@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&family=Noto+Sans+KR:wght@400;700&display=swap');

:root {
    --primary-color: #0A1931;
    --secondary-color: #185ADB;
    --accent-color: #FFC947;
    --text-color: #EFEFEF;
    --bg-color: #040D21;
    --card-bg: rgba(255, 255, 255, 0.08);
}

body.light-mode {
    --primary-color: #FFFFFF;
    --secondary-color: #185ADB;
    --accent-color: #185ADB;
    --text-color: #333333;
    --bg-color: #F0F2F5;
    --card-bg: #FFFFFF;
}

body { 
    font-family: 'Poppins', 'Noto Sans KR', sans-serif; 
    background-color: var(--bg-color); 
    color: var(--text-color); 
    margin: 0; 
    padding: 0; 
    transition: all 0.3s ease; 
    line-height: 1.6;
    /* 도용 방지: 텍스트 선택 금지 */
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Modal Close Button */
.close {
    position: absolute;
    right: 25px;
    top: 15px;
    font-size: 2rem;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.2s;
}
.close:hover {
    opacity: 1;
}

/* Layout */
.page-layout { display: flex; justify-content: center; max-width: 1400px; margin: 0 auto; gap: 20px; }
.container { flex: 1; max-width: 800px; padding: 40px 20px; text-align: center; }
.side-ad { width: 160px; padding-top: 40px; }
.ads-placeholder-side { width: 160px; height: 600px; background: rgba(255,255,255,0.05); border: 1px dashed #444; display: flex; align-items: center; justify-content: center; color: #666; font-size: 0.8rem; writing-mode: vertical-rl; border-radius: 10px; position: sticky; top: 100px; }

/* Header */
header { background: var(--primary-color); padding: 1rem 20px; box-shadow: 0 4px 15px rgba(0,0,0,0.3); position: sticky; top: 0; z-index: 1000; }
.header-top { max-width: 1000px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.6rem; font-weight: 800; color: var(--accent-color); letter-spacing: -1px; }
.world-clock-container { display: flex; justify-content: center; gap: 12px; margin-top: 1rem; flex-wrap: wrap; }
.clock-item { font-size: 0.8rem; font-weight: 600; background: rgba(255,255,255,0.1); padding: 6px 12px; border-radius: 20px; border: 1px solid rgba(255,255,255,0.05); }

/* Slot Machine */
.slot-machine { background: #000; border: 6px solid var(--secondary-color); border-radius: 20px; height: 120px; display: flex; align-items: center; justify-content: center; margin: 25px 0; box-shadow: inset 0 0 20px var(--secondary-color), 0 10px 30px rgba(0,0,0,0.5); }
.slot-text { font-size: 2.5rem; font-weight: 700; color: var(--accent-color); }

/* WordCloud Section */
.wordcloud-container { width: 100%; height: 350px; background: var(--card-bg); border-radius: 25px; margin: 25px 0; overflow: hidden; border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }
#word-cloud-canvas { width: 100% !important; height: 100% !important; }

/* Guide Cards */
.info-section { margin-top: 60px; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-top: 30px; }
.info-card { padding: 30px; background: var(--card-bg); border-radius: 20px; text-align: left; transition: transform 0.3s; border: 1px solid rgba(255,255,255,0.05); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.info-card:hover { transform: translateY(-5px); }
.info-card h3 { color: var(--accent-color); margin-top: 0; font-size: 1.2rem; display: flex; align-items: center; gap: 10px; }
.info-card p { font-size: 0.95rem; opacity: 0.8; margin-bottom: 0; }

/* Text Content Section for SEO & AdSense */
.text-content-section { margin-top: 60px; text-align: left; background: var(--card-bg); padding: 40px; border-radius: 25px; border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.text-content-section h2 { color: var(--accent-color); font-size: 1.8rem; margin-bottom: 20px; }
.text-content-section p { font-size: 1.05rem; line-height: 1.8; margin-bottom: 15px; opacity: 0.9; }

/* Modal */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); }
.modal-content { background: var(--primary-color); margin: 10% auto; padding: 40px; border-radius: 25px; width: 80%; max-width: 600px; border: 1px solid var(--secondary-color); position: relative; }

/* Category Tabs Active Effect */
.tab-btn {
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
}
.tab-btn.active {
    background: var(--secondary-color) !important;
    color: white !important;
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--secondary-color);
    border-color: var(--accent-color);
    z-index: 10;
}

/* Mood Buttons Active Effect */
.mood-btn {
    transition: all 0.3s ease;
    filter: grayscale(0.5);
    opacity: 0.7;
}
.mood-btn.active {
    filter: grayscale(0);
    opacity: 1;
    transform: translateY(-8px) scale(1.1);
    background: var(--accent-color) !important;
    color: #000 !important;
    box-shadow: 0 10px 25px rgba(255, 201, 71, 0.4);
}
.mood-btn.active span {
    font-weight: 800;
}

/* Slot Machine Animation */
@keyframes slot-glow {
    0% { box-shadow: inset 0 0 20px var(--secondary-color); }
    50% { box-shadow: inset 0 0 40px var(--accent-color); }
    100% { box-shadow: inset 0 0 20px var(--secondary-color); }
}
.slot-machine.spinning {
    animation: slot-glow 0.2s infinite;
}

footer {
    margin-top: 80px;
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}
.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.6;
    transition: opacity 0.2s;
    cursor: pointer;
}
.footer-links a:hover {
    opacity: 1;
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 1100px) {
    .side-ad { display: none; }
    .page-layout { display: block; padding: 0 15px; }
    .container { max-width: 100%; padding: 20px 0; margin: 0 auto; }
}

@media (max-width: 600px) {
    header { padding: 1rem 10px; }
    .header-top { flex-direction: column; gap: 15px; text-align: center; }
    .logo { font-size: 1.4rem; }
    .controls { width: 100%; display: flex; justify-content: center; gap: 10px; }
    
    .slot-text { font-size: 1.6rem; }
    .slot-machine { height: 90px; margin: 15px 0; border-width: 4px; }
    
    .category-tabs { gap: 8px; display: grid; grid-template-columns: 1fr 1fr; }
    .mood-btns { gap: 8px; display: grid; grid-template-columns: 1fr 1fr; }
    .tab-btn, .mood-btn { padding: 10px 5px; font-size: 0.85rem; width: 100%; margin: 0; }
    
    .info-card { padding: 20px; }
    .text-content-section { padding: 20px; margin-top: 30px; }
    .text-content-section h2 { font-size: 1.3rem; }
    .text-content-section p { font-size: 0.95rem; line-height: 1.6; }

    .main-generate-btn { width: 100%; padding: 15px; font-size: 1.1rem; }
    
    .world-clock-container { gap: 5px; }
    .clock-item { font-size: 0.7rem; padding: 4px 8px; }

    .modal-content { width: 90%; padding: 25px; margin: 20% auto; }
}