/* ==========================================================================
   GHD - AI Dataset Assistant
   完整整合版：桌機 + 英文 + 中文 + RWD
   只控制 #datasetAiAssistantRoot，避免影響 Data_home 其他版型
   ========================================================================== */

#datasetAiAssistantRoot,
#datasetAiAssistantRoot *,
#datasetAiAssistantRoot *::before,
#datasetAiAssistantRoot *::after {
    box-sizing: border-box;
}

#datasetAiAssistantRoot {
    --ai-purple: #8C46FF;
    --ai-purple-dark: #7130DB;
    --ai-purple-soft: #F7F2FF;
    --ai-border: #DED5F2;
    --ai-border-soft: #E9E4F1;
    --ai-text: #352C47;
    --ai-muted: #81778E;
    --ai-bg: #FFFFFF;
    --ai-user-bg: #DDEEFF;
    --ai-shadow: 0 18px 52px rgba(52, 35, 92, 0.16);

    font-family: "Inter", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
    color: var(--ai-text);
}

/* --------------------------------------------------------------------------
   Bootstrap / global style reset inside AI area
   -------------------------------------------------------------------------- */

#datasetAiAssistantRoot button,
#datasetAiAssistantRoot textarea {
    font: inherit;
}

#datasetAiAssistantRoot button {
    text-transform: none;
}

#datasetAiAssistantRoot p,
#datasetAiAssistantRoot h2 {
    margin: 0;
}

#datasetAiAssistantRoot textarea {
    display: block;
}

/* --------------------------------------------------------------------------
   Launcher
   -------------------------------------------------------------------------- */

#datasetAiAssistantRoot .dataset-ai-launcher {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1045;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;

    min-height: 48px;
    padding: 0 18px;

    border: 1px solid var(--ai-border);
    border-radius: 999px;
    background: var(--ai-purple);
    color: #FFFFFF;

    box-shadow: 0 12px 32px rgba(91, 48, 170, 0.22);
    cursor: pointer;
    transition: transform .18s ease, background-color .18s ease, box-shadow .18s ease;
}

#datasetAiAssistantRoot .dataset-ai-launcher:hover {
    background: var(--ai-purple-dark);
    transform: translateY(-1px);
    box-shadow: 0 14px 36px rgba(91, 48, 170, 0.28);
}

#datasetAiAssistantRoot .dataset-ai-launcher:focus-visible {
    outline: 3px solid rgba(140, 70, 255, .24);
    outline-offset: 2px;
}

#datasetAiAssistantRoot .dataset-ai-launcher-icon {
    font-size: 20px;
    line-height: 1;
}

#datasetAiAssistantRoot .dataset-ai-launcher-text {
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
}

/* data-home-ai-assistant.js 若用 hidden / aria-hidden 控制，尊重該狀態 */
#datasetAiAssistantRoot .dataset-ai-launcher[hidden] {
    display: none !important;
}

/* --------------------------------------------------------------------------
   Main panel
   -------------------------------------------------------------------------- */

#datasetAiAssistantRoot .dataset-ai-panel {
    position: fixed;
    right: 24px;
    bottom: 20px;
    z-index: 1050;

    width: 435px;
    max-width: calc(100vw - 32px);
    height: min(680px, calc(100vh - 40px));
    min-height: 520px;

    overflow: hidden;

    border: 1px solid var(--ai-border);
    border-radius: 18px;
    background: var(--ai-bg);
    box-shadow: var(--ai-shadow);

    color: var(--ai-text);
}

/*
   不在 CSS 強制 display:none / display:flex，
   避免破壞既有 data-home-ai-assistant.js 的開關邏輯。
   內部用 grid，panel 本身被 JS 顯示後即可正常排版。
*/
#datasetAiAssistantRoot .dataset-ai-panel {
    grid-template-rows: auto auto minmax(0, 1fr) auto;
}

/* 當 JS 以 style/display 或 class 顯示面板時，確保版型為 grid */
#datasetAiAssistantRoot .dataset-ai-panel:not([style*="display: none"]):not([hidden]) {
    display: grid;
}

#datasetAiAssistantRoot .dataset-ai-panel[hidden] {
    display: none !important;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

#datasetAiAssistantRoot .dataset-ai-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;

    width: 100%;
    min-width: 0;
    padding: 16px 16px;

    border-bottom: 1px solid var(--ai-border-soft);
    background: #F7F1FF;
}

#datasetAiAssistantRoot .dataset-ai-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1 1 auto;
    min-width: 0;
}

#datasetAiAssistantRoot .dataset-ai-brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 38px;

    width: 38px;
    height: 38px;

    border-radius: 12px;
    background: var(--ai-purple);
    color: #FFFFFF;
    font-size: 20px;
}

#datasetAiAssistantRoot .dataset-ai-brand-copy {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
}

#datasetAiAssistantRoot .dataset-ai-title {
    max-width: 100%;
    color: #2F2440;
    font-size: 17px;
    font-weight: 800;
    line-height: 1.25;
    white-space: normal;
    overflow-wrap: anywhere;
}

#datasetAiAssistantRoot .dataset-ai-subtitle {
    max-width: 100%;
    margin-top: 3px;
    color: var(--ai-muted);
    font-size: 11px;
    font-weight: 400;
    line-height: 1.4;
    white-space: normal;
    overflow-wrap: anywhere;
}

#datasetAiAssistantRoot .dataset-ai-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 0 0 auto;
}

#datasetAiAssistantRoot .dataset-ai-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 32px;
    height: 32px;
    padding: 0;

    border: 0;
    border-radius: 8px;
    background: transparent;
    color: #776C82;

    font-size: 18px;
    cursor: pointer;
    transition: background-color .15s ease, color .15s ease;
}

#datasetAiAssistantRoot .dataset-ai-icon-btn:hover {
    background: rgba(140, 70, 255, .09);
    color: #4E37A8;
}

#datasetAiAssistantRoot .dataset-ai-icon-btn:focus-visible {
    outline: 2px solid rgba(140, 70, 255, .35);
    outline-offset: 1px;
}

/* --------------------------------------------------------------------------
   Toolbar
   -------------------------------------------------------------------------- */

#datasetAiAssistantRoot .dataset-ai-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;

    width: 100%;
    min-width: 0;
    min-height: 56px;
    padding: 8px 14px;

    border-bottom: 1px solid var(--ai-border-soft);
    background: #FFFFFF;
}

#datasetAiAssistantRoot .dataset-ai-toolbar-label {
    display: flex;
    align-items: center;
    gap: 7px;
    flex: 1 1 auto;
    min-width: 0;

    color: #49385D;
    font-size: 13px;
    font-weight: 700;

    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

#datasetAiAssistantRoot .dataset-ai-toolbar-label i {
    flex: 0 0 auto;
    color: var(--ai-purple);
    font-size: 15px;
}

#datasetAiAssistantRoot .dataset-ai-toolbar-label span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

#datasetAiAssistantRoot .dataset-ai-clear-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex: 0 0 auto;

    min-height: 38px;
    max-width: 48%;
    padding: 0 11px;

    border: 1px solid #D7C9EE;
    border-radius: 9px;
    background: #FFFFFF;
    color: #51405F;

    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
}

#datasetAiAssistantRoot .dataset-ai-clear-btn:hover {
    border-color: #BFA5E8;
    background: #FAF7FF;
    color: #482A74;
}

#datasetAiAssistantRoot .dataset-ai-clear-btn i {
    color: #6C4A93;
}

/* 技術資訊先完全隱藏 */
#datasetAiAssistantRoot .dataset-ai-technical-status,
#datasetAiAssistantRoot .dataset-ai-technical-meta,
#datasetAiAssistantRoot .dataset-ai-meta-row {
    display: none !important;
}

/* --------------------------------------------------------------------------
   Messages
   -------------------------------------------------------------------------- */

#datasetAiAssistantRoot .dataset-ai-messages,
#datasetAiAssistantRoot .agent-messages {
    min-width: 0;
    min-height: 0;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;

    padding: 18px 16px 20px;
    background: #FFFFFF;

    scroll-behavior: smooth;
    scrollbar-gutter: stable;
}

#datasetAiAssistantRoot .dataset-ai-messages::-webkit-scrollbar {
    width: 7px;
}

#datasetAiAssistantRoot .dataset-ai-messages::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: #C8C3CE;
}

#datasetAiAssistantRoot .dataset-ai-messages::-webkit-scrollbar-track {
    background: transparent;
}

/* Welcome card */
#datasetAiAssistantRoot .dataset-ai-welcome {
    display: flex;
    align-items: flex-start;
    gap: 10px;

    width: 100%;
    min-width: 0;
    padding: 14px;

    border: 1px solid #E5DCF5;
    border-radius: 14px;
    background: #FAF7FF;
}

#datasetAiAssistantRoot .dataset-ai-welcome-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 30px;

    width: 30px;
    height: 30px;

    border-radius: 9px;
    background: #EEE3FF;
    color: var(--ai-purple);
    font-size: 15px;
}

#datasetAiAssistantRoot .dataset-ai-welcome > div:last-child {
    flex: 1 1 auto;
    min-width: 0;
}

#datasetAiAssistantRoot .dataset-ai-welcome-title {
    color: #51465E;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.5;
    white-space: normal;
    overflow-wrap: anywhere;
}

#datasetAiAssistantRoot .dataset-ai-welcome-text {
    margin-top: 2px;
    color: #80768A;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.55;
    white-space: normal;
    overflow-wrap: anywhere;
}

/* Chat bubbles */
#datasetAiAssistantRoot .bubble {
    display: block;
    width: fit-content;
    max-width: 92%;
    min-width: 0;

    margin-top: 12px;
    padding: 12px 13px;

    border: 1px solid #E3DEE8;
    border-radius: 13px;
    background: #FFFFFF;

    color: #17131C;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.65;

    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
}

#datasetAiAssistantRoot .bubble.bot {
    margin-right: auto;
    background: #FFFFFF;
}

#datasetAiAssistantRoot .bubble.me {
    margin-left: auto;
    border-color: #D7E8F7;
    background: var(--ai-user-bg);
}

#datasetAiAssistantRoot .bubble.sys {
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
    border-style: dashed;
    background: #FBFAFC;
    color: #6F6778;
    font-size: 12px;
}

/* --------------------------------------------------------------------------
   Input
   -------------------------------------------------------------------------- */

#datasetAiAssistantRoot .dataset-ai-input-area {
    width: 100%;
    min-width: 0;
    padding: 11px 13px 10px;

    border-top: 1px solid var(--ai-border-soft);
    background: #FFFFFF;
}

#datasetAiAssistantRoot .dataset-ai-input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 40px;
    align-items: end;
    gap: 8px;

    width: 100%;
    min-width: 0;
    padding: 7px;

    border: 1px solid #D8CDEB;
    border-radius: 13px;
    background: #FFFFFF;
}

#datasetAiAssistantRoot #agent-text {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    min-height: 76px;
    max-height: 150px;
    margin: 0 !important;
    padding: 9px 10px;

    border: 1px solid #CFC8D5;
    border-radius: 6px;
    outline: 0;
    background: #FFFFFF;

    color: #2E2835;
    font-size: 14px;
    line-height: 1.5;

    resize: none;
    overflow-y: auto;
}

#datasetAiAssistantRoot #agent-text::placeholder {
    color: #A49BAA;
    opacity: 1;
}

#datasetAiAssistantRoot #agent-text:focus {
    border-color: #A881E6;
    box-shadow: 0 0 0 2px rgba(140, 70, 255, .10);
}

#datasetAiAssistantRoot .dataset-ai-send-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 40px !important;
    min-width: 40px !important;
    max-width: 40px !important;
    height: 40px;
    padding: 0;

    border: 1px solid var(--ai-purple);
    border-radius: 9px;
    background: var(--ai-purple);
    color: #FFFFFF;

    font-size: 19px;
    cursor: pointer;
    transition: background-color .15s ease, transform .15s ease, opacity .15s ease;
}

#datasetAiAssistantRoot .dataset-ai-send-btn:hover:not(:disabled) {
    background: var(--ai-purple-dark);
    border-color: var(--ai-purple-dark);
    transform: translateY(-1px);
}

#datasetAiAssistantRoot .dataset-ai-send-btn:focus-visible {
    outline: 3px solid rgba(140, 70, 255, .22);
    outline-offset: 2px;
}

#datasetAiAssistantRoot .dataset-ai-send-btn:disabled {
    opacity: .45;
    cursor: not-allowed;
    transform: none;
}

#datasetAiAssistantRoot .dataset-ai-hint,
#datasetAiAssistantRoot .agent-hint {
    width: 100%;
    max-width: 100%;
    min-width: 0;

    margin-top: 6px;
    padding: 0 2px;

    color: #9A919F;
    font-size: 10px;
    line-height: 1.35;

    white-space: normal;
    overflow-wrap: anywhere;
}

/* --------------------------------------------------------------------------
   RWD
   -------------------------------------------------------------------------- */

@media (max-width: 600px) {
    #datasetAiAssistantRoot .dataset-ai-panel {
        right: 8px;
        bottom: 8px;

        width: calc(100vw - 16px);
        max-width: calc(100vw - 16px);
        height: min(690px, calc(100vh - 16px));
        min-height: 480px;

        border-radius: 16px;
    }

    #datasetAiAssistantRoot .dataset-ai-launcher {
        right: 12px;
        bottom: 12px;
    }

    #datasetAiAssistantRoot .dataset-ai-header {
        padding: 13px 12px;
    }

    #datasetAiAssistantRoot .dataset-ai-brand {
        gap: 9px;
    }

    #datasetAiAssistantRoot .dataset-ai-brand-icon {
        flex-basis: 34px;
        width: 34px;
        height: 34px;
        border-radius: 10px;
        font-size: 18px;
    }

    #datasetAiAssistantRoot .dataset-ai-title {
        font-size: 15px;
    }

    #datasetAiAssistantRoot .dataset-ai-subtitle {
        font-size: 10px;
    }

    #datasetAiAssistantRoot .dataset-ai-toolbar {
        min-height: 52px;
        padding: 7px 10px;
    }

    #datasetAiAssistantRoot .dataset-ai-toolbar-label {
        font-size: 12px;
    }

    #datasetAiAssistantRoot .dataset-ai-clear-btn {
        min-height: 36px;
        padding: 0 9px;
        font-size: 12px;
    }

    #datasetAiAssistantRoot .dataset-ai-messages {
        padding: 14px 12px 16px;
    }

    #datasetAiAssistantRoot .dataset-ai-input-area {
        padding: 9px 10px 8px;
    }

    #datasetAiAssistantRoot #agent-text {
        min-height: 70px;
        font-size: 13px;
    }
}

@media (max-width: 390px) {
    #datasetAiAssistantRoot .dataset-ai-header-actions {
        gap: 2px;
    }

    #datasetAiAssistantRoot .dataset-ai-icon-btn {
        width: 28px;
        height: 28px;
    }

    #datasetAiAssistantRoot .dataset-ai-clear-btn {
        max-width: 44%;
    }

    #datasetAiAssistantRoot .dataset-ai-welcome {
        padding: 12px;
    }

    #datasetAiAssistantRoot .bubble {
        max-width: 96%;
        font-size: 13px;
    }
}

/* --------------------------------------------------------------------------
   Print
   -------------------------------------------------------------------------- */

@media print {
    #datasetAiAssistantRoot {
        display: none !important;
    }
}


/* v5: accessibility-safe visibility state */
#datasetAiAssistantRoot .dataset-ai-panel[hidden],
#datasetAiAssistantRoot .dataset-ai-launcher[hidden] {
    display: none !important;
}