/* styles.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: #373c4e;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

html, body {
    height: 100%;
}

#index_main {
    padding-top: 24px;
}

#main_heading {
    text-align: center;
    margin-bottom: 24px;
    font-size: 45px;
    font-weight: bolder;
    color: rgb(241, 240, 240);
}

#search_box {
    display: block;
    height: 40px;
    width: 70%;
    border-radius: 40px;
    border: none;
    outline: none;
    font-size: 20px;
    background: #51586e;
    color: #fff;
    padding: 20px;
    margin: 1rem auto;
}

#contacts {
    width: 100%;
    background: #51586e;
    color: #fff;
    border-radius: 20px;
    padding: 2rem 2.5rem;
    height: 100%;
    overflow-y: auto;
    scrollbar-width: 10px;
    scrollbar-color: #646d88 #373c4e;
    scroll-behavior: smooth;
}

#contacts::-webkit-scrollbar {
    width: 10px;
}

#contacts::-webkit-scrollbar-track {
    background: #373c4e;
    border-radius: 10px;
}

#contacts::-webkit-scrollbar-thumb {
    background-color: #51586e;
    border-radius: 10px;
    border: 3px solid #373c4e;
}

#contacts::-webkit-scrollbar-thumb:hover {
    background-color: #41475c;
}

#contacts::-webkit-scrollbar-thumb:active {
    background-color: #333;
}

#non_scrollable {
    width: 70%;
    height: 70vh;
    position: relative;
    margin: 1rem auto;
}

#create_new_contact {
    background-color: #4b5166;
    position: absolute;
    font-size: 30px;
    font-weight: 600;
    width: 50px;
    height: 50px;
    padding: 5px;
    right: 20px;
    bottom: 20px;
    transform: translate(-50%, -50%);
    border-radius: 25px;
    color: white;
    border: none;
    box-shadow: 0 0 10px 5px #333;
    cursor: pointer;
}

#create_new_contact:hover, #create_new_contact:active {
    background-color: #535a72;
}

#contact_list {
    background: none;
    list-style-type: none;
}

#contact_list > .contact {
    background: none;
    font-size: 18px;
    border-bottom: 1px solid rgb(129, 129, 129);
    padding: 16px;
}

#contact_list > .contact:hover {
    background: rgb(129, 129, 129);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

#contact_list > .contact-class {
    font-size: 35px;
    background: none;
    padding: 10px 0 0 10px;
}

#contact_list > .empty-list {
    background: none;
    text-align: center;
    color: #9c9c9c;
    font-size: 18px;
    pointer-events: none;
}

#alphabets {
    position: fixed;
    right: 20px;
    top: 50%;
    bottom: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    background: #51586e;
    width: 50px;
    padding: 8px 19px;
    border-radius: 25px;
    height: 42rem;
}

#alphabets > a {
    text-decoration: none;
    color: #fff;
    font-size: 17px;
    margin: 2px 0;
    background: none;
}

#alphabets > a:hover {
    color: #51586e;
    transition: color 0.3s ease;
}

#new_contact_main, #view_contact_main {
    display: grid;
    place-items: center;
    width: 100%;
    height: 100vh;
}

#new_contact_div, #contact_card {
    height: 40vh;
    background: #51586e;
    border-radius: 20px;
    padding: 25px;
}

#new_contact_div > form {
    background: transparent;
}

#new_contact_div input {
    display: block;
    width: 25rem;
    margin: 1rem 0;
    padding: 15px;
    border-radius: 10px;
    background: #6e6e6e;
    color: white;
    font-size: 16px;
    border: none;
    outline: none;
}

#new_contact_div input::placeholder, #search_box::placeholder {
    color: #b8b8b8;
}

#new_contact_div input:hover, #new_contact_div input:active {
    background: #6d6d6d;
}

#new_contact_div button {
    display: block;
    font-size: 20px;
    font-weight: bold;
    border-radius: 10px;
    padding: 10px;
    border: none;
    background: #626a85;
    width: 25%;
    color: white;
    height: 50px;
    margin: 2rem auto;
}

#contact_card {
    width: 50vh;
    height: 55vh;
    color: white;
    position: relative;
}

#contact_card > #top_bg {
    height: 45%;
    font-size: 35px;
    border-radius: 20px 20px 0 0;
    position: relative;
    padding-left: 8px;
    background:
        linear-gradient(45deg, #373c4e, transparent),
        repeating-linear-gradient(45deg, #474c5c 0%, #6a7086 5%, transparent 5%, transparent 10%),
        #373c4e4b repeating-linear-gradient(-45deg, #474c5c6e 0%, #6a708694 5%, transparent 5%, transparent 10%);
}

#contact_card > #top_bg > p {
    position: absolute;
    bottom: 5px;
    background: none;
}

#contact_card ul {
    list-style-type: none;
}

#contact_card li,
#contact_card #first_line,
#contact_card p {
    padding: 10px;
}

#contact_card li,
#contact_card ul,
#contact_card span,
#contact_card #first_line,
#contact_card p {
    background: none;
}

#contact_card > #bottom_bg {
    background: #373c4e4b;
    font-size: 18px;
    border-radius: 0 0 20px 20px;
    padding: 0 5px 10px 5px;
    height: 55%;
    overflow-y: auto;
}

#contact_card > #bottom_bg > #first_line {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#contact_card > #bottom_bg > #first_line > ul {
    display: inline-flex;
}