style.css

/*
    . -> CLASSES IN HTML ARE AN DOT(.) IN CSS 
    # -> IDs IN HTML ARE AN HASHTAG(#) IN CSS
*/


/* Global ============================ */

:root {
    --color-red:         #e92929;
    --color-green:       #3dd215;
    --color-dark-green:  #49AA26;
    --color-light-green: #08D45B;
    --color-dark-blue:   #363f5f;
}


/* * -> SET ALL ELEMENTS TO GET THIS DEFAULT CONFIG */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 93.75%;
}

body {
    background: #f4fcf6;
    /* background: white; */
    font-family: 'Poppins', sans-serif;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.container {
    width: min(90vw, 800px);
    margin: auto;
}


/* Titles ============================ */

h2 {
    margin-top: 3.2rem;
    margin-bottom: 0.8rem;
    color: var(--color-dark-blue);
    font-weight: normal;
}


/* Links and Buttons ============================ */

a {
    color: var(--color-dark-green);
    text-decoration: none;
}

a:hover {
    color: var(--color-green);
}

button {
    width: 100%;
    height: 50px;
    border: none;
    color: white;
    background: var(--color-dark-green);
    border-radius: .5rem;
    padding: 0;
    cursor: pointer;
}

button:hover {
    background-color: var(--color-green);
}

.button.new {
    display: inline-block;
    margin-bottom: .8rem;
}

.button.cancel {
    color: var(--color-red);
    border: var(--color-red) solid;
    border-radius: 0.5rem;
    
    height: 50px;
    
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
}

.button:hover {
    opacity: 1;
}


/* Header ============================ */

header {
    background: var(--color-light-green);
    padding: 2rem 0 10rem;
    text-align: center;
}

#logo {
    color: #fff;
    font-weight: 100;
}


/* Balance ============================ */

#balance {
    margin-top: -8rem;
}

#balance h2 {
    color: white;
    margin-top: 0;
}


/* Cards ============================ */

.card {
    background: #F2F2F2;
    padding: 1.5rem 2rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    color: var(--color-dark-blue);
}

.card:hover {
    background: #FFFFFF;
}

.card.total:hover {
    background: var(--color-light-green);
}

.card h3 {
    font-weight: normal;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card p {
    font-size: 2rem;
    line-height: 3rem;
    margin-top: 1rem;
}

.card.total {
    background: var(--color-light-green);
    color: white;
}


/* Table ============================ */

#transaction {
    width: 100%;
    display: block;
    overflow-x: auto;
}

#data-table {
    width: 100%;
    border-spacing: 0 0.5rem;
    color: #969cb3;
}

table thead tr th:first-child,
table tbody tr td:first-child {
    border-radius: 0.5rem 0 0 0.5rem;
}

table thead tr th:last-child,
table tbody tr td:last-child {
    border-radius: 0 0.5rem 0.5rem 0;
}

table th {
    background: white;
    font-weight: normal;
    padding: 1rem 2rem;
    text-align: left;
}

table tr {
    opacity: 0.7;
}

table tr:hover {
    opacity: 1;
}

table tbody td {
    background: white;
    padding: 1rem 2rem;
}

td.description {
    color: var(--color-dark-blue);
}

td.income {
    color: var(--color-dark-green);
}

td.expense {
    color: var(--color-red);
}


/* Modal ============================ */

.modal-overlay {
    width: 100%;
    height: 100%;

    background-color: rgba(0, 0, 0, 0.5);
    
    position: fixed;
    top: 0;
    position: fixed;
    display: flex;
    
    align-items: center;
    justify-content: center;
    
    opacity: 0;
    visibility: hidden;
}


/* TWO CLASSES -> .modal-overlay AND MODAL-OVERLAY ACTIVE */

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    z-index: 999;
}

.modal {
    background: #F0F2f5;
    padding: 2.4rem;
    width: 90%;
    max-width: 500px;
}


/* Form ============================ */

#form {
    max-width: 500px;
}

#form h2 {
    margin-top: 0;
}

#form form input {
    border: none;
    border-radius: .5rem;
    padding: .8rem;
    width: 100%;
}

.input-group {
    margin-top: 0.8rem;
}

.input-group small {
    opacity: 0.4;
}

.input-group.actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.input-group.actions .button,
.input-group.actions button {
    width: 48%;
}


/* Footer ============================ */

footer {
    text-align: center;
    padding: 5rem 0 1rem;
    opacity: 0.5;
}


/* Responsive ============================ */

@media (min-width:800px) {
    html {
        font-size: 87.5%;
    }
    #balance {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 2rem;
    }
}