*,
::before,
::after {
  box-sizing: border-box;
  border-width: 0;
  border-style: solid;
  border-color: #e5e7eb;
}

:root{
    color-scheme: light dark;
    --bg-color: light-dark(#f1f1f159, #252525);
    --box-shadow: light-dark(#00000056, #616161);
    --input-text: light-dark(#6161614d, #5251519d);
    --text-color: light-dark(#000000, #ffffff);
    --item-button-color: light-dark(#08fd00a1, #08fd00a1);
    --task-item-delete-button-color: light-dark(#fd0000a1, #fd0000a1);
    --task-item-check-button-color: light-dark(#0400ffa1, #0400ffa1);  
}

body, h2, p, h1 {
  margin: 0;
}

body {
  font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
}



#main-container {
	height: 100vh;
	display: flex;
	flex-direction: column;
	padding: 1rem;
	max-width: 90rem;
	margin: 0 auto;
	gap: 2rem;
}

#main-form {
	padding: 0.8rem;
	border-radius: 1rem 1rem 1rem 1rem;
	display: flex;
	box-shadow: 0 2px 10px var(--box-shadow);
	flex-direction: column;
	gap: 1rem;
}

.main-form-input-container {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.form-input {
	outline: 1px solid var(--text-color);
	border-radius: 0.375rem;
	padding: 0.5rem;
}

.main-form-helper-text {
	font-size: 0.75rem;
	font-weight: 300;
	color: red;
	display: none;
}

#main-form-btn {
	background-color: var(--item-button-color);
	padding: 0.5rem 1rem;
	text-decoration: none;
	text-align: center;
	font-weight: 500;
	border-radius: 0.375rem;
    box-shadow: 0 2px 10px var(--box-shadow);
    transition: all 0.3s ease;
}

#main-form-btn:hover {
    background-color: var(--item-button-color);
    transform: scale(1.02)
}

#contacts-list {
	margin: 0;
	padding: 0.8rem;
	list-style: none;
	overflow: auto;
	display: flex;
	flex-direction: column;
	gap: 2rem;
	border-radius: 1rem 1rem 1rem 1rem;
	box-shadow: 0 2px 10px var(--box-shadow);
	height: 100%;
}

.edit-btn {
	width: 2rem;
	height: 2rem;
    border-radius: 0.3rem 0.3rem 0.3rem 0.3rem;
    transition: all 0.3s ease;
    background-color: var(--task-item-check-button-color);
    box-shadow: 0 0.1rem 0.6rem var(--box-shadow); 
    margin: 0.5rem;
}

.edit-btn:hover {
    background-color: var(--task-item-check-button-color);
    transform: scale(1.1)
}

.delete-btn {
	width: 2rem;
	height: 2rem;
    border-radius: 0.3rem 0.3rem 0.3rem 0.3rem;
    transition: all 0.3s ease;
    background-color: var(--task-item-delete-button-color);
    box-shadow: 0 0.1rem 0.6rem var(--box-shadow); 
    margin: 0.5rem;
}

.delete-btn:hover {
    background-color: var(--task-item-delete-button-color);
    transform: scale(1.1)
}

.inputs-container {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	flex-grow: 1;
}

.editable-input {
	border: 1px solid;
}

.contacts-list-item-name-input,
.contacts-list-item-phone-input {
	width: 100%;
	outline: none;
	border-radius: 1rem 1rem 1rem 1rem;
	padding: 0.5rem;
    text-align: center;
    box-shadow: 0 0.1rem 0.6rem var(--box-shadow);
}

.btns-container {
	display: flex;
	gap: 0.5rem;
	align-items: center;
}

.contacts-list-item {
	display: flex;
	gap: 1rem;
	justify-content: space-between;
}

#main-form-btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.input-valid {
	outline: 1px solid green;
}

.input-invalid {
	outline: 1px solid red;
}

.show-helper-text {
	display: block;
}


@media (min-width: 768px) {
	#main-form {
		width: 70%;
	}

	#contacts-list {
		width: 70%;
	}

	.inputs-container {
		flex-wrap: nowrap;
	}

	#main-container {
		align-items: center;
	}
}

@media (min-width: 1024px) {
	#main-form {
		width: 50%;
	}

	#contacts-list {
		width: 50%;
	}
}