/* =====================================================
   CODEWORD PDF / PPT READER
   Clean Layout | Centered Pages | Responsive
===================================================== */

* {
    box-sizing: border-box;
}

html {
    width: 100%;
    min-height: 100%;
    margin: 0;
    padding: 0;
    scroll-behavior: auto;
}

body {
    width: 100%;
    min-height: 100vh;
    margin: 0;
    padding: 0;

    background: #f1f4f8;
    color: #172b45;

    font-family: "Poppins", Arial, sans-serif;
    overflow-x: hidden;
}

/* =====================================================
   WEBSITE HEADER CONTAINER
===================================================== */

#header {
    width: 100%;
    height: auto;
    margin: 0;
    padding: 0;
}

/* =====================================================
   DOCUMENT TOOLBAR
===================================================== */

#pdf-reader-header.cw-document-toolbar {
    position: static;

    display: flex;
    align-items: center;
    gap: 20px;

    width: 100%;
    min-height: 68px;
    height: auto;
    margin: 0;
    padding: 12px 26px;

    background: #ffffff;
    border-bottom: 1px solid #dfe6ef;
    box-shadow: 0 2px 8px rgba(20, 45, 78, 0.05);

    font-family: "Poppins", Arial, sans-serif;
}

/* Back button */

#pdf-reader-header .cw-document-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    flex: 0 0 auto;

    min-height: 40px;
    padding: 9px 16px;

    background: #f8fafc;
    color: #142d4e;

    border: 1px solid #d8e2ef;
    border-radius: 8px;

    font-family: inherit;
    font-size: 13px;
    font-weight: 600;

    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.2s ease, color 0.2s ease;
}

#pdf-reader-header .cw-document-back span {
    font-size: 19px;
    line-height: 1;
}

#pdf-reader-header .cw-document-back:hover {
    background: #142d4e;
    color: #ffffff;
    border-color: #142d4e;
}

#pdf-reader-header .cw-document-back:focus-visible {
    outline: 2px solid #3975d7;
    outline-offset: 3px;
}

/* Document information */

#pdf-reader-header .cw-document-details {
    flex: 1 1 auto;
    min-width: 0;
    width: auto;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#pdf-reader-header .cw-document-title {
    margin: 0 0 5px;
    padding: 0;

    color: #142d4e;

    font-family: inherit;
    font-size: 19px;
    font-weight: 700;
    line-height: 1.4;

    overflow-wrap: anywhere;
}

#pdf-reader-header .cw-document-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px 10px;

    margin: 0;
    padding: 0;

    color: #526176;
    font-family: inherit;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.6;
}

#pdf-reader-header .cw-document-meta>span {
    max-width: 100%;
    overflow-wrap: anywhere;
}

#pdf-reader-header .cw-meta-separator {
    color: #b9c5d4;
}

/* =====================================================
   PDF READING AREA
===================================================== */

#viewer {
    display: flex;
    flex-direction: column;
    align-items: center;

    width: 100%;
    max-width: 100%;

    min-height: 75vh;
    height: auto;

    margin: 0;
    padding: 28px 20px 45px;

    background: #eef2f7;

    text-align: center;
    overflow: visible;
}

/* =====================================================
   PDF PAGE CONTAINER
===================================================== */

#viewer .pdf-page {
    display: block;

    width: fit-content;
    max-width: 100%;

    margin: 0 auto 28px;
    padding: 0;

    background: #ffffff;
    border: 1px solid #e1e5ec;

    box-shadow:
        0 3px 12px rgba(15, 23, 42, 0.09),
        0 1px 3px rgba(15, 23, 42, 0.04);

    text-align: center;
    overflow: hidden;
}

/* PDF canvas */

#viewer .pdf-page canvas {
    display: block;

    width: auto;
    max-width: 100%;
    height: auto;

    margin: 0 auto;
    padding: 0;

    background: #ffffff;
}

/* =====================================================
   LOADING MESSAGE
===================================================== */

#loading {
    display: block;

    width: 100%;
    margin: 60px auto;
    padding: 20px;

    color: #526176;

    font-family: "Poppins", Arial, sans-serif;
    font-size: 15px;
    font-weight: 500;

    text-align: center;
}

/* =====================================================
   ERROR MESSAGE
===================================================== */

#error {
    display: none;

    width: min(600px, 100%);
    margin: 30px auto;
    padding: 18px 22px;

    background: #fff1f2;
    color: #b42332;

    border: 1px solid #fecdd3;
    border-radius: 10px;

    font-size: 14px;
    line-height: 1.7;
    text-align: center;
}

/* =====================================================
   CODEWORD.IN WATERMARK
===================================================== */

.watermark {
    position: fixed;

    top: 50%;
    left: 50%;

    width: max-content;
    max-width: 90vw;

    margin: 0;
    padding: 0;

    transform: translate(-50%, -50%);

    color: #142d4e;
    opacity: 0.075;

    font-family: "Poppins", Arial, sans-serif;
    font-size: clamp(30px, 5vw, 64px);
    font-weight: 800;
    letter-spacing: 3px;

    text-align: center;
    white-space: nowrap;

    pointer-events: none;
    user-select: none;

    z-index: 5;
}

/* =====================================================
   FOOTER
===================================================== */

#footer {
    width: 100%;
    margin: 0;
    padding: 0;
}

/* =====================================================
   TABLET
===================================================== */

@media (max-width: 768px) {
    #pdf-reader-header.cw-document-toolbar {
        gap: 13px;
        padding: 12px 16px;
    }

    #pdf-reader-header .cw-document-title {
        font-size: 17px;
    }

    #pdf-reader-header .cw-document-meta {
        font-size: 11px;
    }

    #viewer {
        min-height: 70vh;
        padding: 22px 12px 35px;
    }

    #viewer .pdf-page {
        margin-bottom: 22px;
    }

    .watermark {
        font-size: clamp(26px, 6vw, 46px);
        letter-spacing: 2px;
    }
}

/* =====================================================
   MOBILE
===================================================== */

@media (max-width: 480px) {
    #pdf-reader-header.cw-document-toolbar {
        align-items: flex-start;
        gap: 10px;

        min-height: 0;
        padding: 12px 10px;
    }

    #pdf-reader-header .cw-document-back {
        gap: 5px;
        min-height: 36px;
        padding: 8px 10px;
        font-size: 12px;
    }

    #pdf-reader-header .cw-document-back span {
        font-size: 17px;
    }

    #pdf-reader-header .cw-document-title {
        margin-bottom: 5px;
        font-size: 15px;
        line-height: 1.45;
    }

    #pdf-reader-header .cw-document-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 3px;
        font-size: 11px;
    }

    #pdf-reader-header .cw-meta-separator {
        display: none;
    }

    #viewer {
        min-height: 65vh;
        padding: 16px 6px 25px;
    }

    #viewer .pdf-page {
        width: 100%;
        max-width: 100%;
        margin-bottom: 18px;
    }

    #viewer .pdf-page canvas {
        max-width: 100%;
    }

    .watermark {
        max-width: 95vw;
        font-size: clamp(20px, 6vw, 30px);
        letter-spacing: 1px;
    }
}

/* =====================================================
   EXTRA SMALL SCREENS
===================================================== */

@media (max-width: 360px) {
    #pdf-reader-header.cw-document-toolbar {
        gap: 8px;
        padding: 10px 8px;
    }

    #pdf-reader-header .cw-document-back {
        padding: 7px 8px;
        font-size: 11px;
    }

    #pdf-reader-header .cw-document-title {
        font-size: 14px;
    }

    #viewer {
        padding-right: 3px;
        padding-left: 3px;
    }

    .watermark {
        font-size: 19px;
        letter-spacing: 0;
    }
}