:root {
    --knon-bg: #fafafa;
    --knon-border: #494949;
    --knon-light: rgb(35, 202, 194);
    --knon-default: lightseagreen;
    --knon-dark: darkcyan;
    --white: white;
    --logout-button: firebrick;
    --name-color: rgb(55, 0, 255);
}

test {
    color: blueviolet;
    color: darkmagenta;
    color: darkcyan;
    color: darkturquoise;
    color: firebrick;
    color: darkseagreen;
    color: indianred;
}

body,
html {
    height: 100dvh;
    margin: 0;
    background-color: var(--knon-bg);

    font-family: Arial;
    font-size: 12px;
}

.chat_container {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;

    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    overflow: hidden;
}

.chat_header {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background: var(--knon-default);
    color: var(--white);
    height: 50px;
    background-image: url("../img/header_bg/de-an-sun.jpg");
    background-position: 0;
}

.chat_header h1 {
    margin: 0;
    font-size: 1.7rem;
    letter-spacing: 1px;
}

button {
    cursor: pointer;
    border: none;
    border-radius: 4px;
    padding: 7px 13px;
    font-weight: 600;
    transition: transform 0.1s, filter 0.2s;
}

button:active {
    transform: translateY(1px);
}

button:hover {
    filter: brightness(1.1);
}

.hide_users_button {
    margin-left: auto;
    background-color: var(--knon-default);
    color: var(--white);
}

.logout_button {
    margin-left: 10px;
    background-color: var(--logout-button);
    color: white;
}

.chat_core {
    display: flex;
    flex: 1;
    min-height: 0;
    background-color: var(--knon-bg);
}

.messages_window {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background-color: var(--knon-bg);
    font-family: Verdana;
}

.users_window {
    width: 175px;
    background-color: #f0f0f0;
    border-left: 2px solid lightgrey;
    padding: 15px;
    padding-top: 5px;
    overflow-y: auto;
}

.users_window h3 {
    color: var(--knon-border);
    font-size: 1.3rem;

    margin-bottom: 0px;
    border-bottom: 1px dotted rgb(155, 155, 155);
    padding-bottom: 7px;
}

.users_window p {
    color: var(--name-color);
    margin-top: 9px;
    line-height: 22px;
    font-family: Verdana;
}

.name_span {
    font-weight: bold;
    color: var(--name-color);
    margin-right: 1px;
}

.welcome_msg {
    margin: 0;
    margin-bottom: 4px;
    padding: 0;
    font-weight: bold;
}

.msg {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    margin-bottom: 3px;
    margin-top: 3px;
    line-height: 1.3;
    color: rgb(13, 13, 13);

}

.server_msg {
    margin-bottom: 3px;
    margin-top: 3px;
    color: rgb(131, 131, 131);
    font-size: small;
}

.emoji_inline {
    width: 15px;
    height: 15px;
    vertical-align: middle;
    display: inline-block;

    /* TÄMÄ: Täyttää 24x24 alueen kokonaan */
    object-fit: cover;

    /* Jos kuvissa on edelleen liikaa tyhjää reunoilla, 
       tämä "suurentaa" kuvaa hieman rajoittaen tyhjää tilaa: */
    transform: scale(1.7) translateY(-1px);

    /* Estää tekstin valinnan hymiötä klikatessa */
    user-select: none;

    /* Poistetaan mahdolliset marginaalit, jotka voivat siirtää kursoria */
    margin: 0;
    padding: 0;
}

.input_area {
    display: flex;
    padding: 15px;
    background-color: #eee;
    gap: 10px;
    align-items: center;
}

.chat_input {
    height: 24px;
    line-height: 20px;
    white-space: nowrap;
    overflow-x: hidden;
    overflow-y: hidden;
    background: white;
    padding-left: 5px;
    padding-right: 5px;
    padding-top: 3px;
    border: 2px solid grey;
    border-radius: 4px;
    outline: none;
    display: block;
    width: 100%;
    position: relative;
}

.chat_input:empty:not(:focus)::before {
    content: attr(data-placeholder);
    color: #888;
    pointer-events: none;
    position: absolute;
}

.chat_input br {
    display: none;
}

.chat_input:focus {
    border-color: var(--knon-light);
}

.emoji_button {
    width: 25px;
    height: 25px;
    background-image: url('../img/moji/1F642_color.png');
    background-size: contain;
    /* Kuva mahtuu napin sisään */
    background-repeat: no-repeat;
    background-position: center;
    background-color: transparent;
    /* Poistaa napin oletusvärin jos haluat */
    border: none;
    cursor: pointer;
}

.emoji_wrapper {
    position: relative;
    display: inline-block;
}

.emoji_menu {
    position: absolute;
    bottom: 100%;
    right: 100%;
    background: white;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    z-index: 100;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 10px;
}

.emoji_icon {
    width: 32px;
    height: 32px;
    cursor: pointer;
    object-fit: contain;
    transition: transform 0.1s;
}

.emoji-icon:hover {
    transform: scale(1.2);
    background: #f0f0f0;
}

.send_button {
    background-color: var(--knon-default);
    color: white;
    padding: 7.5px 20px;
}

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    .users_window {
        width: 20%;
        border-left: none;
        border-bottom: 2px solid var(--knon-bg);
        border-left: 1px solid rgb(202, 202, 202);
        height: 100%;
        overflow-y: auto;
    }

    body {
        font-size: 15px;
    }
}