* {
    box-sizing: border-box;
}


body {

    margin: 0;

    padding: 30px;

    font-family:
        Arial,
        "Noto Sans Devanagari",
        sans-serif;

    background: #f3f6fa;

    color: #172033;
}


.main-wrapper {

    max-width: 1400px;

    margin: auto;

    display: grid;

    grid-template-columns:
        360px
        1fr;

    gap: 30px;

    align-items: start;
}


/* ==================================
   CONTROL PANEL
================================== */

.control-panel {

    background: #ffffff;

    border-radius: 18px;

    padding: 25px;

    box-shadow:
        0 10px 35px
        rgba(0,0,0,0.08);
}


.control-panel h2 {

    margin-top: 0;

    margin-bottom: 25px;

    font-size: 22px;
}


.control-panel label {

    display: block;

    margin-top: 16px;

    margin-bottom: 7px;

    font-size: 14px;

    font-weight: 700;

    color: #182230;
}


.control-panel input,
.control-panel textarea {

    width: 100%;

    border: 1px solid #d8dee8;

    border-radius: 10px;

    padding: 12px 13px;

    font-size: 14px;

    outline: none;

    transition: 0.2s;
}


.control-panel input:focus,
.control-panel textarea:focus {

    border-color: #1c3488;

    box-shadow:
        0 0 0 3px
        rgba(28,52,136,0.08);
}


.control-panel textarea {

    min-height: 80px;

    resize: vertical;
}


.two-column {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 10px;
}


/* ==================================
   BUTTONS
================================== */

.buttons {

    display: grid;

    grid-template-columns:
        1fr
        1.4fr;

    gap: 10px;

    margin-top: 22px;
}


button {

    border: 0;

    border-radius: 10px;

    padding: 13px;

    font-size: 14px;

    font-weight: 700;

    cursor: pointer;

    transition: 0.2s;
}


button:hover {

    transform: translateY(-1px);
}


.reset-btn {

    background: #edf1f6;

    color: #172033;
}


.download-btn {

    background: #172f82;

    color: white;
}


.jpg-btn {

    width: 100%;

    margin-top: 10px;

    background: #ff9933;

    color: #ffffff;
}


.print-btn {

    width: 100%;

    margin-top: 10px;

    background: #138808;

    color: #ffffff;
}


/* ==================================
   PREVIEW
================================== */

.preview-panel {

    background: #ffffff;

    border-radius: 20px;

    padding: 20px;

    box-shadow:
        0 10px 35px
        rgba(0,0,0,0.08);
}


.canvas-wrapper {

    width: 100%;

    overflow: hidden;

    border-radius: 12px;

    background: #ffffff;
}


canvas {

    width: 100%;

    height: auto;

    display: block;
}


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

@media (max-width: 900px) {

    body {

        padding: 15px;
    }


    .main-wrapper {

        grid-template-columns: 1fr;
    }


    .preview-panel {

        order: -1;
    }

}


@media (max-width: 500px) {

    .two-column {

        grid-template-columns: 1fr;
    }

}