/* ==========================================================================
   CCR (猪猪) - DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

/* --- Custom Variables & Theme Configurations --- */
:root {
    /* Light Theme Palette (Default) */
    --bg-primary: #fff7f6;
    --bg-secondary: #ffebeb;
    --card-bg: rgba(255, 255, 255, 0.75);
    --card-border: rgba(255, 183, 178, 0.4);
    --text-primary: #2d2325;
    --text-secondary: #5e4f52;
    --accent-pink: #ff8b94;
    --accent-peach: #ffb7b2;
    --accent-purple: #b580d1;
    --accent-blue: #a0c4ff;
    --accent-yellow: #ffd166;
    --shadow-sm: 0 4px 6px -1px rgba(255, 139, 148, 0.1), 0 2px 4px -1px rgba(255, 139, 148, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(255, 139, 148, 0.15), 0 4px 6px -2px rgba(255, 139, 148, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(255, 139, 148, 0.2), 0 10px 10px -5px rgba(255, 139, 148, 0.1);
    --font-heading: 'Outfit', 'Noto Sans SC', sans-serif;
    --font-body: 'Noto Sans SC', sans-serif;
    --nav-bg: rgba(255, 247, 246, 0.8);
    --glass-blur: blur(16px);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --gradient-primary: linear-gradient(135deg, var(--accent-peach), var(--accent-pink));
    --gradient-accent: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    --glow-color: rgba(255, 139, 148, 0.4);
}

.dark-theme {
    /* Dark Theme Palette */
    --bg-primary: #120c0e;
    --bg-secondary: #1d1215;
    --card-bg: rgba(25, 17, 20, 0.75);
    --card-border: rgba(181, 128, 209, 0.3);
    --text-primary: #f5f0f1;
    --text-secondary: #beb1b4;
    --accent-pink: #ff85a2;
    --accent-peach: #ffa6a1;
    --accent-purple: #c792ea;
    --accent-blue: #90bbfd;
    --accent-yellow: #ffe066;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.7);
    --nav-bg: rgba(18, 12, 14, 0.8);
    --gradient-primary: linear-gradient(135deg, #1d1215, #29181f);
    --gradient-accent: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    --glow-color: rgba(199, 146, 234, 0.4);
}

/* --- Core Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
    transition: background-color 0.5s ease, color 0.3s ease;
}

/* Floating background container */
.bubble-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.bg-bubble {
    position: absolute;
    bottom: -100px;
    background: radial-gradient(circle, rgba(255, 183, 178, 0.25) 0%, rgba(255, 139, 148, 0) 70%);
    border-radius: 50%;
    animation: rise 15s infinite linear;
}

/* --- Utilities & Colors --- */
.text-pink { color: var(--accent-pink); }
.text-purple { color: var(--accent-purple); }
.text-blue { color: var(--accent-blue); }
.text-red { color: #ff5e62; }
.highlight-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}
.color-span {
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-pink), var(--accent-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background-color: var(--nav-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    z-index: 1000;
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--card-border);
    transition: var(--transition-smooth);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
}

.logo-emoji {
    animation: wiggle 3s infinite ease-in-out;
}

.logo-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-item {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
}

.nav-item:hover, .nav-item.active {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.theme-btn {
    background: none;
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    font-size: 1.1rem;
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-smooth);
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-btn:hover {
    background-color: var(--accent-peach);
    transform: scale(1.05) rotate(15deg);
    color: #fff;
    box-shadow: 0 0 10px var(--accent-peach);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 100px 5% 50px 5%;
    z-index: 1;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

/* Avatar Animation & Styling */
.hero-avatar-wrapper {
    position: relative;
    justify-self: center;
    width: 320px;
    height: 320px;
}

.avatar-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple), var(--accent-yellow));
    border-radius: 42% 58% 70% 30% / 45% 45% 55% 55%;
    filter: blur(12px);
    opacity: 0.65;
    animation: morph 8s infinite alternate ease-in-out;
}

.hero-avatar {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 42% 58% 70% 30% / 45% 45% 55% 55%;
    border: 6px solid var(--card-bg);
    animation: morph 8s infinite alternate ease-in-out, float 6s infinite ease-in-out;
    box-shadow: var(--shadow-lg);
    z-index: 2;
    transition: transform 0.5s ease;
}

.hero-avatar:hover {
    transform: scale(1.03) rotate(3deg);
}

.status-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background-color: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
    z-index: 3;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #2ec4b6;
    border-radius: 50%;
    display: inline-block;
    animation: pulseDot 1.8s infinite ease-in-out;
}

/* Hero Content */
.hero-text-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.greeting-box {
    align-self: flex-start;
    background-color: var(--bg-secondary);
    color: var(--accent-pink);
    padding: 8px 18px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--card-border);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.15;
}

.hero-title .sub-name {
    font-size: 1.8rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 550px;
}

/* Typewriter */
.typewriter-container {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    min-height: 40px;
}

.typewriter-text {
    color: var(--accent-purple);
    border-bottom: 2px dashed var(--accent-purple);
    padding-bottom: 2px;
}

.cursor {
    font-weight: 300;
    animation: cursorBlink 0.8s infinite;
    color: var(--accent-purple);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-top: 10px;
}

/* Buttons */
.btn {
    text-decoration: none;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.primary-btn {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 15px var(--glow-color);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--glow-color);
}

.secondary-btn {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.secondary-btn:hover {
    transform: translateY(-3px);
    background-color: var(--bg-secondary);
    border-color: var(--accent-pink);
}

/* Scroll indicator */
.scroll-down-indicator {
    position: absolute;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.scroll-down-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-secondary);
    text-decoration: none;
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--text-secondary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 1.5s infinite;
}

.arrow-down {
    display: block;
    width: 10px;
    height: 10px;
    border-bottom: 2px solid var(--text-secondary);
    border-right: 2px solid var(--text-secondary);
    transform: rotate(45deg);
    margin-top: 6px;
    animation: scrollArrow 1.5s infinite;
}

/* ==========================================================================
   COMMON SECTIONS & LAYOUTS
   ========================================================================== */
.section {
    padding: 100px 8%;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-pink);
    background-color: var(--bg-secondary);
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
    border: 1px solid var(--card-border);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Glassmorphism generic card */
.glass-card {
    background-color: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

/* ==========================================================================
   MBTI DECODER
   ========================================================================== */
.mbti-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr;
    gap: 40px;
    align-items: stretch;
}

/* MBTI Left Side Tab panel */
.mbti-cards {
    background-color: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.mbti-letter-tabs {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.mbti-tab {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 16px 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    transition: var(--transition-smooth);
}

.mbti-tab .letter {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--text-secondary);
}

.mbti-tab .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 700;
    text-align: center;
}

.mbti-tab:hover {
    transform: translateY(-4px);
    border-color: var(--accent-pink);
    background-color: var(--bg-secondary);
}

.mbti-tab.active {
    background: var(--gradient-accent);
    border-color: transparent;
    box-shadow: 0 8px 20px var(--glow-color);
}

.mbti-tab.active .letter,
.mbti-tab.active .label {
    color: white;
}

/* MBTI Panels */
.mbti-tab-content {
    position: relative;
    min-height: 240px;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.tab-panel.active {
    display: block;
}

.tab-panel h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mbti-detail {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 1rem;
    line-height: 1.7;
}

.mbti-bullet-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mbti-bullet-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.95rem;
}

.mbti-bullet-list li i {
    margin-top: 4px;
    color: var(--accent-pink);
}

/* MBTI Right Side Visual Stats */
.mbti-visual {
    background-color: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.radar-box {
    display: flex;
    flex-direction: column;
    gap: 25px;
    height: 100%;
    justify-content: space-between;
}

.radar-title {
    font-size: 1.15rem;
    font-weight: 800;
    text-align: center;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 12px;
}

.stat-bars {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 700;
}

.bar-bg {
    height: 10px;
    background-color: var(--bg-primary);
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--card-border);
}

.bar-fill {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 5px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.1, 1, 0.1, 1);
}

.quote-card {
    background-color: var(--bg-primary);
    border-left: 4px solid var(--accent-purple);
    padding: 16px;
    border-radius: 0 16px 16px 0;
    position: relative;
    border-top: 1px solid var(--card-border);
    border-right: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

.quote-icon {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 2.5rem;
    color: var(--accent-peach);
    opacity: 0.15;
}

.quote-card p {
    font-style: italic;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   LIFESTYLE & HOBBIES
   ========================================================================== */
.hobbies-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.column-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.column-title i {
    color: var(--accent-purple);
}

.hobby-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hobby-card {
    background-color: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 24px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.hobby-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-pink);
}

.hobby-icon-box {
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-pink);
    flex-shrink: 0;
    border: 1px solid var(--card-border);
}

.hobby-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hobby-info h4 {
    font-size: 1.15rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.hobby-badge {
    font-size: 0.7rem;
    font-weight: 800;
    padding: 2px 10px;
    border-radius: 12px;
    text-transform: uppercase;
}

.badge-warning { background-color: #ffe5d9; color: #d9381e; }
.badge-purple { background-color: #f0e6ff; color: #6b21a8; }
.badge-blue { background-color: #e0f2fe; color: #0369a1; }
.badge-pink { background-color: #ffe4e6; color: #be123c; }
.badge-orange { background-color: #ffedd5; color: #c2410c; }
.badge-danger { background-color: #fee2e2; color: #b91c1c; }

.hobby-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   STICKER PLAYGROUND & CHAT SIMULATOR
   ========================================================================== */
.interactive-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: start;
}

/* Sticker Grid Box */
.sticker-playground {
    background-color: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    padding: 30px;
}

.sticker-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 15px;
}

.sticker-tab-btn {
    background: none;
    border: 1px solid var(--card-border);
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.sticker-tab-btn:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.sticker-tab-btn.active {
    background: var(--gradient-accent);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px var(--glow-color);
}

.sticker-grid {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 20px;
}

.sticker-grid.active {
    display: grid;
    animation: fadeIn 0.4s ease forwards;
}

.sticker-item {
    background-color: var(--bg-primary);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.sticker-item img {
    width: 85px;
    height: 85px;
    object-fit: contain;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.sticker-name {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

/* Hover effects on stickers */
.sticker-item:hover {
    transform: translateY(-6px) scale(1.03);
    border-color: var(--accent-pink);
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow-md);
}

.sticker-item:hover img {
    transform: scale(1.1);
    animation: bounceSticker 0.6s infinite alternate;
}

.sticker-item:active {
    transform: scale(0.95);
}

/* Floating Emoji Particle Effect */
.floating-particle {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    font-size: 1.8rem;
    animation: particleFly 1.2s cubic-bezier(0.12, 0.8, 0.35, 1) forwards;
}

/* Chat Simulator */
.chat-simulator {
    background-color: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    height: 520px;
    overflow: hidden;
}

.chat-header {
    background-color: var(--bg-secondary);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--card-border);
}

.chat-status-indicator {
    width: 10px;
    height: 10px;
    background-color: #2ec4b6;
    border-radius: 50%;
    position: relative;
}

.chat-user-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.chat-user-name {
    font-weight: 800;
    font-size: 0.95rem;
}

.chat-user-status {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.chat-header i {
    color: var(--text-secondary);
    cursor: pointer;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background-color: rgba(255, 255, 255, 0.3);
}

.dark-theme .chat-messages {
    background-color: rgba(0, 0, 0, 0.2);
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    margin: 4px 0;
}

.message {
    display: flex;
    gap: 10px;
    max-width: 85%;
}

.incoming {
    align-self: flex-start;
}

.outgoing {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-avatar {
    width: 36px;
    height: 36px;
    background-color: var(--accent-purple);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.chat-avatar-self {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 1px solid var(--card-border);
}

.chat-avatar-self img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.message-bubble-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.incoming .message-bubble-wrapper {
    align-items: flex-start;
}

.outgoing .message-bubble-wrapper {
    align-items: flex-end;
}

.sender-name {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.message-bubble {
    padding: 10px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.4;
    word-break: break-all;
}

.incoming .message-bubble {
    background-color: var(--bg-primary);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    border-top-left-radius: 4px;
}

.outgoing .message-bubble {
    background: var(--gradient-accent);
    color: white;
    border-top-right-radius: 4px;
    box-shadow: 0 2px 6px rgba(181, 128, 209, 0.2);
}

.message-bubble img {
    max-width: 120px;
    max-height: 120px;
    border-radius: 8px;
    display: block;
    margin-top: 4px;
}

.animate-msg {
    animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.chat-controls {
    padding: 15px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.scenario-selector {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 700;
    gap: 8px;
}

.scenario-selector select {
    flex: 1;
    background-color: var(--bg-primary);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: 8px;
    outline: none;
    font-weight: 600;
}

.chat-send-btn {
    width: 100%;
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.chat-send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--glow-color);
}

.chat-send-btn:active {
    transform: translateY(0);
}

/* ==========================================================================
   COZY CORNER
   ========================================================================== */
.cozy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.polaroid {
    background-color: white;
    padding: 16px 16px 24px 16px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.06), 0 5px 15px rgba(0,0,0,0.04);
    border-radius: 4px;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0,0,0,0.05);
    transform: rotate(var(--rot, 0deg));
}

.dark-theme .polaroid {
    background-color: #23191c;
    border-color: rgba(255,255,255,0.05);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

.polaroid:nth-child(1) { --rot: -2deg; }
.polaroid:nth-child(2) { --rot: 1deg; }
.polaroid:nth-child(3) { --rot: -1.5deg; }

.polaroid:hover {
    transform: translateY(-10px) rotate(0deg) scale(1.02);
    box-shadow: 0 25px 40px rgba(255,139,148,0.18);
    z-index: 10;
}

.polaroid-img-wrapper {
    width: 100%;
    height: 220px;
    background-color: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 16px;
    border: 1px solid rgba(0,0,0,0.03);
}

.polaroid-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.polaroid:hover .polaroid-img-wrapper img {
    transform: scale(1.08);
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffd166, #ff8b94);
    color: white;
}

.text-polaroid-content {
    text-align: center;
}

.dollar-sign {
    font-size: 3rem;
    font-weight: 900;
    font-family: var(--font-heading);
    line-height: 1;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.small-text {
    font-size: 0.85rem;
    font-weight: 700;
    background-color: rgba(0,0,0,0.15);
    padding: 3px 10px;
    border-radius: 10px;
}

.polaroid-desc h4 {
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.polaroid-desc p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.cozy-footer {
    text-align: center;
    max-width: 800px;
    margin: 40px auto 0 auto;
}

.signature-box {
    background-color: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    padding: 30px 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
}

.signature-quote {
    font-size: 1.15rem;
    font-weight: 600;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.6;
}

.signature-author {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--accent-pink);
    letter-spacing: 1px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
    text-align: center;
    padding: 50px 5%;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--card-border);
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.9rem;
    position: relative;
    z-index: 2;
}

.footer-subtext {
    font-size: 0.75rem;
    opacity: 0.8;
}

/* ==========================================================================
   KEYFRAME ANIMATIONS & REVEALS
   ========================================================================== */

/* Reveal-on-scroll styling */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }

/* Morphing avatar backing */
@keyframes morph {
    0% { border-radius: 42% 58% 70% 30% / 45% 45% 55% 55%; }
    100% { border-radius: 70% 30% 52% 48% / 60% 40% 60% 40%; }
}

/* Floating animation */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* Wiggle animation */
@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-8deg); }
    75% { transform: rotate(8deg); }
}

/* Bubble rising */
@keyframes rise {
    0% {
        transform: translateY(0) scale(0.5);
        opacity: 0;
    }
    15% {
        opacity: 1;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(-110vh) scale(1.2);
        opacity: 0;
    }
}

/* Pulse badge dot */
@keyframes pulseDot {
    0% { box-shadow: 0 0 0 0 rgba(46, 196, 182, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(46, 196, 182, 0); }
    100% { box-shadow: 0 0 0 0 rgba(46, 196, 182, 0); }
}

/* Typewriter blink */
@keyframes cursorBlink {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

/* Scroll Indicators */
@keyframes scrollWheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

@keyframes scrollArrow {
    0% { opacity: 0; transform: rotate(45deg) translate(-5px, -5px); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: rotate(45deg) translate(5px, 5px); }
}

/* Fade in for tabs */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Message animation */
@keyframes popIn {
    from { opacity: 0; transform: scale(0.8) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Emoji particle flying */
@keyframes particleFly {
    0% {
        transform: translate(-50%, -50%) scale(0.3) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translate(var(--tx), var(--ty)) scale(1) rotate(var(--rot));
        opacity: 0;
    }
}

/* Bounce sticker on hover */
@keyframes bounceSticker {
    0% { transform: translateY(0); }
    100% { transform: translateY(-4px); }
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVENESS)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .hero-avatar-wrapper {
        width: 250px;
        height: 250px;
    }
    .greeting-box {
        align-self: center;
    }
    .hero-buttons {
        justify-content: center;
    }
    .mbti-grid {
        grid-template-columns: 1fr;
    }
    .hobbies-container {
        grid-template-columns: 1fr;
    }
    .interactive-layout {
        grid-template-columns: 1fr;
    }
    .cozy-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0 4px;
        justify-content: space-around;
    }
    .logo-text {
        display: none;
    }
    .nav-links {
        gap: 10px;
    }
    .nav-item {
        font-size: 0.85rem;
        padding: 6px 8px;
    }
    .hero-title {
        font-size: 2.6rem;
    }
    .hero-title .sub-name {
        font-size: 1.4rem;
    }
    .section {
        padding: 60px 5%;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .mbti-cards {
        padding: 20px;
    }
    .mbti-letter-tabs {
        gap: 6px;
    }
    .mbti-tab {
        padding: 10px 4px;
    }
    .mbti-tab .letter {
        font-size: 1.6rem;
    }
    .mbti-tab .label {
        font-size: 0.65rem;
    }
    .mbti-tab-content {
        min-height: 280px;
    }
    .cozy-grid {
        grid-template-columns: 1fr;
    }
    .polaroid {
        max-width: 320px;
        margin: 0 auto;
    }
}