/* 채팅 위젯 스타일 */
.chat-widget {
    --chat-widget-width: 25vw;
    --chat-widget-min-width: 400px;
    --chat-widget-max-height: 70vh;
    --chat-widget-radius: 10px;
    --chat-widget-bg: #ffffff;
    --chat-widget-border: none;
    --chat-widget-shadow:
        0 14px 30px rgba(0, 0, 0, 0.28),
        0 4px 10px rgba(0, 0, 0, 0.18);
    --chat-header-bg: #616161;
    --chat-header-color: #ffffff;
    --chat-header-padding: 13.5px 15px;
    --chat-toggle-hover-shadow: 0 0 18px rgba(0, 0, 0, 1);
    --chat-body-height: 50vh;
    --chat-body-enter-offset: 8px;
    --chat-surface-bg: #ffffff;
    --chat-bubble-default-bg: #e0e0e0;
    --chat-bubble-user-bg: #616161;
    --chat-bubble-user-color: #ffffff;
    --chat-bubble-bot-bg: #e9ecef;
    --chat-bubble-bot-color: inherit;
    --chat-input-bg: linear-gradient(90deg, var(--theme-surface), rgba(243, 243, 243, 0.97));
    --chat-input-border: 1px solid var(--theme-border);
    --chat-input-field-bg: #ffffff;
    --chat-input-field-color: inherit;
    --chat-input-field-border: #dddddd;
    --chat-input-placeholder-color: var(--site-placeholder);
    --chat-send-bg: #757575;
    --chat-send-color: #ffffff;
    --chat-send-hover-bg: #616161;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: var(--chat-widget-width);
    min-width: var(--chat-widget-min-width);
    z-index: var(--site-z-floating);
    font-family: var(--site-font-body);
    box-shadow: var(--chat-widget-shadow);
    border-radius: var(--chat-widget-radius);
    border: var(--chat-widget-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: var(--chat-widget-bg);
    max-height: var(--chat-widget-max-height);
    box-sizing: border-box;
}

.chat-header {
    background: var(--chat-header-bg);
    color: var(--chat-header-color);
    padding: var(--chat-header-padding);
    cursor: default;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h3 {
    margin: 0;
    font-size: 18px;
}

.chat-toggle {
    background: none;
    border: none;
    color: var(--chat-header-color);
    width: 36px;
    height: 36px;
    font-size: 29px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    font-weight: 700;
    text-shadow: none;
    filter: none;
    transition: text-shadow var(--motion-fast, 0.2s ease), filter var(--motion-fast, 0.2s ease);
}

.chat-toggle:hover,
.chat-toggle:focus-visible {
    text-shadow: var(--chat-toggle-hover-shadow);
    filter: none;
}

.chat-body {
    display: flex;
    flex-direction: column;
    height: var(--chat-body-height);
    max-height: 0;
    opacity: 0;
    transform: translateY(var(--chat-body-enter-offset));
    overflow: hidden;
    pointer-events: none;
    transition: max-height 0.28s ease, opacity 0.24s ease, transform 0.24s ease;
}

.chat-widget.is-open .chat-body {
    max-height: var(--chat-body-height);
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    background: var(--chat-surface-bg);
}

.message {
    margin-bottom: 15px;
    max-width: 80%;
}

.message.user {
    margin-left: auto;
    text-align: right;
}

.message.bot {
    margin-right: auto;
}

.message-content {
    display: inline-block;
    padding: 10px 15px;
    border-radius: 15px;
    background: var(--chat-bubble-default-bg);
    word-wrap: break-word;
}

.message.user .message-content {
    background: var(--chat-bubble-user-bg);
    color: var(--chat-bubble-user-color);
    border-bottom-right-radius: 0;
}

.message.bot .message-content {
    background: var(--chat-bubble-bot-bg);
    color: var(--chat-bubble-bot-color);
    border-bottom-left-radius: 0;
}

.chat-message-link {
    color: var(--site-link, #4f4f4f);
    text-decoration: underline;
    transition: opacity var(--motion-fast, 0.2s ease);
}

.chat-message-link:hover,
.chat-message-link:focus-visible {
    opacity: 0.8;
}

.chat-input {
    display: flex;
    padding: 10px;
    background: var(--chat-input-bg);
    border-top: var(--chat-input-border);
}

.chat-input input {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--chat-input-field-border);
    border-radius: 20px;
    margin-right: 10px;
    outline: none;
    background: var(--chat-input-field-bg);
    color: var(--chat-input-field-color);
}

.chat-input input::placeholder {
    color: var(--chat-input-placeholder-color);
}

.chat-input button {
    background: var(--chat-send-bg);
    color: var(--chat-send-color);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(0);
    transition: background-color 0.15s ease, transform 0.15s ease;
}

.chat-input button:hover,
.chat-input button:focus-visible {
    background: var(--chat-send-hover-bg);
}

.chat-input button:active {
    background: var(--chat-send-hover-bg);
    translate: 0 var(--btn-template-active-press-depth, 1px);
}

body.portfolio-page .chat-widget,
body.portfolio-page .chat-header,
body.portfolio-page .chat-header h3,
body.portfolio-page .chat-messages,
body.portfolio-page .message-content,
body.portfolio-page .chat-input,
body.portfolio-page .chat-input input,
body.portfolio-page .chat-input button {
    transition:
        background-color 0.62s cubic-bezier(0.22, 1, 0.36, 1),
        color 0.52s cubic-bezier(0.22, 1, 0.36, 1),
        border-color 0.52s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 0.62s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.15s ease;
}

body.portfolio-page.theme-dark .chat-widget {
    --chat-widget-bg: #2a2a2a;
    --chat-widget-shadow: 0 16px 34px rgba(0, 0, 0, 0.58);
    --chat-header-bg: #333333;
    --chat-header-color: #f0f0f0;
    --chat-toggle-hover-shadow: 0 0 18px rgba(255, 255, 255, 0.95);
    --chat-surface-bg: #262626;
    --chat-bubble-bot-bg: #343434;
    --chat-bubble-bot-color: #f2f2f2;
    --chat-bubble-user-bg: #4b4b4b;
    --chat-bubble-user-color: #ffffff;
    --chat-input-bg: #2b2b2b;
    --chat-input-border: none;
    --chat-input-field-bg: #363636;
    --chat-input-field-color: #f0f0f0;
    --chat-input-field-border: rgba(255, 255, 255, 0.22);
    --chat-send-bg: #676767;
    --chat-send-hover-bg: #7a7a7a;
}