:root {
    --bg: #0f172a;
    --glass: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.15);
    --txt: #e2e8f0;
    --txt2: #94a3b8;
    --accent: #a855f7;
    --pink: #ff6b9d;
    --cyan: #00f5d4;
    --yellow: #ffd166;
}

html { scroll-behavior: smooth; }
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--txt);
    min-height: 100vh;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

#bgVideo {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center 20%;
    z-index: -3;
    opacity: 0.55;
    mix-blend-mode: screen;
    transition: opacity 1s ease-in-out;
}
#bgVideo.visible { opacity: 1; }

#overlay, #transition-overlay {
    position: fixed;
    inset: 0;
    z-index: -2;
    background: rgba(15, 23, 42, 0.7);
}

#transition-overlay {
    background: var(--bg);
    opacity: 0;
    pointer-events: none;
    z-index: 10001;
    transition: opacity 0.5s ease-in-out;
}
#transition-overlay.visible { opacity: 1; }

#trailCanvas {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
}

#main-layout {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px 16px;
}

#main-content { width: 100%; }

.wrap {
    max-width: none;
    margin: 0;
    padding: 0 0 50px 0;
}

.card {
    background: var(--glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 22px 18px;
    margin-bottom: 18px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}
.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 48px 0 rgba(0, 0, 0, 0.45);
}

h1 {
    text-align: center;
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--pink), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}
.sub { text-align: center; color: var(--txt2); font-size: .9rem; margin-bottom: 25px; }

/* --- Card Selection Modal --- */
@keyframes card-popup {
    0% { transform: translateY(100px) scale(0.8); opacity: 0; }
    100% { transform: translateY(0) scale(1); opacity: 1; }
}

#card-modal-content { perspective: 1500px; }
#card-container { display: flex; gap: 30px; }

.card-item {
    width: 150px;
    height: 220px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(100px);
}
.card-item.popped { animation: card-popup 0.5s forwards; }

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.card-item.flipped .card-inner { transform: rotateY(180deg); }

.card-back, .card-front {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    background-size: cover;
    background-position: center;
}

.card-back {
    /* 기존 스타일 주석 처리 */
    /* background: linear-gradient(135deg, var(--accent), var(--cyan)); */
    /* border: 3px solid #fff; */
    /* content: '🌙'; */
    
    /* 사용자 이미지 사용 (파일을 images/Saju_BackCard.png 경로에 넣어주세요) */
    background-image: url('images/Saju_BackCard.png');
    border: 1px solid rgba(255,255,255,0.3);
}

.card-front {
    /* 기존 스타일 주석 처리 */
    /* background: linear-gradient(135deg, var(--yellow), var(--pink)); */

    /* 사용자 이미지 사용 (파일을 images/Saju_FrontCard.png 경로에 넣어주세요) */
    background-image: url('images/Saju_FrontCard.png');
    transform: rotateY(180deg);
}

/* 나머지 CSS는 생략... 기존과 동일 */
/* ... (이하 모든 기존 CSS 내용) ... */
:root {
    --bg: #0f172a;
    --glass: rgba(255, 255, 255, 0.08); /* Lighter glass effect */
    --border: rgba(255, 255, 255, 0.15); /* Slightly more prominent border */
    --txt: #e2e8f0; /* Soft white */
    --txt2: #94a3b8; /* Muted gray */
    --accent: #a855f7; /* Purple */
    --pink: #ff6b9d; /* Pink */
    --cyan: #00f5d4; /* Cyan */
    --yellow: #ffd166; /* Yellow */
}

html {
    scroll-behavior: smooth; /* Smooth scrolling for anchor links */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background: var(--bg);
    color: var(--txt);
    min-height: 100vh;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); /* Subtle text shadow */
}

#bgVideo {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    z-index: -3;
    opacity: 0.55;
    mix-blend-mode: screen;
}

#overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
    z-index: -2;
}

#trailCanvas {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
}

/* --- New Layout Styles --- */
#main-layout {
    max-width: 800px; /* Centered, single column layout */
    margin: 0 auto;
    padding: 24px 16px;
}

#main-content {
    width: 100%; /* Take full width of the parent */
}



.wrap {
    max-width: none; /* Remove previous max-width to allow flex to control */
    margin: 0; /* Remove previous margin auto */
    padding: 0 0 50px 0; /* Adjust padding for main content flow */
}




.card {
    background: var(--glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 22px 18px;
    margin-bottom: 18px; /* Slightly more space between cards */
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37); /* Enhanced shadow for depth */
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 48px 0 rgba(0, 0, 0, 0.45);
}


h1 {
    text-align: center;
    font-size: 1.8rem; /* Slightly larger */
    background: linear-gradient(135deg, var(--pink), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px; /* Slightly more space */
}

.sub {
    text-align: center;
    color: var(--txt2);
    font-size: .9rem; /* Slightly larger */
    margin-bottom: 25px; /* Slightly more space */
}

.sec-title {
    font-size: 1rem; /* Slightly larger */
    font-weight: 700;
    margin-bottom: 16px; /* Slightly more space */
    display: flex;
    align-items: center;
    gap: 6px; /* Slightly more gap */
    color: var(--txt); /* Ensure good contrast */
}

.sec-title .nm {
    color: var(--cyan);
}

.sec-title .sub-t {
    font-size: .7rem; /* Slightly larger */
    color: #a0aec0; /* Lighter gray */
    font-weight: 400;
    margin-left: 10px;
}

.fortune-sel {
    display: flex;
    gap: 8px; /* Slightly more gap */
    margin-bottom: 20px; /* Slightly more space */
}

.fortune-sel button {
    flex: 1;
    padding: 12px 8px; /* Increased padding */
    border: 2px solid var(--border);
    background: rgba(0, 0, 0, .4);
    color: var(--txt2);
    font-size: .8rem; /* Slightly larger */
    font-weight: 600;
    cursor: pointer;
    border-radius: 12px; /* More rounded */
    transition: .2s ease-in-out;
}

.fortune-sel button.on {
    border-color: var(--cyan);
    color: var(--cyan);
    background: rgba(0, 245, 212, .15); /* Stronger background */
}

.fortune-sel button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 245, 212, 0.2);
}

.gender-sel {
    display: flex;
    gap: 10px; /* Slightly more gap */
}

.gender-sel button {
    flex: 1;
    padding: 14px; /* Increased padding */
    border: 2px solid var(--border);
    background: rgba(0, 0, 0, .4);
    color: var(--txt2);
    font-size: .9rem; /* Slightly larger */
    font-weight: 600;
    cursor: pointer;
    border-radius: 12px; /* More rounded */
    transition: .2s ease-in-out;
}

.gender-sel button.on {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(168, 85, 247, .2); /* Stronger background */
}

.gender-sel button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(168, 85, 247, 0.2);
}

.form-g {
    margin-bottom: 16px; /* Slightly more space */
}

.form-g label {
    display: block;
    font-size: .85rem; /* Slightly larger */
    color: var(--txt2);
    margin-bottom: 8px; /* Slightly more space */
}

.form-g input,
.form-g select,
.form-g textarea { /* Added textarea */
    width: 100%;
    padding: 14px; /* Increased padding */
    background: rgba(0, 0, 0, .5); /* Darker input background */
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--txt);
    font-size: .95rem;
    transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.form-g input:focus,
.form-g select:focus,
.form-g textarea:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 0 2px rgba(0, 245, 212, 0.3);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px; /* Slightly more gap */
}

.tab-row {
    display: flex;
    background: rgba(0, 0, 0, .4); /* Darker background */
    border-radius: 10px; /* More rounded */
    padding: 4px; /* Increased padding */
    margin-bottom: 18px; /* Slightly more space */
}

.tab-row button {
    flex: 1;
    padding: 10px; /* Increased padding */
    border: none;
    background: transparent; /* Changed to transparent */
    color: var(--txt2);
    font-size: .85rem; /* Slightly larger */
    cursor: pointer;
    border-radius: 8px; /* More rounded */
    transition: .2s ease-in-out;
}

.tab-row button.on {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(168, 85, 247, 0.3);
}

.tab-row button:hover {
    color: var(--accent);
}

.tab-row button.on:hover {
    color: #fff;
}

.tab-c {
    display: none;
}

.tab-c.on {
    display: block;
}

.chk-row {
    display: flex;
    gap: 10px; /* Slightly more gap */
    align-items: center;
    margin-top: 10px; /* Slightly more space */
}

.chk-row input[type="checkbox"] {
    appearance: none; /* Hide default checkbox */
    width: 18px; /* Larger size */
    height: 18px;
    border: 2px solid var(--txt2);
    border-radius: 4px;
    background-color: transparent;
    cursor: pointer;
    position: relative;
    transition: background-color 0.2s, border-color 0.2s;
}

.chk-row input[type="checkbox"]:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

.chk-row input[type="checkbox"]::after {
    content: '✔'; /* Checkmark symbol */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 14px;
    display: none;
}

.chk-row input[type="checkbox"]:checked::after {
    display: block;
}

.chk-row label {
    color: var(--txt2);
    font-size: .9rem; /* Slightly larger */
    cursor: pointer;
}

.submit {
    width: 100%;
    padding: 16px; /* Increased padding */
    margin-top: 12px; /* Increased space */
    background: linear-gradient(135deg, var(--pink), var(--accent));
    border: none;
    border-radius: 14px; /* More rounded */
    color: #fff;
    font-size: 1.05rem; /* Slightly larger */
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

#loading {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, .97);
    z-index: 9999; /* Higher z-index */
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.ld {
    width: 50px; /* Larger spinner */
    height: 50px;
    border: 4px solid rgba(0, 245, 212, .2); /* Thicker border */
    border-top-color: var(--cyan);
    border-radius: 50%;
    animation: sp 1s linear infinite;
}

#result {
    display: none;
}

.hero {
    text-align: center;
    padding: 18px 0; /* Increased padding */
}

.soul-c {
    font-size: 4rem; /* Larger font size */
    filter: drop-shadow(0 0 30px var(--yellow)); /* Stronger shadow */
    margin: 10px 0;
}

.soul-t {
    font-size: 1.2rem; /* Larger font size */
    font-weight: 800;
    color: var(--pink);
    margin-bottom: 10px;
}

.mbti-badge {
    display: inline-block;
    padding: 8px 16px; /* Increased padding */
    background: linear-gradient(135deg, var(--cyan), var(--accent));
    border-radius: 25px; /* More rounded */
    font-size: .9rem; /* Slightly larger */
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px; /* Slightly more space */
}

.theme-tabs {
    display: flex;
    gap: 8px; /* Slightly more gap */
    margin-bottom: 18px; /* Slightly more space */
}

.theme-tabs button {
    flex: 1;
    padding: 12px 6px; /* Increased padding */
    border: 2px solid var(--border);
    background: rgba(0, 0, 0, .4);
    color: var(--txt2);
    font-size: .8rem; /* Slightly larger */
    font-weight: 600;
    cursor: pointer;
    border-radius: 12px; /* More rounded */
    transition: .2s ease-in-out;
}

.theme-tabs button.on {
    border-color: var(--pink);
    color: var(--pink);
    background: rgba(255, 107, 157, .15); /* Stronger background */
}

.theme-tabs button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(255, 107, 157, 0.2);
}

.story {
    color: var(--txt);
    font-size: 1rem; /* Slightly larger */
    line-height: 1.9;
}

.advice-box {
    background: linear-gradient(135deg, rgba(255, 107, 157, .15), rgba(168, 85, 247, .15)); /* Stronger background */
    border: 1px solid var(--pink);
    border-radius: 14px; /* More rounded */
    padding: 18px; /* Increased padding */
    margin-top: 16px; /* Increased space */
}

.advice-t {
    color: var(--pink);
    font-weight: 700;
    margin-bottom: 10px;
    font-size: .95rem; /* Slightly larger */
}

.stat-row {
    display: flex;
    align-items: center;
    margin-bottom: 14px; /* Slightly more space */
    gap: 10px; /* Slightly more gap */
}

.stat-row img {
    width: 30px; /* Larger icon */
    height: 30px;
    object-fit: contain;
}

.stat-track {
    flex: 1;
    height: 10px; /* Thicker bar */
    background: rgba(0, 0, 0, .5); /* Darker background */
    border-radius: 5px;
    overflow: hidden;
}

.stat-fill {
    height: 100%;
    width: 0;
    border-radius: 5px;
    transition: width 1.2s;
}

.stat-n {
    width: 26px; /* Wider text area */
    text-align: right;
    font-weight: 700;
    font-size: .9rem; /* Slightly larger */
}

.luck-box {
    display: flex;
    gap: 14px; /* Slightly more gap */
    padding: 16px; /* Increased padding */
    background: rgba(0, 0, 0, .4); /* Darker background */
    border-radius: 12px; /* More rounded */
}

.luck-dot {
    width: 42px; /* Larger dot */
    height: 42px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 20px currentColor; /* Stronger shadow */
}

.luck-info strong {
    display: block;
    color: var(--yellow);
    margin-bottom: 4px;
    font-size: .9rem; /* Slightly larger */
}

.luck-info span {
    color: var(--txt2);
    font-size: .85rem; /* Slightly larger */
}

.quest-box {
    background: linear-gradient(135deg, rgba(0, 245, 212, .15), rgba(96, 165, 250, .15)); /* Stronger background */
    border: 1px solid var(--cyan);
    border-radius: 14px; /* More rounded */
    padding: 16px; /* Increased padding */
    margin-top: 14px; /* Increased space */
}

.quest-t {
    color: var(--cyan);
    font-weight: 700;
    margin-bottom: 8px;
    font-size: .9rem; /* Slightly larger */
}

.btn-row {
    display: flex;
    gap: 12px; /* Slightly more gap */
    margin-top: 16px; /* Increased space */
}

.reset {
    flex: 1;
    padding: 14px; /* Increased padding */
    background: rgba(0, 0, 0, .5);
    border: 1px solid var(--border);
    border-radius: 12px; /* More rounded */
    color: var(--txt2);
    font-size: .95rem; /* Slightly larger */
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.2s ease-in-out;
}

.reset:hover {
    background: rgba(0, 0, 0, 0.7);
    color: var(--txt);
    transform: translateY(-2px);
}

.kakao-btn {
    flex: 1;
    padding: 14px; /* Increased padding */
    background: #FEE500;
    border: none;
    border-radius: 12px; /* More rounded */
    color: #3C1E1E;
    font-size: .95rem; /* Slightly larger */
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px; /* Slightly more gap */
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.kakao-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

.ad {
    margin-top: 24px; /* Increased space */
    padding: 30px; /* Increased padding */
    background: rgba(0, 0, 0, .3);
    border: 1px dashed var(--border);
    border-radius: 14px; /* More rounded */
    text-align: center;
    color: var(--txt2);
    font-size: .8rem;
}

.encyclopedia {
    margin-top: 40px;
    padding-bottom: 30px; /* Add bottom padding to separate from new sections */
}

.encyclopedia h2 {
    font-size: 1.4rem; /* Larger font size */
    color: var(--cyan);
    margin-bottom: 25px; /* More space */
    text-align: center;
}

.enc-card {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 16px; /* More rounded */
    padding: 20px; /* Increased padding */
    margin-bottom: 16px; /* Slightly more space */
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.enc-card h3 {
    color: var(--pink);
    font-size: 1.1rem; /* Slightly larger */
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px; /* Slightly more gap */
}

.enc-card h3 span {
    font-size: 1.6rem; /* Slightly larger */
}

.enc-card p {
    color: var(--txt2);
    font-size: .9rem; /* Slightly larger */
    line-height: 1.9;
}

.pillars {
    display: flex;
    justify-content: center;
    gap: 14px; /* Slightly more gap */
    margin: 18px 0; /* Slightly more space */
}

.pillar {
    text-align: center;
    min-width: 65px; /* Slightly wider */
}

.pillar-label {
    font-size: .75rem; /* Slightly larger */
    color: var(--txt2);
    margin-bottom: 8px;
    display: block;
}

.stem,
.branch {
    width: 55px; /* Larger size */
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem; /* Larger font size */
    font-weight: 700;
    border-radius: 10px; /* More rounded */
    margin: 0 auto 6px; /* Adjust margin */
}

.saju-msg {
    text-align: center;
    color: var(--cyan);
    font-size: .9rem; /* Slightly larger */
    margin-top: 14px;
    padding: 12px; /* Increased padding */
    background: rgba(0, 245, 212, .15); /* Stronger background */
    border-radius: 10px;
}

.chemistry-content {
    display: flex;
    flex-direction: column;
    gap: 14px; /* Slightly more gap */
}

.chemistry-item {
    display: flex;
    align-items: center;
    gap: 14px; /* Slightly more gap */
    padding: 16px; /* Increased padding */
    border-radius: 14px; /* More rounded */
}

.chemistry-item.best {
    background: linear-gradient(135deg, rgba(0, 245, 212, .2), rgba(96, 165, 250, .2)); /* Stronger background */
    border: 1px solid var(--cyan);
}

.chemistry-item.worst {
    background: linear-gradient(135deg, rgba(239, 68, 68, .2), rgba(168, 85, 247, .2)); /* Stronger background */
    border: 1px solid var(--pink);
}

.chemistry-item .emoji {
    font-size: 2rem; /* Larger emoji */
}

.chemistry-info strong {
    display: block;
    font-size: .9rem; /* Slightly larger */
    margin-bottom: 6px;
}

.chemistry-item.best strong {
    color: var(--cyan);
}

.chemistry-item.worst strong {
    color: var(--pink);
}

.chemistry-info p {
    color: var(--txt2);
    font-size: .85rem; /* Slightly larger */
    margin: 0;
}

/* MBTI Test Modal */
#mbtiModal {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 9999;
    flex-direction: column;
    padding: 25px; /* Increased padding */
    overflow-y: auto;
}

.mbti-header {
    text-align: center;
    margin-bottom: 35px; /* More space */
    position: relative;
}

.mbti-close-btn {
    position: absolute;
    top: 0;
    right: 0;
    background: none;
    border: none;
    color: var(--txt2);
    font-size: 1.6rem; /* Larger close button */
    cursor: pointer;
    padding: 5px 10px;
}

.mbti-progress {
    width: 100%;
    height: 8px; /* Thicker progress bar */
    background: rgba(255, 255, 255, 0.15); /* More visible background */
    border-radius: 4px;
    margin-top: 20px;
    overflow: hidden;
}

.mbti-bar {
    height: 100%;
    background: var(--accent);
    width: 0%;
    transition: width 0.3s ease;
}

.q-card {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 22px; /* More rounded */
    padding: 35px 25px; /* Increased padding */
    text-align: center;
    margin-bottom: 25px; /* More space */
    animation: fadeIn 0.5s ease;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37); /* Consistent shadow */
}

.q-text {
    font-size: 1.3rem; /* Larger font size */
    font-weight: 700;
    margin-bottom: 35px;
    line-height: 1.6; /* Improved line height */
    color: #fff;
}

.opt-btn {
    width: 100%;
    padding: 18px; /* Increased padding */
    margin-bottom: 14px; /* Increased space */
    background: rgba(255, 255, 255, 0.08); /* More visible background */
    border: 1px solid var(--border);
    border-radius: 14px; /* More rounded */
    color: var(--txt);
    font-size: 1.05rem; /* Slightly larger */
    cursor: pointer;
    transition: 0.2s ease-in-out;
}

.opt-btn:hover,
.opt-btn:active {
    background: rgba(168, 85, 247, 0.25); /* Stronger hover effect */
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(168, 85, 247, 0.2);
}

/* Action Buttons Layout */
.action-buttons {
    display: flex;
    gap: 12px; /* Increased gap */
    margin-top: 15px; /* Increased space */
}

.mbti-start-btn {
    flex: 1;
    padding: 16px; /* Increased padding */
    background: rgba(0, 0, 0, 0.5); /* Darker background */
    border: 1px solid var(--accent);
    color: var(--accent);
    font-weight: 700;
    border-radius: 14px; /* More rounded */
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.95rem; /* Slightly larger */
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out, background 0.2s;
}

.mbti-start-btn:hover {
    background: rgba(168, 85, 247, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(168, 85, 247, 0.2);
}


/* MBTI Result Modal */
#mbtiResultModal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.95);
    z-index: 10000;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 25px; /* Increased padding */
    overflow-y: auto;
}

.mbti-res-card {
    background: var(--glass);
    border: 1px solid var(--accent);
    border-radius: 22px; /* More rounded */
    padding: 28px; /* Increased padding */
    width: 100%;
    max-width: 450px; /* Wider card */
    text-align: center;
    box-shadow: 0 0 40px rgba(168, 85, 247, 0.3); /* Stronger shadow */
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.res-badge {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 8px 16px; /* Increased padding */
    border-radius: 25px; /* More rounded */
    font-size: 1rem; /* Larger font size */
    font-weight: 700;
    margin-bottom: 14px;
}

.res-title {
    font-size: 2.2rem; /* Larger font size */
    font-weight: 800;
    background: linear-gradient(135deg, var(--cyan), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 18px;
}

.res-desc {
    color: var(--txt);
    font-size: 1rem; /* Larger font size */
    line-height: 1.7;
    margin-bottom: 25px;
    text-align: left;
    background: rgba(0, 0, 0, 0.25); /* Stronger background */
    padding: 16px; /* Increased padding */
    border-radius: 14px; /* More rounded */
}

.res-compare {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px dashed var(--border);
    font-size: 1rem; /* Larger font size */
    color: var(--txt2);
}

/* MBTI Mini Popup */
.mini-popup {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.98); /* Darker background */
    border: 1px solid var(--cyan);
    border-radius: 18px; /* More rounded */
    padding: 18px 22px; /* Increased padding */
    box-shadow: 0 -5px 25px rgba(0, 245, 212, 0.4); /* Stronger shadow */
    z-index: 990;
    display: flex;
    align-items: center;
    gap: 15px; /* Increased gap */
    transition: bottom 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    width: 90%;
    max-width: 400px; /* Wider popup */
}

.mini-popup.show {
    bottom: 25px; /* Higher position */
}

.mini-btn {
    background: var(--cyan);
    color: #0f172a;
    border: none;
    padding: 10px 16px; /* Increased padding */
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.9rem; /* Slightly larger */
    cursor: pointer;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 245, 212, 0.2);
}

.mini-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 245, 212, 0.3);
}

.mini-close {
    position: absolute;
    top: -12px;
    right: -12px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--txt2);
    width: 28px; /* Larger close button */
    height: 28px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.9rem;
    cursor: pointer;
}

/* Floating Blog Button */
.floating-blog-btn {
    position: fixed;
    bottom: 30px; /* Higher position */
    right: 30px; /* Further from edge */
    width: 65px; /* Larger button */
    height: 65px;
    background: linear-gradient(135deg, var(--cyan), var(--accent));
    border-radius: 50%;
    box-shadow: 0 0 25px rgba(0, 245, 212, 0.5); /* Stronger shadow */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s;
    animation: floatBtn 3s ease-in-out infinite;
}

.floating-blog-btn:hover {
    transform: scale(1.1) rotate(8deg); /* More pronounced hover */
    box-shadow: 0 0 35px rgba(168, 85, 247, 0.7);
}

.floating-blog-btn::after {
    content: "칼럼";
    position: absolute;
    bottom: -25px; /* Adjust position */
    color: var(--txt);
    font-size: 0.8rem; /* Slightly larger */
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
    background: rgba(0, 0, 0, 0.7);
    padding: 3px 8px; /* Increased padding */
    border-radius: 5px;
}

.floating-blog-btn span {
    font-size: 2rem; /* Larger icon */
}

@keyframes floatBtn {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px); /* More pronounced float */
    }
}

/* Responsive adjustments for new layout */
@media (max-width: 768px) {
    #main-layout {
        flex-direction: column;
        gap: 20px; /* Adjust gap for vertical stacking */
        padding: 20px 10px;
    }

    #main-content {
        padding: 0;
    }

    .wrap {
        padding-bottom: 0; /* No extra padding at bottom in single column */
    }
    
    .card {
        margin-bottom: 12px; /* Smaller margin for mobile */
    }

    .mbti-res-card, .q-card {
        padding: 20px; /* Adjust padding for mobile modals */
    }

    .floating-blog-btn {
        bottom: 15px;
        right: 15px;
        width: 55px;
        height: 55px;
    }

    .floating-blog-btn span {
        font-size: 1.6rem;
    }

    .floating-blog-btn::after {
        font-size: 0.7rem;
        bottom: -20px;
    }
}
/* --- Card Selection Modal --- */
#card-modal-content {
    perspective: 1500px;
}

#card-container {
    display: flex;
    gap: 30px;
}

.card-item {
    width: 150px;
    height: 220px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(100px);
}
.card-item.popped {
    animation: card-popup 0.5s forwards;
}

@keyframes card-popup {
    from {
        transform: translateY(100px) scale(0.8);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.card-item.flipped .card-inner {
    transform: rotateY(180deg);
}

.card-back, .card-front {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden; /* Safari */
    backface-visibility: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    background-size: cover;
    background-position: center;
}

.card-back {
    /* 이미지가 없을 경우를 대비한 기본 스타일 */
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    border: 1px solid rgba(255,255,255,0.3);
    /* background-image: url('images/Saju_BackCard.png'); */
}

.card-front {
    /* 이미지가 없을 경우를 대비한 기본 스타일 */
    background: linear-gradient(135deg, var(--yellow), var(--pink));
    transform: rotateY(180deg);
    /* background-image: url('images/Saju_FrontCard.png'); */
}