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

:root {
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    min-height: 100dvh;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    padding: var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);
    overflow-x: hidden;
    touch-action: manipulation;
    transition: background 0.5s ease;
}

/* Theme-specific body backgrounds */
body.theme-romantic {
    background: 
        radial-gradient(ellipse at 30% 30%, rgba(255,107,138,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 70%, rgba(255,160,122,0.07) 0%, transparent 50%),
        linear-gradient(135deg, #1a0a10 0%, #2d0a1e 50%, #0f0a15 100%);
}

body.theme-cute {
    background: 
        radial-gradient(ellipse at 50% 30%, rgba(168,130,255,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 80%, rgba(255,182,218,0.07) 0%, transparent 50%),
        linear-gradient(135deg, #0f0a18 0%, #1a0e25 100%);
}

body.theme-retro {
    background: 
        radial-gradient(ellipse at 50% 50%, rgba(0,255,136,0.05) 0%, transparent 50%),
        #0a0a0a;
    position: relative;
}

body.theme-retro::before {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0,255,136,0.03) 2px,
        rgba(0,255,136,0.03) 4px
    );
    pointer-events: none;
    z-index: 1;
    animation: scanline 8s linear infinite;
}

@keyframes scanline {
    0% { transform: translateY(0); }
    100% { transform: translateY(100vh); }
}

.page {
    display: none;
    flex: 1;
    flex-direction: column;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.page.active {
    display: flex;
}

/* 비활성 페이지는 완전히 숨기고 공간도 차지하지 않음 */
.page:not(.active) {
    display: none !important;
    height: 0 !important;
    min-height: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: hidden !important;
}

/* CREATE PAGE */
#pg-create {
    justify-content: center;
    gap: 30px;
}

.creator-header {
    text-align: center;
    color: white;
}

.creator-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.creator-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
}

textarea {
    width: 100%;
    min-height: 150px;
    padding: 15px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

textarea:focus {
    outline: none;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.theme-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

.theme-option {
    padding: 15px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    backdrop-filter: blur(10px);
}

.theme-option:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.theme-option.selected {
    border-color: white;
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.theme-option .emoji {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
}

.theme-option .name {
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-primary {
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

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

/* PREVIEW PAGE */
#pg-preview {
    gap: 20px;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.btn-secondary {
    padding: 10px 20px;
    border: 2px solid white;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.preview-container {
    flex: 1;
    background: transparent;
    border-radius: 0;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    box-shadow: none;
    min-height: 400px;
    position: relative;
    z-index: 2;
}

.preview-message {
    font-size: 1.5rem;
    text-align: center;
    line-height: 1.6;
    word-wrap: break-word;
    max-width: 100%;
    white-space: pre-wrap; /* ✨ 줄바꿈을 유지해 주는 마법의 한 줄! */
}

/* Yes/No 버튼 스타일 (Viewer 페이지 전용) */
.btn-yes, .btn-no {
    padding: 16px 40px;
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    min-width: 120px;
}

.btn-yes {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.4);
}

.btn-no {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(250, 112, 154, 0.4);
}

/* 화면 1에서 Yes/No 버튼 완전히 숨김 */
#pg-create .btn-yes,
#pg-create .btn-no,
#pg-create button.btn-yes,
#pg-create button.btn-no,
#pg-create * .btn-yes,
#pg-create * .btn-no {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    position: absolute !important;
    left: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    line-height: 0 !important;
    font-size: 0 !important;
}

/* 화면 1에서 viewer-buttons 컨테이너도 숨김 (높이 제거) */
#pg-create .viewer-buttons {
    display: none !important;
    height: 0 !important;
    min-height: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    gap: 0 !important;
}

/* 프리뷰 페이지 버튼 스타일 */
.preview-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 20px;
}

.preview-buttons .btn-yes:disabled,
.preview-buttons .btn-no:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.copy-link-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 15px;
    backdrop-filter: blur(10px);
}

.copy-link-section p {
    color: white;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.copy-link-input {
    display: flex;
    gap: 10px;
}

.copy-link-input input {
    flex: 1;
    padding: 10px 15px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.95);
}

.btn-copy {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    background: white;
    color: #667eea;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-copy:hover {
    transform: scale(1.05);
}

.btn-copy.copied {
    background: #4caf50;
    color: white;
}

/* VIEWER PAGE */
#pg-view {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    min-height: 100dvh;
    width: 100%;
    position: relative;
    overflow: hidden;
    gap: 30px;
}

.viewer-container {
    background: transparent;
    border-radius: 0;
    padding: 20px;
    width: 100%;
    max-width: 640px;
    min-height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: 0 auto;
    gap: 30px;
    box-shadow: none;
    z-index: 2;
    position: relative;
    overflow: visible;
}

.viewer-message {
    font-size: 1.5rem;
    text-align: center;
    line-height: 1.6;
    word-wrap: break-word;
    max-width: 100%;
    width: 100%;
    z-index: 2;
    white-space: pre-wrap; /* ✨ 여기도 추가해 주세요! */
}


.viewer-buttons .btn-yes {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-create-mine {
    position: fixed;
    top: 70px;
    right: 20px;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    z-index: 1001;
}

.btn-create-mine:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.btn-create-mine:active {
    transform: translateY(0);
}

/* 모바일에서 언어 스위처와 겹치지 않도록 */
@media (max-width: 600px) {
    .btn-create-mine {
        top: 60px;
        right: 10px;
        padding: 8px 16px;
        font-size: 0.75rem;
    }
    
    #pg-view .lang-switcher {
        top: 10px;
        right: 10px;
    }
}

.viewer-buttons {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 2;
}

.viewer-buttons .btn-no {
    position: relative;
    transition: 
        left 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        top 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.3s ease,
        opacity 0.3s ease;
}

#noBtn {
    transition: 
        left 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        top 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.3s ease,
        opacity 0.3s ease;
}


/* Canvas for fireworks */
#fireworks-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10000;
}

/* Language Switcher */
.lang-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    z-index: 1000;
    padding: var(--safe-top) var(--safe-right) 0 0;
}

.lang-btn {
    padding: 8px 12px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lang-btn.active {
    border-color: white;
    background: rgba(255, 255, 255, 0.3);
}

/* Floating elements */
.floating-elements {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.floating-elements span {
    position: absolute;
    opacity: 0;
    animation: float-up linear infinite;
    user-select: none;
}

@keyframes float-up {
    0%   { transform: translateY(110vh) rotate(0deg); opacity: 0; }
    10%  { opacity: 0.15; }
    90%  { opacity: 0.15; }
    100% { transform: translateY(-10vh) rotate(360deg); opacity: 0; }
}

/* Theme-specific styles */
.theme-romantic {
    font-family: 'Playfair Display', serif;
}

.theme-romantic .viewer-message,
.theme-romantic .preview-message {
    color: transparent;
    background: linear-gradient(135deg, #ff6b8a, #ffa07a);
    -webkit-background-clip: text;
    background-clip: text;
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
}

.theme-romantic .btn-yes {
    background: linear-gradient(135deg, #ff6b8a, #ff8fab);
    box-shadow: 0 4px 20px rgba(255,107,138,0.5);
}

.theme-romantic .btn-no {
    background: rgba(128, 128, 128, 0.3);
    border: 2px solid rgba(255,182,193,0.5);
    color: rgba(255,255,255,0.8);
}

.theme-cute {
    font-family: 'Caveat', cursive;
}

.theme-cute .viewer-message,
.theme-cute .preview-message {
    color: #e8d5ff;
    font-family: 'Caveat', cursive;
    font-size: 2.2rem;
    font-weight: 700;
}

.theme-cute .btn-yes {
    background: linear-gradient(135deg, #a882ff, #ffb6da);
    box-shadow: 0 4px 20px rgba(168,130,255,0.5);
}

.theme-cute .btn-no {
    background: rgba(128, 128, 128, 0.3);
    border: 2px solid rgba(232,213,255,0.5);
    color: rgba(255,255,255,0.8);
}

.theme-retro {
    font-family: 'Press Start 2P', monospace;
}

.theme-retro .viewer-message,
.theme-retro .preview-message {
    color: #00ff88;
    font-family: 'Press Start 2P', monospace;
    font-size: 1.1rem;
    text-shadow: 0 0 20px rgba(0,255,136,0.4), 0 0 40px rgba(0,255,136,0.2);
    line-height: 2;
}

.theme-retro .btn-yes {
    background: #00ff88;
    color: #000;
    border-radius: 4px;
    box-shadow: 0 0 20px rgba(0,255,136,0.6);
    font-family: 'Press Start 2P', monospace;
    font-size: 0.9rem;
}

.theme-retro .btn-no {
    background: rgba(0,0,0,0.3);
    border: 2px solid rgba(0,255,136,0.5);
    color: rgba(0,255,136,0.8);
    font-family: 'Press Start 2P', monospace;
    font-size: 0.9rem;
    border-radius: 4px;
}

/* Mobile optimizations */
@media (max-width: 600px) {
    .creator-header h1 {
        font-size: 2rem;
    }

    .preview-message,
    .viewer-message {
        font-size: 1.2rem;
    }

    .btn-yes, .btn-no {
        padding: 14px 30px;
        font-size: 1rem;
    }

    .lang-switcher {
        top: 10px;
        right: 10px;
        flex-wrap: wrap;
    }

    .lang-btn {
        padding: 6px 10px;
        font-size: 0.75rem;
    }
    
    .viewer-container {
        padding: 20px;
    }
    
    .viewer-buttons {
        gap: 12px;
    }
    
    .btn-create-mine {
        padding: 10px 20px;
        font-size: 0.85rem;
        margin-bottom: 15px;
    }
}

@media (max-width: 400px) {
    .viewer-buttons {
        gap: 12px;
    }
    
    .btn-yes, .btn-no {
        padding: 14px 28px;
        font-size: 1rem;
    }
    
    .btn-create-mine {
        padding: 10px 18px;
        font-size: 0.8rem;
        margin-bottom: 12px;
    }
}

/* Flash animation */
@keyframes flashFade {
    0%   { opacity: 1; }
    100% { opacity: 0; }
}

@keyframes successFade {
    0%   { opacity: 0; transform: scale(0.8); }
    20%  { opacity: 1; transform: scale(1.1); }
    80%  { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(0.9); }
}

/* Font imports */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&family=Caveat:wght@400;700&family=Press+Start+2P&display=swap');

/* ===== BLOG STYLES ===== */
.blog-container {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    padding: 20px;
    background: #ffffff;
    min-height: 100vh;
}

.blog-header {
    text-align: center;
    padding: 40px 20px;
    border-bottom: 2px solid #e0e0e0;
    margin-bottom: 40px;
}

.blog-header h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 10px;
}

.blog-header p {
    font-size: 1.1rem;
    color: #666;
}

.blog-nav {
    text-align: center;
    margin-bottom: 30px;
}

.blog-nav a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    margin: 0 10px;
}

.blog-nav a:hover {
    text-decoration: underline;
}

.blog-list {
    list-style: none;
    padding: 0;
}

.blog-list-item {
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #fafafa;
    transition: box-shadow 0.3s;
}

.blog-list-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.blog-list-item h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.blog-list-item h2 a {
    color: #333;
    text-decoration: none;
}

.blog-list-item h2 a:hover {
    color: #667eea;
}

.blog-list-item .meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.blog-list-item .excerpt {
    color: #555;
    line-height: 1.6;
}

/* Blog Post Styles */
.blog-post {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    padding: 20px;
    background: #ffffff;
    min-height: 100vh;
}

.blog-post-header {
    text-align: center;
    padding: 40px 20px;
    border-bottom: 2px solid #e0e0e0;
    margin-bottom: 40px;
}

.blog-post-header h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.3;
}

.blog-post-header .meta {
    color: #666;
    font-size: 1rem;
}

.blog-post-content {
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    margin-bottom: 40px;
}

.blog-post-content h2 {
    font-size: 1.8rem;
    color: #333;
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
}

.blog-post-content h3 {
    font-size: 1.4rem;
    color: #444;
    margin-top: 30px;
    margin-bottom: 15px;
}

.blog-post-content p {
    margin-bottom: 20px;
}

.blog-post-content ul,
.blog-post-content ol {
    margin-bottom: 20px;
    padding-left: 30px;
}

.blog-post-content li {
    margin-bottom: 10px;
}

.blog-post-content a {
    color: #667eea;
    text-decoration: none;
}

.blog-post-content a:hover {
    text-decoration: underline;
}

.blog-post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
}

.blog-post-content blockquote {
    border-left: 4px solid #667eea;
    padding-left: 20px;
    margin: 20px 0;
    color: #666;
    font-style: italic;
}

.blog-post-footer {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 2px solid #e0e0e0;
    text-align: center;
}

.blog-post-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.blog-post-footer a:hover {
    text-decoration: underline;
}

/* GEO Optimization Styles */
.geo-summary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 12px;
    margin: 30px 0;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.geo-summary h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 15px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 10px;
}

.geo-summary ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.geo-summary li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
}

.geo-summary li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
    font-size: 1.2rem;
}

.stat-highlight {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 12px 15px;
    margin: 15px 0;
    border-radius: 4px;
    font-weight: 600;
    color: #856404;
}

.citation {
    font-size: 0.9rem;
    color: #666;
    margin-top: 5px;
    font-style: italic;
}

.citation a {
    color: #667eea;
    text-decoration: none;
}

.citation a:hover {
    text-decoration: underline;
}

.expert-profile {
    background: #f8f9fa;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 30px;
    margin: 40px 0;
}

.expert-profile h3 {
    color: #333;
    font-size: 1.5rem;
    margin-bottom: 15px;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.expert-profile .expert-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 10px;
}

.expert-profile .expert-title {
    color: #666;
    font-size: 1rem;
    margin-bottom: 15px;
}

.expert-profile .expert-bio {
    color: #555;
    line-height: 1.7;
    margin-bottom: 15px;
}

.expert-profile .expert-credentials {
    background: white;
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
}

.expert-profile .expert-credentials h4 {
    font-size: 1rem;
    color: #333;
    margin-bottom: 10px;
}

.expert-profile .expert-credentials ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.expert-profile .expert-credentials li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
    color: #666;
}

.expert-profile .expert-credentials li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* Ad Slots */
.ad-slot {
    width: 100%;
    min-height: 250px;
    margin: 30px 0;
    background: #f5f5f5;
    border: 1px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 0.9rem;
}

.ad-slot::before {
    content: "광고 영역 (AdSense 코드 삽입)";
}

/* Mobile Optimization for Blog */
@media (max-width: 600px) {
    .blog-container,
    .blog-post {
        padding: 15px;
    }
    
    .blog-header h1,
    .blog-post-header h1 {
        font-size: 2rem;
    }
    
    .blog-post-content {
        font-size: 16px;
    }
    
    .blog-post-content h2 {
        font-size: 1.5rem;
    }
    
    .blog-post-content h3 {
        font-size: 1.2rem;
    }
}

/* Usage Guide (화면 1 전용) */
.usage-guide {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    margin-top: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    text-align: left;
}

.guide-intro {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.guide-steps {
    list-style-position: inside;
    padding-left: 5px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.guide-steps li {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.4;
}