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

:root {
    --primary-gradient: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    --secondary-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --dark-gradient: linear-gradient(135deg, #1a237e 0%, #283593 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-primary: #1a237e;
    --text-secondary: #5c6bc0;
    --shadow-soft: 0 8px 32px rgba(30, 60, 114, 0.1);
    --shadow-hover: 0 20px 40px rgba(30, 60, 114, 0.15);
    --border-radius: 20px;
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --blue-light: #e3f2fd;
    --blue-medium: #2196f3;
    --blue-dark: #1976d2;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    overflow-x: hidden;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 네비게이션 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.nav-logo a:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(102, 126, 234, 0.5));
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: 8px 16px;
    border-radius: 25px;
    background: transparent;
}

.nav-link:hover {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    border-radius: 25px;
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.nav-link:hover::before {
    opacity: 0.1;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 히어로 섹션 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--primary-gradient);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(30, 60, 114, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(42, 82, 152, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(79, 172, 254, 0.2) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    animation: titleGlow 3s ease-in-out infinite alternate;
}

.highlight {
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--secondary-gradient);
    border-radius: 2px;
    animation: underlineGlow 2s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    0% { filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.3)); }
    100% { filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.6)); }
}

@keyframes underlineGlow {
    0% { box-shadow: 0 0 5px rgba(79, 172, 254, 0.5); }
    100% { box-shadow: 0 0 15px rgba(79, 172, 254, 0.8); }
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 16px 32px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    display: inline-block;
    text-align: center;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--secondary-gradient);
    color: white;
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(79, 172, 254, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(255, 255, 255, 0.2);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: slideInRight 1s ease-out;
}

.profile-card {
    width: 350px;
    height: 350px;
    background: var(--glass-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 3px solid var(--glass-border);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    animation: profileFloat 4s ease-in-out infinite;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: var(--accent-gradient);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.profile-card:hover::before {
    opacity: 1;
    animation: rotate 2s linear infinite;
}

.profile-image {
    font-size: 7rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(79, 172, 254, 0.3));
}

@keyframes profileFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 섹션 공통 스타일 */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #2c3e50;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background: #3498db;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

/* 소개 섹션 */
.about {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(30,60,114,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23dots)"/></svg>');
    opacity: 0.5;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.about-text p {
    margin-bottom: 1rem;
    color: #666;
    line-height: 1.8;
    white-space: pre-wrap;
}

.skills h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.skill-item:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-hover);
}

.skill-item:hover::before {
    opacity: 0.1;
}

.skill-item i {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

.skill-item:hover i {
    transform: scale(1.2) rotate(5deg);
    filter: drop-shadow(0 0 10px rgba(102, 126, 234, 0.3));
}

.skill-item span {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

/* 경력 섹션 */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #3498db;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 2rem;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 2rem;
}

.timeline-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-soft);
    position: relative;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 0;
    height: 0;
    border: 10px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -20px;
    border-left-color: white;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -20px;
    border-right-color: white;
}

.timeline-content h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: #3498db;
    margin-bottom: 0.5rem;
}

.timeline-content .date {
    color: #f39c12;
    font-weight: 500;
    margin-bottom: 1rem;
    display: block;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

/* 프로젝트 섹션 */
.projects {
    background: linear-gradient(135deg, #bbdefb 0%, #e3f2fd 100%);
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="hexagons" width="30" height="26" patternUnits="userSpaceOnUse"><polygon points="15,2 25,8 25,18 15,24 5,18 5,8" fill="none" stroke="rgba(30,60,114,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23hexagons)"/></svg>');
    opacity: 0.3;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.project-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.project-card:hover::before {
    opacity: 0.05;
}

.project-image {
    height: 220px;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3.5rem;
    position: relative;
    overflow: hidden;
}

.project-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.project-content p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tech span {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.project-tech span:hover {
    background: var(--accent-gradient);
    color: white;
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(79, 172, 254, 0.3);
}

.project-links {
    display: flex;
    gap: 1rem;
}

/* 연락처 섹션 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.contact-info p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-methods {
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: #333;
}

.contact-method i {
    width: 20px;
    margin-right: 1rem;
    color: #3498db;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 25px rgba(79, 172, 254, 0.3);
    color: white;
}

.social-link:hover::before {
    opacity: 1;
}

.contact-form {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    border: 2px solid var(--glass-border);
    border-radius: 15px;
    font-family: inherit;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(79, 172, 254, 0.5);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 20px rgba(79, 172, 254, 0.2);
    transform: translateY(-2px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.8;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 푸터 */
.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* 애니메이션 */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu a {
        padding: 1rem;
        display: block;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 3rem;
        padding-right: 0;
    }
    
    .timeline-content::before {
        left: -20px !important;
        border-right-color: white !important;
        border-left-color: transparent !important;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-card {
        width: 250px;
        height: 250px;
    }
    
    .profile-image {
        font-size: 4rem;
    }
    
    .timeline-item {
        padding-left: 2.5rem;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-content::before {
        left: -15px !important;
    }
}

/* 스크롤 애니메이션 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 부드러운 스크롤 */
html {
    scroll-behavior: smooth;
}

/* 프로젝트 모달 */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
    position: relative;
    animation: slideIn 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.modal-title {
    font-size: 2rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.close {
    color: var(--text-secondary);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.close:hover {
    color: var(--text-primary);
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    margin-bottom: 2rem;
}

.modal-image {
    width: 100%;
    height: 300px;
    background: var(--primary-gradient);
    border-radius: 15px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.modal-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.modal-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.modal-tech span {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid var(--glass-border);
}

.modal-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* 관리자 모드 */
/* .admin-panel { */
/*     position: fixed; */
/*     top: 20px; */
/*     left: 20px; */
/*     z-index: 9999; */
/*     background: var(--glass-bg); */
/*     backdrop-filter: blur(20px); */
/*     -webkit-backdrop-filter: blur(20px); */
/*     border: 1px solid var(--glass-border); */
/*     border-radius: var(--border-radius); */
/*     padding: 1rem; */
/*     box-shadow: var(--shadow-soft); */
/*     transition: var(--transition); */
/* } */

/* .admin-toggle { */
/*     background: var(--secondary-gradient); */
/*     color: white; */
/*     border: none; */
/*     padding: 0.8rem 1.5rem; */
/*     border-radius: 25px; */
/*     font-weight: 600; */
/*     cursor: pointer; */
/*     transition: var(--transition); */
/*     display: flex; */
/*     align-items: center; */
/*     gap: 0.5rem; */
/* } */

/* .admin-toggle:hover { */
/*     transform: translateY(-2px); */
/*     box-shadow: 0 8px 25px rgba(79, 172, 254, 0.3); */
/* } */

/* 새로운 관리자 폼 컨테이너 스타일 */
.admin-form-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* 어두운 오버레이 */
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    /* script.js에서 display: none;으로 제어하므로 초기에는 display: none; */
}

.admin-form {
    /* 기존 스타일 유지하면서 필요한 조정 */
    margin-top: 0; /* 중앙 정렬을 위해 margin-top 제거 */
    padding: 2rem; /* 패딩 조정 */
    background: white; /* 폼 배경색 흰색으로 변경 */
    border: 1px solid rgba(0, 0, 0, 0.1); /* 테두리 조정 */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); /* 그림자 조정 */
    max-width: 500px; /* 최대 너비 설정 */
    width: 90%;
    position: relative;
    border-radius: var(--border-radius); /* 추가 */
    backdrop-filter: blur(20px); /* 추가 */
    -webkit-backdrop-filter: blur(20px); /* 추가 */
    overflow-y: auto;
    overflow-x: auto;
    max-height: 80vh;
}

.admin-form input,
.admin-form textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 0.8rem;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.admin-form input:focus,
.admin-form textarea:focus {
    outline: none;
    border-color: var(--blue-medium);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 10px rgba(33, 150, 243, 0.2);
}

.admin-form button {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-right: 0.5rem;
}

.admin-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 60, 114, 0.3);
}

.admin-form button.secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

/* 관리자 링크 스타일 */
.admin-link {
    background: var(--accent-gradient);
    color: white !important;
    padding: 8px 16px;
    border-radius: 25px;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-link:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* 반응형 조정 */
@media (max-width: 768px) {
    .nav-menu .admin-link {
        margin-top: 1rem;
        width: fit-content;
        margin-left: auto;
        margin-right: auto;
    }
}

/* 애니메이션 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 관리자 탭 스타일 */
.admin-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
    flex-wrap: wrap;
}

.admin-tab-button {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 1.5rem;
    border-radius: 10px 10px 0 0;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin: 0 5px;
    font-size: 1rem;
    flex-grow: 1;
    max-width: 150px;
    text-align: center;
}

.admin-tab-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.admin-tab-button.active {
    background: var(--primary-gradient);
    color: white;
    border-color: var(--primary-gradient);
    box-shadow: 0 5px 20px rgba(30, 60, 114, 0.4);
    transform: translateY(-2px);
}

.admin-tab-content {
    display: none;
    padding: 1.5rem 0;
}

.admin-tab-content h4 {
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.admin-tab-content button {
    width: auto;
    margin-top: 1rem;
    margin-right: 1rem;
}

.admin-tab-content textarea {
    min-height: 80px;
}

@media (max-width: 768px) {
    .admin-tabs {
        flex-direction: column;
        align-items: center;
    }

    .admin-tab-button {
        width: 100%;
        max-width: 200px;
        margin-bottom: 10px;
        border-radius: 10px;
    }

    .admin-tab-button.active {
        border-radius: 10px;
    }
}

/* 최종 디자인으로 수정된 비밀번호 프롬프트 스타일 */
.password-prompt-box {
    background: rgba(30, 30, 30, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
    text-align: center;
    width: 90%;
    max-width: 400px;
}

.password-prompt-box h4 {
    font-size: 1.6rem;
    color: #FFFFFF;
    margin-bottom: 1.5rem;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.password-prompt-box input {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.25);
    color: #FFFFFF;
    font-size: 1rem;
    text-align: center;
}

.password-prompt-box input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.password-prompt-box input:focus {
    outline: none;
    border-color: #4a75e8;
    box-shadow: 0 0 15px rgba(74, 117, 232, 0.3);
}

.password-prompt-box .prompt-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.password-prompt-box button {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    background: #4a75e8;
    color: white;
    min-width: 100px;
}
.password-prompt-box button.secondary {
    background: #6c757d;
}

.password-prompt-box button:hover {
    transform: translateY(-2px);
    opacity: 0.9;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}