:root,
html,
body {
    height: 100%;
    width: 100%;
    padding: 0;
    margin: 0;

    --log-error: red;
    --log-warning: orange;
    --agent-color-mint: #4cae9f;
    --agent-color-peach: #b95b53;
    --agent-color-slate: #78909c;

    --focus-x: 18%;
    --focus-y: 8%;

    --panel-w: 24rem;
    --panel-bg: #10141adb;
    --panel-line: #ffffff26;
    --avatar-size: 3.25rem;
    --btn-size: 1.9rem;
    --contacts-w: 5.5rem;

    --contacts-bg: #fffb;
    --contacts-fg: #111;
}

body {
    background-image:
        linear-gradient(to top,
            #000000b8 0,
            #0000006b 15%,
            #00000017 34%,
            #00000000 50%),
        url(../images/Receptionist-ICGTW.png);
    background-size: cover, cover;
    background-repeat: no-repeat;

    background-position: center, var(--focus-x) 50%;

    display: flex;
    flex-direction: column;
    font-family: sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue';
}

@media (min-aspect-ratio: 16/9) {
    body {
        background-position: center, 50% var(--focus-y);
    }
}

main {
    flex: 1 1 0;
    min-height: 0;
    position: relative;
}

main>.padding {
    display: none;
}

.main-content {
    position: absolute;
    left: 50%;
    /* 為了不要切到背景圖 */
    bottom: 35%;
    transform: translate(-50%, 50%);
    width: min(var(--panel-w), calc(100vw - 2rem));
    box-sizing: border-box;

    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;

    padding: .75rem 1.25rem 1.25rem;
    border: 1px solid var(--panel-line);
    border-bottom: none;
    border-radius: 1.25rem;
    background-color: var(--panel-bg);
    backdrop-filter: blur(10px) saturate(120%);
}

.main-content>.panel-head {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
}

.panel-head>.status {
    color: #ffffff8c;
    font-size: .85rem;
    white-space: nowrap;
}

.panel-head>.status>#status-text {
    color: #ffffffe6;
    font-weight: bold;
    margin-left: .25em;
}

.panel-head>.panel-tools {
    flex: 0 0 auto;
    gap: .25rem;
    display: flex;
    align-items: center;
}

.panel-tools .tool,
.main-content>details>summary {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.65rem;
    height: 1.65rem;
    padding: 0;
    border: none;
    border-radius: 8px;
    background-color: transparent;
    color: #ffffff59;
    font-size: 1rem;
    cursor: pointer;
}

.panel-tools .tool:hover,
.main-content>details>summary:hover {
    color: #ffffffe6;
    background-color: #ffffff26;
}

.panel-tools .tool[aria-expanded="true"] {
    color: #ffffffd9;
    background-color: #ffffff1f;
}

.panel-tools .tool:focus-visible,
.main-content>details>summary:focus-visible,
.actions>.action:focus-visible,
.contacts>.contact:focus-visible {
    outline: 3px solid #3b9dff;
    outline-offset: 2px;
}

.main-content>.talk-log {
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: .375rem;
    max-height: 9rem;
    overflow: auto;
    overscroll-behavior: contain;
    padding: .5rem;
    border-radius: 10px;
    background-color: #ffffff0f;
}

.main-content>.talk-log:empty {
    display: none;
}

.main-content.log-off>.talk-log {
    display: none;
}

.talk-log>.msg {
    max-width: 84%;
    padding: .375rem .625rem;
    border-radius: 10px;
    font-size: .8rem;
    line-height: 1.5;
    word-break: break-word;
}

.talk-log>.msg.from-agent {
    align-self: flex-start;
    background-color: #ffffff24;
    color: #f2f4f6;
}

.talk-log>.msg.from-user {
    align-self: flex-end;
    background-color: #2f6fb5;
    color: #eaf1f9;
}

.main-content>.info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .25rem;
}

.main-content>.info>.avatar {
    font-size: var(--avatar-size);
    padding: .6rem;
    border-radius: 100%;
    display: flex;
    justify-content: center;
    align-items: center;

    color: #f8f8f8;
    outline: 4px solid #bbb;
    outline-offset: 3px;
    background-color: var(--agent-color-slate);
    margin: .5rem;

    --wave: 0;
    position: relative;
    will-change: position;
}

.avatar>.wave-ring {
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    border: 2px solid rgb(92, 224, 128);
    opacity: 0;
    pointer-events: none;
    will-change: transform, opacity;
}

.main-content>.info>.avatar.phone-on {
    outline: 4px solid #8f8;
    background-color: #151;
}

.info>.name {
    color: #f8f8f8;
    font-weight: bolder;
    font-size: 1.5rem;
    line-height: 1.2;
    white-space: nowrap;
}

.info>.number {
    color: #eeeeeeb3;
    font-weight: bold;
    font-size: 1rem;
    line-height: 1.2;
    height: 1.2em;
}

.actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    padding: 0;
    gap: 1rem;
    color: #eee;
}

.actions>.action {
    border-style: none;
    cursor: pointer;
    color: #f8f8f8;
    background-color: #777;
    border-radius: 100%;
    font-size: var(--btn-size);
    padding: .7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: .9;
}

.action.state-color {
    background-color: rgb(81, 194, 105);
}

.action.state-color.is-running {
    /** 運行中 按鈕功能變成停止 */
    background-color: rgb(182, 75, 75);
}

.action.is-running>.start-icon {
    display: none;
}

.action:not(.is-running)>.stop-icon {
    display: none;
}

.actions>.action:not(:disabled):hover {
    outline: 2px solid #f8f8f8;
    opacity: 1;
}

.actions>.action:disabled {
    cursor: not-allowed;
    opacity: .3;
}

.actions>.action.hide {
    display: none;
}

.actions>.action#interrupt-btn:not(:disabled) {
    background-color: rgb(214, 158, 46);
}


.main-content>details {
    position: absolute;
    /* 對齊標頭列，數值跟 .main-content 的 padding 綁在一起 */
    top: .75rem;
    right: 1.25rem;
    font-size: .8rem;
    color: #f8f8f8a6;
}

.main-content>details>summary {
    list-style: none;
}

.main-content>details>summary::-webkit-details-marker,
.main-content>details>summary::marker {
    display: none;
    content: '';
}

.main-content>details[open]>summary {
    color: #ffffffd9;
    background-color: #ffffff26;
}

.main-content>details[open] {
    top: auto;
    bottom: calc(100% + .6rem);
    right: 0;
    width: min(28rem, 90vw);
    max-height: 13rem;
    overflow: auto;
    overscroll-behavior: contain;
    padding: .4rem .6rem .6rem;
    border: 1px solid var(--panel-line);
    border-radius: 12px;
    background-color: #10141af0;
    backdrop-filter: blur(10px);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    line-height: 1.5;
    word-break: break-word;
}

main>.contacts {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: var(--contacts-w);
    box-sizing: border-box;

    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: 0;
    gap: .25rem;
    padding: .5rem .25rem;
    border-radius: 20px 0 0 20px;
    background-color: var(--contacts-bg);
    backdrop-filter: blur(2px);
}

.contacts>.contact {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 68px;
    padding: .35rem .25rem;
    border-radius: 12px;

    text-decoration: none;
    color: var(--contacts-fg);
    font-weight: bold;
    font-size: .8rem;
    text-align: center;
}

.contact>svg {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    border-radius: 100%;
    padding: .5rem;
    background-color: var(--agent-color-slate);
    margin: 0 0 2px;
    color: #f8f8f8;
}

.contacts>.contact:hover {
    background-color: #00000014;
}

.contact:hover>svg {
    filter: brightness(.75);
}

.contacts>.contact:hover>span {
    text-decoration: underline;
}

@media (max-width: 767.98px) {
    :root {
        --avatar-size: 2.75rem;
        --btn-size: 1.6rem;
        --contacts-bg: var(--panel-bg);
        --contacts-fg: #f8f8f8;
    }

    body {
        background-position: center, var(--focus-x) 30%;
    }

    main {
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
    }

    .main-content {
        position: relative;
        inset: unset;
        transform: none;
        width: 100%;
        max-width: none;
        border-radius: 0;
        background-color: #0006;
        backdrop-filter: blur(2px) saturate(120%);
        flex: 1 1 0;
    }

    .main-content__top-padding {
        flex: 1 1 0;
    }

    .main-content>.talk-log {
        max-height: 7.5rem;
    }

    main>.contacts {
        position: relative;
        top: auto;
        right: auto;
        transform: none;
        width: 100%;
        flex-direction: row;
        justify-content: space-around;
        gap: .25rem;
        padding: .5rem .25rem;
        border-radius: 0;
        border-top: 1px solid var(--panel-line);
    }

    .contacts>.contact {
        min-height: 0;
        flex: 1 1 0;
    }

    .contacts>.contact:hover {
        background-color: #ffffff1f;
    }

    .main-content>details {
        top: .75rem;
        right: 1rem;
    }
}

svg {
    height: 1em;
    width: 1em;
}

#detail-messages {
    max-height: 3rem;
    overflow: auto;
    background-color: #fff4;
    padding: .5rem;
    border-radius: 10px;
    width: 100%;
}