/*
 * AI Portfolio Chat - CSS Final Upgrade (2025 Trend Edition - Full Glassmorphism & New Accent Gradient)
 * This file now controls ALL styles related to the AI Assistant, including the FAB button and the modal.
 */

/* 1. FONT & ICON IMPORTS
----------------------------------------------------------------*/
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@24,400,0,0');

/* 2. ROOT & THEME VARIABLES
----------------------------------------------------------------*/
:root {
    /* --- Light Mode Palette (Glassmorphism Optimized) --- */
    --text-color: #1A1A1A; /* Text is black for light mode */
    --subheading-color: #7A7A7A;
    --placeholder-color: #9A9A9A;

    --primary-bg: #F8FAFC; /* Main background for body, etc. (mostly for backdrop blur color) */
    --primary-bg-opacity: #ffffffad; /* Main background for body, etc. (mostly for backdrop blur color) */
    --secondary-bg: #E2E8F0; /* Background for elements like tags, lottie container (less glass) */
    --secondary-hover-bg: #CBD5E1; /* Hover state for secondary background elements */

    --primary-accent: #3B82F6; /* Primary accent color (for fallback or specific solid uses) */
    --gradient-blue-red: linear-gradient(90deg, #3B82F6, #EF4444); /* Existing gradient (for insight badge) */

    /* Point Gradient for emphasis (chat header, send button, user messages) */
    --point-gradient: linear-gradient(90deg, #1987FA, #10C2A0);

    --error-color: #F87171; /* Error messages */
    --scrollbar-thumb: #A1A1A1;
    --scrollbar-track: #F1F5F9;

    /* Glassmorphism background transparencies for modals */
    --stage1-modal-bg: rgba(255, 255, 255, 0.02); /* Modal 1: Very transparent for background to show well */
    --stage2-modal-bg: rgba(255, 255, 255, 0.02); /* Adjusted to match stage1-modal-bg transparency */

    --glass-border: rgba(255, 255, 255, 0.3); /* TRANSPARENT BORDER for glass elements */
    --glass-blur: blur(15px); /* General blur for glass elements */
    --glass-shadow: rgba(0, 0, 0, 0.1); /* Lighter shadow for light mode glassmorphism */

    /* NEW: Modal overlay background color (for .ai-portfolio-chat-modal.show.stage-2) */
    --modal-overlay-bg: rgba(255, 255, 255, 0.8); /* Light mode: Brighten the background */

    /* NEW: Focus colors for input field - Light Mode */
    --input-focus-bg: rgba(226, 232, 240, 0.5); /* secondary-bg with transparency */
    --input-focus-border: rgba(203, 213, 225, 0.8); /* secondary-hover-bg with transparency */
    --input-focus-shadow: rgba(0, 0, 0, 0.08); /* A soft grey shadow */
}

body[data-theme="dark"] {
    /* --- Dark Mode Palette (Glassmorphism Optimized) --- */
    --text-color: #E2E8F0; /* Text is light for dark mode */
    --subheading-color: #94A3B8;
    --placeholder-color: #64748B;

    --primary-bg: #1E293B; /* Main background for body, etc. */
    --primary-bg-opacity: #000000ad; /* Main background for body, etc. (mostly for backdrop blur color) */
    --secondary-bg: #334155; /* Background for less glass elements */
    --secondary-hover-bg: #475569; /* Hover state for secondary background elements */

    --primary-accent: #60A5FA; /* Primary accent color */
    --gradient-blue-red: linear-gradient(90deg, #60A5FA, #F87171); /* Existing gradient */

    /* Point Gradient for emphasis (chat header, send button, user messages) */
    --point-gradient: linear-gradient(90deg, #1987FA, #10C2A0);

    --error-color: #EF4444;
    --scrollbar-thumb: #64748B;
    --scrollbar-track: #1A1B26;

    /* Glassmorphism background transparencies for modals */
    --stage1-modal-bg: rgba(30, 41, 59, 0.05); /* Modal 1: Very transparent for background to show well */
    --stage2-modal-bg: rgba(30, 41, 59, 0.05); /* Adjusted to match stage1-modal-bg transparency */

    --glass-border: rgba(255, 255, 255, 0.1); /* TRANSPARENT BORDER for glass elements */
    --glass-blur: blur(15px); /* General blur for glass elements */
    --glass-shadow: rgba(0, 0, 0, 0.4); /* Stronger shadow for dark mode glassmorphism */

    /* NEW: Modal overlay background color (for .ai-portfolio-chat-modal.show.stage-2) */
    --modal-overlay-bg: rgba(0, 0, 0, 0.7); /* Dark mode: Darken the background */

    /* NEW: Focus colors for input field - Dark Mode */
    --input-focus-bg: rgba(51, 65, 85, 0.5); /* secondary-bg with transparency */
    --input-focus-border: rgba(71, 85, 105, 0.8); /* secondary-hover-bg with transparency */
    --input-focus-shadow: rgba(0, 0, 0, 0.6); /* A soft grey shadow */
}

/* 3. AI ASSISTANT FAB & CURSOR STYLES
----------------------------------------------------------------*/
#ai-assistant-FAB {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 60px;
    height: 60px;
    z-index: 900; /* 헤더(1002)보다는 낮게 설정 */
    cursor: none !important; /* JS로 제어할 커스텀 커서 사용 */
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), filter 0.4s ease;
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: grayscale(1); /* 기본적으로 흑백 */
}

#ai-assistant-FAB:hover {
    filter: grayscale(0); /* 호버 시 컬러 */
    transform: scale(1.1); /* 호버 시 확대 */
}

#ai-assistant-FAB.hidden {
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    pointer-events: none;
}

#custom-cursor-dot {
    position: fixed;
    width: 8px;
    height: 8px;
    background-color: var(--primary-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 950;
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.2s ease, transform 0.1s ease;
}

#ai-assistant-ask-image {
    position: absolute;
    width: 40px;
    height: 40px;
    top: -10px;
    left: -10px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 901;
}

/* 4. AI PORTFOLIO CHAT MODAL STYLES
----------------------------------------------------------------*/
/* AI Portfolio Chat Modal General Styles */
.ai-portfolio-chat-modal {
    display: none;
    position: fixed;
    z-index: 1001; /* 헤더(1002)보다 낮고, FAB(900)보다 높게 */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0); /* Start transparent */
    transition: background-color 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
}

.ai-portfolio-chat-modal.show {
    display: block;
}

.ai-portfolio-chat-modal.show.stage-2 {
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-portfolio-chat-modal-content {
    background-color: var(--stage2-modal-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--glass-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden; /* ★★★ 이 속성은 hidden으로 유지되어야 합니다. */
    position: relative;
    opacity: 0;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease,
                background-color 0.3s ease, width 0.3s ease, height 0.3s ease,
                max-width 0.3s ease, max-height 0.3s ease,
                bottom 0.3s ease, right 0.3s ease, margin 0.3s ease, padding 0.3s ease;
}

/* Stage 1 Modal (Mini Modal) Styles */
.ai-portfolio-chat-modal.stage-1 .ai-portfolio-chat-modal-content {
    position: absolute;
    bottom: 2rem;
    right: 1.5em;
    max-width: 380px;
    width: auto;
    height: auto;
    max-height: 75vh;
    transform-origin: bottom right;
    padding: 16px;
    gap: 10px;
    /* overflow-y: auto; */
    background-color: var(--stage1-modal-bg);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 20px var(--glass-shadow);
        overflow: visible !important;
}

.ai-portfolio-chat-modal.stage-1.show .ai-portfolio-chat-modal-content {
    opacity: 1;
    transform: scale(1);
    overflow: visible;
    
}

.ai-portfolio-chat-modal.stage-1 .chat-header,
.ai-portfolio-chat-modal.stage-1 .chat-messages .bot-message:not(.initial-suggestion),
.ai-portfolio-chat-modal.stage-1 .chat-messages .user-message,
.ai-portfolio-chat-modal.stage-1 #portfolioLoadingStatus,
.ai-portfolio-chat-modal.stage-1 .ai-portfolio-results,
.ai-portfolio-chat-modal.stage-1 .ai-portfolio-chat-modal-content .close-button {
    display: none;
}

.ai-portfolio-chat-modal.stage-1 .chat-messages {
    min-height: 0;
    padding: 0;
    margin-bottom: 0;
    overflow: visible;
    padding-left: 5px;
    padding-bottom: 10px;
}

.ai-portfolio-chat-modal.stage-1 .chat-message.initial-suggestion {
    margin-top: 0;
    padding: 0;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: visible;
}

.ai-portfolio-chat-modal.stage-1 .chat-message.initial-suggestion p {
    font-size: 12px;
    font-weight: 500;
    color: var(--subheading-color);
    margin-bottom: 6px;
}

.ai-portfolio-chat-modal.stage-1 .chat-message .suggestion-btn {
    background-color: var(--stage1-modal-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
    background-color: var(--primary-bg-opacity);
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    text-align: left;
    box-shadow: 0 2px 8px var(--glass-shadow);
}

.ai-portfolio-chat-modal.stage-1 .chat-message .suggestion-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px var(--glass-shadow);
    background-color: color-mix(in srgb, var(--stage1-modal-bg) 80%, var(--primary-accent));
    border-color: var(--primary-accent);
}

.ai-portfolio-chat-modal.stage-1 .chat-message .suggestion-btn::after {
    content: 'arrow_forward';
    font-family: 'Material Symbols Rounded';
    font-size: 18px;
    color: var(--text-color);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.ai-portfolio-chat-modal.stage-1 .chat-message .suggestion-btn:hover::after {
    transform: rotate(45deg);
}

/* Stage 2 Modal (Full Chat Window) Styles */
.ai-portfolio-chat-modal.stage-2 .ai-portfolio-chat-modal-content {
    max-width: 850px;
    width: 90%;
    max-height: 92vh;
    transform-origin: center center;
    margin: 4vh auto;
    padding: 24px;
    border: 1px solid var(--glass-border);
}

/* --- MODIFIED --- */
/* .show 상태의 content에서 전체 스크롤을 유발하는 overflow:auto를 제거합니다. */
.ai-portfolio-chat-modal.stage-2.show .ai-portfolio-chat-modal-content {
    transform: scale(1);
    opacity: 1;
    /* overflow: auto;  <-- 이 줄을 삭제합니다. */
}

.ai-portfolio-chat-modal-content .close-button {
    color: var(--subheading-color);
    font-size: 40px;
    font-weight: bold;
    position: absolute;
    top: 16px;
    right: 24px;
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
    z-index: 10;
}

.ai-portfolio-chat-modal-content .close-button:hover,
.ai-portfolio-chat-modal-content .close-button:focus {
    color: var(--text-color);
    transform: rotate(90deg);
}

/* +++ ADDED +++ */
/* HTML에서 새로 추가한 스크롤 컨테이너에 대한 스타일입니다. */
.chat-scroll-area {
    flex-grow: 1;
    overflow-y: auto;
    min-height: 0;
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 20px, black calc(100% - 20px), transparent);
    mask-image: linear-gradient(to bottom, transparent, black 20px, black calc(100% - 20px), transparent);
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 12px;
    /* margin-bottom에서 padding-bottom으로 변경하면 더 자연스럽습니다. */
    border-bottom: 1px solid color-mix(in srgb, var(--secondary-bg) 50%, transparent);
    margin-bottom: 20px; 
}

.chat-header strong {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    background: var(--point-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-left: -30px;
}

.chat-header .ai-header-lottie-container {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    visibility: hidden;
}

.ai-header-lottie-container svg {
    display: block;
    width: 100%;
    height: 100%;
}

/* --- MODIFIED --- */
/* .chat-messages에서 스크롤 및 레이아웃 관련 속성을 제거합니다. */
.chat-messages {
    /* flex-grow: 1; <-- 제거 */
    /* overflow-y: auto; <-- 제거 */
    /* min-height: 250px; <-- 제거 */
    padding-right: 10px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 0;
}


.chat-message {
    padding: 14px 18px;
    border-radius: 20px;
    max-width: 80%;
    word-break: break-word;
    line-height: 1.6;
    font-size: 14px;
    background-color: var(--stage2-modal-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 2px 8px var(--glass-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.chat-message:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--glass-shadow);
    background-color: color-mix(in srgb, var(--stage2-modal-bg) 80%, var(--primary-accent));
    border-color: var(--primary-accent);
}

.user-message {
    background: var(--point-gradient);
    color: #FFF;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border: none;
}

.bot-message {
    color: var(--text-color);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    background-color: var(--primary-bg-opacity);
}

/* --- MODIFIED --- */
/* 하단 입력창이 항상 고정되도록 flex-shrink 속성을 확인합니다. */
.chat-input-area {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid color-mix(in srgb, var(--secondary-bg) 50%, transparent);
    position: relative;
    flex-shrink: 0; /* 이 속성이 중요합니다. */
}

#aiPortfolioChatInput {
    flex-grow: 1;
    padding: 14px 50px 14px 18px;
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    outline: none;
    transition: background-color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    background-color: var(--stage2-modal-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-color);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05), 0 2px 8px var(--glass-shadow);
}

#aiPortfolioChatInput:focus {
    background-color: var(--input-focus-bg);
    box-shadow: 0 0 0 3px var(--input-focus-shadow);
    border-color: var(--input-focus-border);
}

#aiPortfolioChatInput::placeholder {
    color: var(--placeholder-color);
}

.ai-chat-send-btn {
    background: var(--point-gradient);
    color: #FFF;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    right: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.ai-chat-send-btn:hover {
    filter: brightness(1.15);
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.ai-chat-send-btn .lottie-animation {
    width: 100%;
    height: 100%;
    scale: 2;
}

.chat-message.initial-suggestion {
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
    align-self: flex-start;
    border-radius: 0;
    padding: 0;
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-message.initial-suggestion p {
    font-size: 13px;
    font-weight: 500;
    color: var(--subheading-color);
    margin-bottom: 8px;
}

.chat-message .suggestion-btn {
    background-color: var(--stage2-modal-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    align-self: flex-start;
    max-width: fit-content;
    box-shadow: 0 2px 8px var(--glass-shadow);
    background-color: var(--primary-bg-opacity);
}

.chat-message .suggestion-btn:hover {
    background-color: color-mix(in srgb, var(--stage2-modal-bg) 80%, var(--primary-accent));
    transform: translateY(-2px);
    border-color: var(--primary-accent);
    box-shadow: 0 4px 12px var(--glass-shadow);
}

#portfolioLoadingStatus {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-color);
    font-size: 14px;
    width: 100%;
    background-color: var(--stage2-modal-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 16px;
    border-radius: 20px;
    border-bottom-left-radius: 4px;
    align-self: flex-start;
    max-width: 100%;
    box-sizing: border-box;
    box-shadow: 0 2px 8px var(--glass-shadow);
    border: 1px solid var(--glass-border);
}

#portfolioLoadingStatus.active {
    display: flex;
}

#portfolioLoadingStatus .loading-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 100%;
    background: transparent;
}

#portfolioLoadingLottie {
    width: 50px;
    height: 50px;
    margin-bottom: 6px;
}

#portfolioLoadingText {
    font-weight: 600;
    font-size: 14px;
    line-height: 1.5;
    text-align: center;
    color: var(--text-color);
}

#portfolioLoadingStatus .ai-loading-progress {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
    width: 100%;
    padding: 12px;
    background: var(--stage2-modal-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    box-shadow: inset 0 1px 4px var(--glass-shadow);
}

#portfolioLoadingStatus .ai-loading-progress .step {
    font-size: 13px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

#portfolioLoadingStatus .ai-loading-progress .step .circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-accent);
    color: #FFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

#portfolioLoadingStatus .ai-loading-progress .step[data-status="active"] .circle {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

.ai-portfolio-results {
    display: none;
    flex-direction: column;
    gap: 14px;
    overflow-y: auto;
    padding-right: 10px;
    flex-grow: 1;
    background-color: var(--stage2-modal-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-color);
    padding: 16px;
    border-radius: 20px;
    border-bottom-left-radius: 4px;
    align-self: flex-start;
    max-width: 100%;
    box-sizing: border-box;
    box-shadow: 0 2px 8px var(--glass-shadow);
    border: 1px solid var(--glass-border);
}

.ai-portfolio-results.show {
    display: flex;
}

#portfolioResultCards::-webkit-scrollbar {
    width: 6px;
}

#portfolioResultCards::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 3px;
}

#portfolioResultCards::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 3px;
}

#portfolioResultCards::-webkit-scrollbar-thumb:hover {
    background: var(--subheading-color);
}

.ai-insight {
    background-color: var(--stage2-modal-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 12px;
    border-left: 4px solid var(--primary-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05), 0 2px 8px var(--glass-shadow);
    border: 1px solid var(--glass-border);
}

.ai-insight-badge {
    background: var(--gradient-blue-red);
    color: #FFF;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
    flex-shrink: 0;
}

#portfolioInsightText {
    font-size: 13px;
    color: var(--text-color);
    line-height: 1.6;
}

#portfolioResultCards {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-height: 500px;
}

.portfolio-card {
    background-color: var(--primary-bg-opacity);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 4px 12px var(--glass-shadow);
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px var(--glass-shadow);
    background-color: color-mix(in srgb, var(--stage2-modal-bg) 80%, var(--primary-accent));
    border-color: var(--primary-accent);
}

.portfolio-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.portfolio-card p {
    font-size: 13px;
    color: var(--subheading-color);
    margin: 0;
}

.portfolio-card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.portfolio-card .tag {
    background-color: var(--secondary-bg);
    color: var(--text-color);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 500;
}

.portfolio-card .card-action-btn {
    background: var(--point-gradient);
    color: #FFF;
    border: none;
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    align-self: flex-start;
    margin-top: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.portfolio-card .card-action-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

#portfolioFollowUpActions {
    background-color: var(--stage2-modal-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-color);
    padding: 16px;
    border-radius: 20px;
    border-bottom-left-radius: 4px;
    align-self: flex-start;
    max-width: 100%;
    box-sizing: border-box;
    margin-top: 14px;
    display: none;
    box-shadow: 0 2px 8px var(--glass-shadow);
    border: 1px solid var(--glass-border);
}

#portfolioFollowUpActions.show {
    display: block;
}

#portfolioFollowUpActions .ai-chat-bubble {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-accent);
    background: var(--secondary-bg);
    padding: 8px 14px;
    border-radius: 18px;
    display: inline-block;
    margin-bottom: 10px;
}

#portfolioFollowUpButtons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

#portfolioFollowUpButtons .ai-action-btn {
    border: 1px solid var(--glass-border);
    background-color: var(--stage2-modal-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-color);
    padding: 10px 16px;
    border-radius: 18px;
    font-weight: 600;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background-color 0.2s ease, transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 8px var(--glass-shadow);
    cursor: pointer;
}

#portfolioFollowUpButtons .ai-action-btn:hover {
    background-color: color-mix(in srgb, var(--stage2-modal-bg) 80%, var(--primary-accent));
    transform: translateY(-2px);
    border-color: var(--primary-accent);
    color: var(--primary-accent);
    box-shadow: 0 4px 12px var(--glass-shadow);
}

.chat-message.follow-up-suggestion-message .ai-chat-bubble {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-accent);
    background: var(--secondary-bg);
    padding: 8px 14px;
    border-radius: 18px;
    display: inline-block;
    margin-bottom: 10px;
}

.chat-message.follow-up-suggestion-message .follow-up-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chat-message.follow-up-suggestion-message .ai-action-btn {
    border: 1px solid var(--glass-border);
    background-color: var(--stage2-modal-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-color);
    padding: 10px 16px;
    border-radius: 18px;
    font-weight: 600;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background-color 0.2s ease, transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 8px var(--glass-shadow);
    cursor: pointer;
}

.chat-message.follow-up-suggestion-message .ai-action-btn:hover {
    background-color: color-mix(in srgb, var(--stage2-modal-bg) 80%, var(--primary-accent));
    transform: translateY(-2px);
    border-color: var(--primary-accent);
    color: var(--primary-accent);
    box-shadow: 0 4px 12px var(--glass-shadow);
}

body.dark-theme .chat-message.follow-up-suggestion-message .ai-chat-bubble,
body.dark-theme .chat-message.follow-up-suggestion-message .ai-action-btn {
    background: var(--secondary-bg);
}

body.dark-theme .chat-message.follow-up-suggestion-message .ai-action-btn:hover {
    background-color: var(--secondary-hover-bg);
}

.chat-message.result-cards-message {
    background: transparent;
    padding: 0;
    margin: 0;
    max-width: 100%;
    align-self: flex-start;
    border-radius: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
}

.confetti-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1001;
}

@media (max-width: 767px) {
    .ai-portfolio-chat-modal.stage-1 .ai-portfolio-chat-modal-content {
        right: 1rem;
        bottom: calc(1.5rem + 60px);
        max-width: calc(100vw - 2rem);
        padding: 12px;
    }

    .ai-portfolio-chat-modal.stage-2 .ai-portfolio-chat-modal-content {
        padding: 16px;
        width: 98%;
        max-height: 85vh;
        margin: 2vh auto;
    }

    .chat-message {
        font-size: 13px;
        padding: 12px 16px;
    }

    #aiPortfolioChatInput {
        font-size: 13px;
        padding: 12px 40px 12px 16px;
    }

    .ai-chat-send-btn {
        width: 38px;
        height: 38px;
        font-size: 18px;
    }

    .chat-header strong {
        font-size: 18px;
    }

    .chat-header .ai-header-lottie-container {
        width: 36px;
        height: 36px;
    }

    #portfolioLoadingStatus .ai-loading-progress .step {
        font-size: 12px;
    }

    #portfolioResultCards {
        max-height: 400px;
    }

    .ai-insight {
        padding: 12px;
    }

    .ai-insight-badge {
        font-size: 10px;
        padding: 3px 8px;
    }

    #portfolioInsightText {
        font-size: 12px;
    }

    .portfolio-card {
        padding: 16px;
    }

    .portfolio-card h4 {
        font-size: 14px;
    }

    .portfolio-card p {
        font-size: 12px;
    }

    .portfolio-card .tag {
        font-size: 10px;
        padding: 3px 6px;
    }

    .portfolio-card .card-action-btn {
        padding: 8px 14px;
        font-size: 12px;
    }

    .chat-message.follow-up-suggestion-message .ai-chat-bubble,
    .chat-message.follow-up-suggestion-message .ai-action-btn {
        font-size: 13px;
        padding: 8px 14px;
    }
}