba(0,0,0,.25);
}

.pkp_site_name a:hover {

    color: #fff700;

}

.pkp_site_name img {

    max-height: 100px;

    width: auto;

    object-fit: contain;
}


/* ============================================================
   06. RAINBOW NAVIGATION
   ============================================================ */

.pkp_navigation_primary_wrapper {

    background:

        linear-gradient(
            90deg,
            #7f1d1d,
            #9a3412,
            #854d0e,
            #166534,
            #155e75,
            #1e3a8a,
            #312e81,
            #581c87,
            #831843
        );

    border: none;

    border-top:
        2px solid rgba(255,255,255,.3);

    border-bottom:
        4px solid transparent;

    border-image:
        linear-gradient(
            90deg,
            #ef4444,
            #f97316,
            #eab308,
            #22c55e,
            #06b6d4,
            #2563eb,
            #7c3aed,
            #ec4899
        ) 1;
}


.pkp_navigation_primary {

    max-width: 1280px;

    margin: auto;
}


.pkp_navigation_primary > li > a {

    color: white;

    padding:
        16px 17px;

    font-size: 14px;

    font-weight: 800;

    text-transform: uppercase;

    letter-spacing: .3px;

    transition: .3s ease;
}


.pkp_navigation_primary > li > a:hover {

    color: white;

    background:

        linear-gradient(
            135deg,
            var(--pink),
            var(--violet),
            var(--blue)
        );

    border-radius: 7px;

    transform:
        translateY(-2px);
}


/* Dropdown */

.pkp_navigation_primary > li > ul {

    background: white;

    border: none;

    border-radius: 10px;

    box-shadow:
        var(--shadow-hover);

    overflow: hidden;
}

.pkp_navigation_primary > li > ul a {

    color: var(--dark);

    padding:
        12px 18px;
}

.pkp_navigation_primary > li > ul a:hover {

    color: white;

    background:

        linear-gradient(
            90deg,
            var(--blue),
            var(--violet)
        );
}


/* ============================================================
   07. PAGE TITLES
   ============================================================ */

.page_title {

    position: relative;

    color: var(--navy);

    font-size: 37px;

    font-weight: 900;

    line-height: 1.3;

    padding-bottom:
        20px;

    margin-bottom:
        38px;
}


.page_title::after {

    content: "";

    position: absolute;

    left: 0;

    bottom: 0;

    width: 150px;

    height: 6px;

    border-radius: 20px;

    background:

        linear-gradient(
            90deg,
            #ef4444,
            #f97316,
            #eab308,
            #22c55e,
            #06b6d4,
            #2563eb,
            #7c3aed,
            #ec4899
        );
}


/* ============================================================
   08. HOMEPAGE ABOUT
   ============================================================ */

.homepage_about {

    position: relative;

    background: white;

    padding: 38px;

    margin-bottom: 35px;

    border-radius:
        var(--radius);

    box-shadow:
        var(--shadow);

    overflow: hidden;
}


.homepage_about::before {

    content: "";

    position: absolute;

    left: 0;
    top: 0;

    width: 8px;
    height: 100%;

    background:

        linear-gradient(
            180deg,
            #ef4444,
            #f97316,
            #eab308,
            #22c55e,
            #06b6d4,
            #2563eb,
            #7c3aed,
            #ec4899
        );
}


.homepage_about h2 {

    color:
        var(--navy);

    font-weight:
        900;
}


/* ============================================================
   09. ARTICLE CARDS
   ============================================================ */

.obj_article_summary {

    position: relative;

    background: white;

    padding: 28px;

    margin-bottom: 23px;

    border:
        1px solid var(--border);

    border-radius:
        var(--radius);

    box-shadow:
        var(--shadow);

    overflow: hidden;

    transition:
        all .35s ease;
}


.obj_article_summary::before {

    content: "";

    position: absolute;

    left: 0;
    top: 0;

    width: 6px;
    height: 100%;

    background:

        linear-gradient(
            180deg,
            var(--red),
            var(--orange),
            var(--yellow),
            var(--green),
            var(--cyan),
            var(--blue),
            var(--violet),
            var(--pink)
        );
}


.obj_article_summary:hover {

    transform:
        translateY(-7px);

    box-shadow:
        var(--shadow-hover);

    border-color:
        #c4b5fd;
}


.obj_article_summary .title {

    font-size:
        21px;

    line-height:
        1.45;

    font-weight:
        800;
}


.obj_article_summary .title a {

    color:
        var(--navy);
}


.obj_article_summary .title a:hover {

    color:
        var(--pink);
}


.obj_article_summary .authors {

    color:
        var(--muted);

    font-size:
        14px;
}


/* ============================================================
   10. DIFFERENT ARTICLE COLOR ACCENTS
   ============================================================ */

.obj_article_summary:nth-child(1)::before {

    background:
        linear-gradient(
            180deg,
            #ef4444,
            #f97316
        );
}

.obj_article_summary:nth-child(2)::before {

    background:
        linear-gradient(
            180deg,
            #f97316,
            #eab308
        );
}

.obj_article_summary:nth-child(3)::before {

    background:
        linear-gradient(
            180deg,
            #22c55e,
            #06b6d4
        );
}

.obj_article_summary:nth-child(4)::before {

    background:
        linear-gradient(
            180deg,
            #06b6d4,
            #2563eb
        );
}

.obj_article_summary:nth-child(5)::before {

    background:
        linear-gradient(
            180deg,
            #4f46e5,
            #7c3aed
        );
}

.obj_article_summary:nth-child(6)::before {

    background:
        linear-gradient(
            180deg,
            #9333ea,
            #ec4899
        );
}


/* ============================================================
   11. ISSUE CARDS
   ============================================================ */

.obj_issue_summary {

    position: relative;

    background: white;

    padding: 30px;

    margin-bottom: 25px;

    border-radius:
        var(--radius);

    border:
        1px solid var(--border);

    box-shadow:
        var(--shadow);

    overflow: hidden;

    transition:
        all .35s ease;
}


.obj_issue_summary:hover {

    transform:
        translateY(-8px);

    box-shadow:
        var(--shadow-hover);
}


.obj_issue_summary h2 {

    color:
        var(--violet);

    font-weight:
        900;
}


.obj_issue_summary img {

    border-radius:
        12px;

    box-shadow:
        var(--shadow);
}


/* ============================================================
   12. ARTICLE DETAILS
   ============================================================ */

.obj_article_details {

    background:
        white;

    padding:
        42px;

    border-radius:
        16px;

    box-shadow:
        var(--shadow);

    border-top:
        6px solid transparent;

    border-image:

        linear-gradient(
            90deg,
            #ef4444,
            #f97316,
            #eab308,
            #22c55e,
            #06b6d4,
            #2563eb,
            #7c3aed,
            #ec4899
        ) 1;
}


.obj_article_details .page_title {

    color:
        var(--navy);

    font-size:
        34px;
}


/* ============================================================
   13. ABSTRACT
   ============================================================ */

.abstract {

    background:

        linear-gradient(
            135deg,
            #fff1f2,
            #fff7ed,
            #fefce8,
            #ecfdf5,
            #ecfeff,
            #eff6ff,
            #f5f3ff,
            #fdf2f8
        );

    padding:
        30px;

    margin:
        30px 0;

    border-radius:
        12px;

    border-left:
        7px solid var(--violet);

    box-shadow:
        0 8px 25px rgba(124,58,237,.07);
}


.abstract h2 {

    color:
        var(--violet);

    margin-top:
        0;

    font-weight:
        900;
}


/* ============================================================
   14. KEYWORDS
   ============================================================ */

.item.keywords .value {

    display:
        inline-block;

    padding:
        6px 14px;

    margin:
        3px;

    border-radius:
        25px;

    color:
        var(--navy);

    font-weight:
        700;

    background:

        linear-gradient(
            135deg,
            #cffafe,
            #dbeafe,
            #ede9fe,
            #fce7f3
        );

    border:
        1px solid #c4b5fd;
}


/* ============================================================
   15. RAINBOW BUTTON
   ============================================================ */

button,
.btn,
.cmp_button,
a.cmp_button {

    display:
        inline-block;

    padding:
        11px 22px;

    border:
        none;

    border-radius:
        8px;

    color:
        white;

    font-weight:
        800;

    cursor:
        pointer;

    background:

        linear-gradient(
            90deg,
            #ef4444,
            #f97316,
            #eab308,
            #22c55e,
            #06b6d4,
            #2563eb,
            #7c3aed,
            #ec4899
        );

    background-size:
        250% 100%;

    box-shadow:
        0 7px 20px rgba(79,70,229,.20);

    transition:
        all .4s ease;
}


button:hover,
.btn:hover,
.cmp_button:hover,
a.cmp_button:hover {

    color:
        white;

    background-position:
        100% 0;

    transform:
        translateY(-3px);

    box-shadow:
        0 12px 30px rgba(124,58,237,.25);
}


/* ============================================================
   16. SEARCH
   ============================================================ */

.pkp_search input {

    border:
        2px solid #c7d2fe;

    border-radius:
        8px 0 0 8px;

    background:
        white;
}


.pkp_search button {

    border-radius:
        0 8px 8px 0;

    background:

        linear-gradient(
            135deg,
            var(--cyan),
            var(--blue),
            var(--violet)
        );
}


/* ============================================================
   17. FORM INPUTS
   ============================================================ */

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
select,
textarea {

    width:
        100%;

    padding:
        11px 14px;

    border:
        1px solid #d1d5db;

    border-radius:
        8px;

    background:
        white;

    transition:
        .25s ease;
}


input:focus,
select:focus,
textarea:focus {

    outline:
        none;

    border-color:
        var(--violet);

    box-shadow:
        0 0 0 3px
        rgba(124,58,237,.12);
}


/* ============================================================
   18. SIDEBAR
   ============================================================ */

.pkp_structure_sidebar {

    padding-left:
        25px;
}


.block {

    position:
        relative;

    background:
        white;

    padding:
        23px;

    margin-bottom:
        23px;

    border-radius:
        12px;

    border:
        1px solid var(--border);

    box-shadow:
        var(--shadow);

    overflow:
        hidden;
}


.block::before {

    content:
        "";

    position:
        absolute;

    left:
        0;

    top:
        0;

    width:
        4px;

    height:
        100%;

    background:

        linear-gradient(
            180deg,
            var(--red),
            var(--orange),
            var(--yellow),
            var(--green),
            var(--blue),
            var(--violet),
            var(--pink)
        );
}


.block h2 {

    color:
        var(--navy);

    font-size:
        19px;

    font-weight:
        900;
}


/* ============================================================
   19. MAKE SUBMISSION
   ============================================================ */

.block_make_submission {

    background:

        linear-gradient(
            135deg,
            #ef4444,
            #f97316,
            #eab308,
            #22c55e,
            #06b6d4,
            #2563eb,
            #7c3aed,
            #ec4899
        );

    color:
        white;

    padding:
        25px;

    border-radius:
        13px;

    box-shadow:
        var(--shadow-hover);
}


.block_make_submission a {

    color:
        white;

    font-weight:
        900;
}


/* ============================================================
   20. ANNOUNCEMENTS
   ============================================================ */

.obj_announcement_summary {

    background:
        white;

    padding:
        25px;

    margin-bottom:
        20px;

    border-radius:
        12px;

    border-left:
        6px solid var(--orange);

    box-shadow:
        var(--shadow);

    transition:
        .3s ease;
}


.obj_announcement_summary:hover {

    transform:
        translateX(5px);

    box-shadow:
        var(--shadow-hover);
}


.obj_announcement_summary h2 {

    color:
        var(--orange);

    font-weight:
        900;
}


/* ============================================================
   21. TABLES
   ============================================================ */

table {

    width:
        100%;

    border-collapse:
        collapse;

    background:
        white;

    border-radius:
        12px;

    overflow:
        hidden;

    box-shadow:
        var(--shadow);
}


table th {

    color:
        white;

    padding:
        14px;

    text-align:
        left;

    font-weight:
        900;

    background:

        linear-gradient(
            90deg,
            #ef4444,
            #f97316,
            #eab308,
            #22c55e,
            #06b6d4,
            #2563eb,
            #7c3aed,
            #ec4899
        );
}


table td {

    padding:
        13px;

    border-bottom:
        1px solid var(--border);
}


table tr:nth-child(even) {

    background:
        #fafafa;
}


table tr:hover {

    background:
        #eef2ff;
}


/* ============================================================
   22. DOI
   ============================================================ */

.item.doi a {

    display:
        inline-block;

    padding:
        6px 14px;

    border-radius:
        25px;

    background:
        #ecfdf5;

    color:
        #047857;

    border:
        1px solid #a7f3d0;

    font-weight:
        800;
}


/* ============================================================
   23. PDF / GALLEY BUTTONS
   ============================================================ */

.galleys {

    margin-top:
        30px;

    padding-top:
        20px;

    border-top:
        1px solid var(--border);
}


.galleys a {

    display:
        inline-block;

    padding:
        9px 17px;

    margin:
        4px;

    border-radius:
        7px;

    color:
        white;

    font-weight:
        800;

    background:

        linear-gradient(
            135deg,
            #ef4444,
            #f97316
        );

    box-shadow:
        0 5px 15px rgba(239,68,68,.18);
}


.galleys a:hover {

    color:
        white;

    background:

        linear-gradient(
            135deg,
            #f97316,
            #eab308
        );

    transform:
        translateY(-2px);
}


/* ============================================================
   24. BREADCRUMBS
   ============================================================ */

.pkp_breadcrumb {

    margin-bottom:
        25px;
}


.pkp_breadcrumb a {

    color:
        var(--violet);

    font-weight:
        700;
}


/* ============================================================
   25. PAGINATION
   ============================================================ */

.pagination a,
.pagination span {

    display:
        inline-block;

    padding:
        8px 13px;

    margin:
        3px;

    background:
        white;

    border:
        1px solid #ddd6fe;

    border-radius:
        7px;
}


.pagination a:hover {

    color:
        white;

    background:

        linear-gradient(
            135deg,
            var(--blue),
            var(--violet),
            var(--pink)
        );
}


/* ============================================================
   26. NOTIFICATIONS
   ============================================================ */

.notification {

    padding:
        18px 22px;

    margin:
        20px 0;

    border-radius:
        9px;

    background:
        #eff6ff;

    border-left:
        6px solid var(--blue);
}


.notification.warning {

    background:
        #fefce8;

    border-left-color:
        var(--yellow);
}


.notification.error {

    background:
        #fff1f2;

    border-left-color:
        var(--red);
}


/* ============================================================
   27. FOOTER
   ============================================================ */

.pkp_structure_footer_wrapper {

    position:
        relative;

    margin-top:
        60px;

    color:
        #f8fafc;

    background:

        linear-gradient(
            90deg,
            #7f1d1d,
            #9a3412,
            #854d0e,
            #166534,
            #155e75,
            #1e3a8a,
            #312e81,
            #581c87,
            #831843
        );

    overflow:
        hidden;
}


.pkp_structure_footer {

    position:
        relative;

    z-index:
        2;

    max-width:
        1280px;

    margin:
        auto;

    padding:
        50px 25px;
}


.pkp_structure_footer a {

    color:
        white;

    font-weight:
        700;
}


.pkp_structure_footer a:hover {

    color:
        #fff700;
}


.pkp_brand_footer {

    border-top:
        1px solid rgba(255,255,255,.2);

    margin-top:
        30px;

    padding-top:
        20px;
}


/* ============================================================
   28. SOCIAL ICONS
   ============================================================ */

.social-icons a {

    display:
        inline-flex;

    align-items:
        center;

    justify-content:
        center;

    width:
        40px;

    height:
        40px;

    margin-right:
        7px;

    border-radius:
        50%;

    color:
        white;

    background:
        rgba(255,255,255,.14);

    transition:
        .3s ease;
}


.social-icons a:hover {

    color:
        white;

    background:

        linear-gradient(
            135deg,
            var(--yellow),
            var(--orange),
            var(--pink)
        );

    transform:
        translateY(-4px);
}


/* ============================================================
   29. LOGIN / FORM
   ============================================================ */

.pkp_form {

    background:
        white;

    padding:
        32px;

    border-radius:
        14px;

    box-shadow:
        var(--shadow);

    border-top:
        6px solid transparent;

    border-image:

        linear-gradient(
            90deg,
            #ef4444,
            #f97316,
            #eab308,
            #22c55e,
            #06b6d4,
            #2563eb,
            #7c3aed,
            #ec4899
        ) 1;
}


fieldset {

    border:
        1px solid var(--border);

    border-radius:
        9px;

    padding:
        20px;

    margin-bottom:
        25px;
}


legend {

    color:
        var(--navy);

    font-weight:
        900;

    padding:
        0 10px;
}


/* ============================================================
   30. SCROLLBAR
   ============================================================ */

::-webkit-scrollbar {

    width:
        10px;
}


::-webkit-scrollbar-track {

    background:
        #f1f5f9;
}


::-webkit-scrollbar-thumb {

    border-radius:
        20px;

    background:

        linear-gradient(
            180deg,
            #ef4444,
            #f97316,
            #eab308,
            #22c55e,
            #06b6d4,
            #2563eb,
            #7c3aed,
            #ec4899
        );
}


/* ============================================================
   31. TEXT SELECTION
   ============================================================ */

::selection {

    background:
        var(--violet);

    color:
        white;
}


/* ============================================================
   32. TABLET
   ============================================================ */

@media (max-width: 991px) {

    .pkp_structure_content {

        padding:
            35px 20px;
    }

    .pkp_structure_sidebar {

        padding-left:
            0;

        margin-top:
            30px;
    }

    .pkp_site_name a {

        font-size:
            27px;
    }

    .obj_article_details {

        padding:
            30px;
    }

}


/* ============================================================
   33. MOBILE
   ============================================================ */

@media (max-width: 767px) {

    body {

        font-size:
            15px;
    }

    .pkp_head_wrapper {

        padding:
            18px 15px;
    }

    .pkp_site_name a {

        font-size:
            21px;
    }

    .pkp_site_name img {

        max-height:
            65px;
    }

    .pkp_structure_content {

        padding:
            30px 15px;
    }

    .page_title {

        font-size:
            28px;
    }

    .obj_article_summary {

        padding:
            20px;
    }

    .obj_issue_summary {

        padding:
            20px;
    }

    .obj_article_details {

        padding:
            22px;
    }

    .pkp_structure_sidebar {

        padding-left:
            0;
    }

    table {

        display:
            block;

        overflow-x:
            auto;

        white-space:
            nowrap;
    }

    .pkp_structure_footer {

        padding:
            35px 15px;
    }

}


/* ============================================================
   34. SMALL MOBILE
   ============================================================ */

@media (max-width: 480px) {

    .pkp_site_name a {

        font-size:
            18px;
    }

    .page_title {

        font-size:
            24px;
    }

    .obj_article_summary .title {

        font-size:
            18px;
    }

    .obj_article_details .page_title {

        font-size:
            25px;
    }

    button,
    .btn,
    .cmp_button,
    a.cmp_button {

        width:
            100%;

        text-align:
            center;

        margin-bottom:
            8px;
    }

}