* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

HTML,
BODY {
    height: 100%;
    width: 100%;
}

body {
    background: var(--app-bg);
    color: var(--text);
}

:root {
    --app-bg: linear-gradient(180deg, #f7f8fc 0%, #eef1f7 100%);
    --surface: #ffffff;
    --surface-muted: #f7f8fb;
    --text: #0f172a;
    --muted-text: #6b7280;
    --border: #e5e7eb;
    --input-border: #d1d5db;
    --accent: #2563eb;
    --accent-contrast: #ffffff;
    --accent-soft: rgba(37, 99, 235, 0.2);
}

/* STYLING */

#HEADER {
    width: 95%;
    margin: 24px auto 8px;
    padding: 24px;
    font-size: 20px;
    font-weight: bold;
    /* background-color: lightblue; */
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
}

#MAIN_1_BODY {
    width: 95%;
    margin: 16px auto 8px;
    padding: 16px;
    font-size: 20px;
    font-weight: bold;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.06);

    /* INNER STYLING */
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 16px;
}

/* #MAIN_1, */
#MAIN_2,
#MAIN_3 {
    min-height: 120px;
    flex: 1 1 260px;
    max-width: 360px;
    margin: 0;
    font-size: 28px;
    font-weight: bold;
    background-color: var(--surface-muted);
    border-radius: 14px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 4px 12px rgba(17, 24, 39, 0.06);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px;
}

/* THERE INNER TEXT */
.MAIN_1,
.MAIN_2,
.MAIN_3 {
    font-weight: 600;
    text-align: center;
    font-size: 18px;
    padding: 8px 10px;
    color: var(--muted-text);
}

#MAIN_2_BODY {
    width: 95%;
    margin: 16px auto;
    padding: 16px;
    font-size: 20px;
    font-weight: bold;
    background-color: transparent;
    border-radius: 16px;
    border: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: flex-start;
    align-items: flex-start;
}

#FORM {
    width: 100%;
    max-width: 420px;
    font-size: 20px;
    font-weight: bold;
    background-color: var(--surface);
    /* background-color: red; */
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
    padding: 20px;
    border: 1px solid var(--border);
}

#ADD_EXPENSE {
    font-weight: 600;
    text-align: center;
    padding: 8px 10px 16px;
}

input {
    border: 1px solid var(--input-border);
    border-radius: 10px;
    padding: 12px 14px;
    margin: 10px 0;
    width: 100%;
    font-size: 16px;
    background: var(--surface);
}

select {
    border: 1px solid var(--input-border);
    border-radius: 10px;
    padding: 12px 14px;
    margin: 10px 0;
    width: 100%;
    font-size: 16px;
    background: var(--surface);
}

.HEADING {
    font-weight: 600;
    font-size: 13px;
    padding: 4px 2px;
    margin-top: 4px;
    margin-bottom: 6px;
    margin-left: 4px;
    color: var(--muted-text);
    letter-spacing: .02em;
}

button {
    border: 1px solid var(--input-border);
    border-radius: 10px;
    padding: 12px 14px;
    margin: 12px 0 0;
    cursor: pointer;
    font-weight: 600;
    transition: 0.2s all ease;
    width: 100%;
    background-color: var(--surface);
    color: var(--text);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 1px 2px rgba(17, 24, 39, 0.05);
}

button:hover {
    background-color: var(--accent);
    color: var(--accent-contrast);
    border-color: var(--accent);
}

input:focus-visible,
select:focus-visible,
button:focus-visible {
    outline: 3px solid var(--accent-soft);
    outline-offset: 2px;
}

#DIV_2 {
    flex: 1 1 500px;
    min-width: 0;
    font-size: 20px;
    font-weight: bold;
    background-color: transparent;
    border-radius: 16px;
    border: 0;
    padding: 0;
}

#FILTER_DIV {
    width: 95%;
    margin: 0 auto 16px;
    font-size: 18px;
    font-weight: bold;
    background-color: var(--surface);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
    padding: 16px;
    border: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

#TABLE {
    min-height: 240px;
    width: 95%;
    margin: 16px auto 24px;
    font-size: 20px;
    font-weight: bold;
    background-color: var(--surface);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
    padding: 20px;
    border: 1px solid var(--border);
    overflow: auto;
}

#INNER_TABLE {
    padding: 14px 16px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 10px;
    align-items: center;
    background-color: var(--surface-muted);
    border: 1px solid var(--border);
    border-radius: 12px;
}

@media (max-width: 768px) {
    #HEADER {
        padding: 16px;
    }

    #MAIN_1_BODY {
        padding: 12px;
        gap: 12px;
    }

    #MAIN_2_BODY {
        padding: 12px;
        gap: 12px;
    }

    #FORM {
        max-width: 100%;
    }

    #DIV_2 {
        flex-basis: 100%;
    }

    #INNER_TABLE {
        grid-template-columns: 1.4fr .8fr .8fr .8fr 1fr;
    }

    .SHOW_EXPENSE P {
        grid-template-columns: 1.4fr .8fr .8fr .8fr auto auto;
    }
}


.error {
    color: red;
    font-size: 15px;
    margin: 4px 0 0;
    display: none;
}

.success {
    color: green;
    font-size: 15px;
    margin: 4px 0 0;
    display: none;
}

.SHOW_EXPENSE {
    width: 100%;
    max-height: 520px;
    background-color: transparent;
    color: var(--text);
    border-radius: 12px;
    margin: 16px auto 0;
    padding: 4px;
    overflow-y: auto;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    scrollbar-width: thin;
    scrollbar-color: #9ca3af transparent;
    -ms-overflow-style: none;
}

.SHOW_EXPENSE::-webkit-scrollbar {
    width: 6px;
    display: none;
}

.SHOW_EXPENSE::-webkit-scrollbar-thumb {
    background-color: #2563eb;
    border-radius: 4px;
}

.SHOW_EXPENSE::-webkit-scrollbar-track {
    background-color: #1f2937;
}

.SHOW_EXPENSE P {
    background-color: var(--surface);
    border: 1px solid var(--border);
    min-height: 56px;
    border-radius: 12px;
    padding: 10px 12px;
    margin: 8px 0;
    word-wrap: break-word;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    color: var(--text);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto auto;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(17, 24, 39, 0.06);
}


/* JAVASCRIPT ELEMENT CREATED STYLE */
p.SHOW_DATA {
    color: var(--text);
    padding: 0;
    font-weight: 500;
}

span {
    padding: 15px;
    border-radius: 10px;
    margin: 5px;
}

.DELETE_BUTTON {
    background-color: #ef4444;
    width: auto;
    color: #fff;
    font-size: 14px;
    border: none;
    border-radius: 10px;
    padding: 10px 12px;
    cursor: pointer;
    margin: 0 6px 0 0;
    transition: transform .15s ease, background-color .2s ease;
}

.DELETE_BUTTON:hover {
    background-color: #dc2626;
    transform: translateY(-1px);
}

.EDIT_BUTTON {
    background-color: #3b82f6;
    width: auto;
    color: #fff;
    font-size: 14px;
    border: none;
    border-radius: 10px;
    padding: 10px 12px;
    cursor: pointer;
    margin: 0 6px 0 0;
    transition: transform .15s ease, background-color .2s ease;
}

.EDIT_BUTTON:hover {
    background-color: #2563eb;
    transform: translateY(-1px);
}

.ADD {
    background-color: #16a34a;
    color: #fff;
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    margin: 10px auto;
    text-align: center;
    transition: background-color 0.2s ease;
    display: none;
}

.ADD:hover {
    background-color: #15803d;
}

.EDIT_DONE {
    background-color: green;
    color: white;
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    margin: 10px auto;
    text-align: center;
    transition: background-color 0.3s ease;
    display: none;
}

.EDIT_DONE:hover {
    background-color: #1d4ed8;
}

.SHOW_TOTAL_CATEGORIES {
    font-weight: 500;
    text-align: center;
    font-size: 20px;
    padding: 10px;
}

#WEBSITENAMEDIV {
    /* background-color: yellow; */
    display: flex;
    justify-content: flex-end;
    /* padding: 20px; */
}

#WEBSITENAME h2 {
    color: black;
    font-size: 50px;
    margin-top: -30px;
    margin-bottom: 20px;
}

#NAME {
    font-size: 28px;
    margin-left: 8px;
}

#ABOUT {
    font-size: 16px;
    font-weight: 400;
    color: var(--muted-text);
    margin-left: 8px;
}

#EDIT_FORM {
    width: 100%;
    height: auto;
    max-width: 420px;
    font-size: 20px;
    font-weight: bold;
    background-color: var(--surface);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
    padding: 20px;
    border: 1px solid var(--border);
    display: none;
}

#EDIT_EXPENSE {
    padding-bottom: 20px;
    text-align: center;
}

#chart_heading {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    margin: 24px auto 8px;
    padding: 10px 16px;
}

#expenseChart {
    display: block;
    width: 100%;
    max-width: 720px;
    height: 380px;
    margin: 8px auto 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 8px;
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.06);
}

#chart_parent_div {
    display: flex;
    flex-direction: row;
    justify-content: center;
}