:root {
    /* Welthungerhilfe tarzı renk paleti */
    --primary-green: #00853e;
    --secondary-green: #006837;
    --wheat-gold: #d4a537;
    --light-wheat: #f5e6c3;
    --cream: #faf8f3;
    --white: #ffffff;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --light-gray: #f0f0f0;
    --border-gray: #e0e0e0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

/* Navigation - Welthungerhilfe Style */
.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border-gray);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: '🌾';
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    cursor: pointer;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-green);
}

/* Hero - Clean and Professional */
.hero {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    padding: 6rem 2rem 4rem;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    color: var(--white);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.hero p {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    max-width: 700px;
    margin: 0 auto 3rem;
    opacity: 0.95;
    font-weight: 400;
}

.hero-image {
    max-width: 1000px;
    margin: 3rem auto 0;
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

/* Sections */
section {
    padding: 5rem 2rem;
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 3rem;
    text-align: center;
    color: var(--primary-green);
    font-weight: 700;
}

/* Mission & Vision - Side by Side Boxes */
.mission-vision {
    background: var(--cream);
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.box {
    background: var(--white);
    padding: 3rem;
    border-radius: 4px;
    border: 1px solid var(--border-gray);
    transition: box-shadow 0.3s ease;
}

.box:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.box h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary-green);
    font-weight: 700;
}

.box p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-dark);
}

/* Stats Section */
.stats-section {
    background: var(--primary-green);
    color: var(--white);
    text-align: center;
}

.stats-section .section-title {
    color: var(--white);
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 4rem 3rem;
    border-radius: 4px;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--wheat-gold);
    margin-bottom: 1rem;
    display: block;
}

.stat-card p {
    font-size: 1.3rem;
    line-height: 1.6;
}

/* Blog Cards */
.blog-preview {
    background: var(--white);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.blog-card {
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.blog-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}

.blog-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-green);
    font-weight: 700;
    padding: 2rem 2rem 0;
}

.blog-content {
    padding: 0 2rem 2rem;
}

.blog-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-gray);
}

.blog-topics {
    padding: 0 2rem 1rem;
}

.topic-item {
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: 4px;
    margin-bottom: 1rem;
}

.topic-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--text-dark);
    font-weight: 600;
}

.topic-image {
    background: var(--border-gray);
    padding: 1.5rem;
    border-radius: 4px;
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
}

.topic-item p {
    font-size: 0.9rem;
    color: var(--primary-green);
    font-weight: 600;
}

.read-more {
    display: inline-block;
    color: var(--primary-green);
    font-weight: 600;
    text-decoration: none;
    padding: 1rem 2rem 2rem;
    transition: color 0.2s ease;
    font-size: 0.95rem;
}

.read-more:hover {
    color: var(--secondary-green);
}

/* Page Header */
.page-header {
    background: var(--primary-green);
    padding: 4rem 2rem;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Blog Page */
.blog-container {
    padding: 4rem 2rem;
}

.blog-article {
    background: var(--white);
    padding: 3rem;
    border: 1px solid var(--border-gray);
    border-radius: 4px;
    margin-bottom: 3rem;
}

.blog-article h2 {
    font-size: 2.2rem;
    color: var(--primary-green);
    margin-bottom: 2rem;
    font-weight: 700;
}

.article-image {
    margin: 2rem 0;
}

.article-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 4px;
}

.article-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.causes-grid-blog,
.action-cards-blog {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.cause-blog-card,
.action-blog-card {
    background: var(--cream);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid var(--border-gray);
    transition: box-shadow 0.3s ease;
}

.cause-blog-card:hover,
.action-blog-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.cause-blog-card h3,
.action-blog-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: var(--primary-green);
    font-weight: 700;
}

.cause-blog-card p,
.action-blog-card p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.cause-blog-card img,
.action-blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.continue-reading {
    color: var(--primary-green);
    font-weight: 600;
    font-style: italic;
    font-size: 0.95rem;
}

/* Game Page */
.game-section {
    padding: 4rem 2rem;
}

.game-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.game-intro h2 {
    font-size: 2.2rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
    font-weight: 700;
}

.game-intro p {
    font-size: 1.1rem;
    color: var(--text-gray);
}

.game-container {
    background: var(--cream);
    border-radius: 4px;
    padding: 4rem;
    border: 1px solid var(--border-gray);
    margin-bottom: 3rem;
}

.game-placeholder {
    text-align: center;
    padding: 3rem;
}

.game-icon {
    font-size: 5rem;
    margin-bottom: 1.5rem;
}

.game-placeholder h3 {
    font-size: 2rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
    font-weight: 700;
}

.game-placeholder p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.game-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    border: 1px solid var(--border-gray);
}

.game-info h3 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-green);
    font-weight: 700;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.info-card {
    background: var(--cream);
    padding: 2.5rem;
    border-radius: 4px;
    text-align: center;
    border: 1px solid var(--border-gray);
}

.info-number {
    width: 50px;
    height: 50px;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.info-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-green);
    font-weight: 700;
}

.info-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-gray);
}

/* Donation Page */
.donation-section {
    padding: 4rem 2rem;
}

.donation-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.donation-intro h2 {
    font-size: 2.2rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
    font-weight: 700;
}

.donation-intro p {
    font-size: 1.1rem;
    color: var(--text-gray);
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.impact-card {
    background: var(--primary-green);
    color: var(--white);
    padding: 2.5rem;
    border-radius: 4px;
    text-align: center;
}

.impact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.impact-card h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.impact-card p {
    font-size: 1rem;
}

.donation-form-container {
    background: var(--cream);
    padding: 3rem;
    border-radius: 4px;
    max-width: 700px;
    margin: 0 auto 4rem;
    border: 1px solid var(--border-gray);
}

.donation-form-container h3 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-green);
    font-weight: 700;
}

.donation-amounts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.amount-btn {
    background: var(--white);
    border: 2px solid var(--border-gray);
    padding: 1.2rem;
    border-radius: 4px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.amount-btn:hover,
.amount-btn.active {
    background: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
}

.custom-amount {
    margin-bottom: 2rem;
}

.custom-amount label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.custom-amount input {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    border: 2px solid var(--border-gray);
    border-radius: 4px;
    transition: border-color 0.2s ease;
}

.custom-amount input:focus {
    outline: none;
    border-color: var(--primary-green);
}

.donation-options {
    margin-bottom: 2rem;
}

.donation-options h4 {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 600;
}

.option-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.option-btn {
    background: var(--white);
    border: 2px solid var(--border-gray);
    padding: 1rem;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.option-btn:hover,
.option-btn.active {
    background: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
}

.donate-btn {
    width: 100%;
    background: var(--primary-green);
    color: var(--white);
    border: none;
    padding: 1.2rem;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s ease;
    margin-bottom: 1rem;
}

.donate-btn:hover {
    background: var(--secondary-green);
}

.secure-info {
    text-align: center;
    color: var(--text-gray);
    font-size: 0.9rem;
}

.partner-organizations,
.other-ways {
    margin-bottom: 3rem;
}

.partner-organizations h3,
.other-ways h3 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--primary-green);
    font-weight: 700;
}

.partner-organizations p {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.05rem;
    color: var(--text-gray);
}

.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.partner-card {
    background: var(--cream);
    padding: 2rem;
    border-radius: 4px;
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid var(--border-gray);
}

.ways-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.way-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-gray);
    text-align: center;
    transition: box-shadow 0.3s ease;
}

.way-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.way-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-green);
    font-weight: 700;
}

.way-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-gray);
}

/* Footer */
footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 2rem;
    text-align: center;
    border-top: 4px solid var(--primary-green);
}

footer p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1.5rem;
    }

    .nav-menu a {
        font-size: 0.9rem;
    }

    .two-column {
        grid-template-columns: 1fr;
    }

    .blog-grid,
    .causes-grid-blog,
    .action-cards-blog {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .donation-amounts {
        grid-template-columns: repeat(2, 1fr);
    }

    section {
        padding: 3rem 1.5rem;
    }
}
/* Carousel Styles */
.stats-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 60px;
}

.stats-track {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.stat-card {
    position: absolute;
    width: 100%;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.5s ease-in-out;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 4rem 3rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.stat-card.active {
    opacity: 1;
    transform: translateX(0);
    position: relative;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
    left: 0;
}

.carousel-btn.next {
    right: 0;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active,
.dot:hover {
    background: var(--wheat-gold);
    transform: scale(1.2);
}

/* Hero image update */
.hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin: 0 auto;
    display: block;
    border-radius: 8px;
}

/* Topic links */
.topic-item a {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 600;
}

.topic-item a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .stats-carousel {
        padding: 0 50px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    
    .stat-card {
        padding: 3rem 2rem;
    }
}

/* Tema Seçici Stilleri */
.theme-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
}

.theme-button {
    background: var(--primary-green);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0,0,0,0.3);
}

.theme-panel {
    position: absolute;
    top: 60px;
    right: 0;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    padding: 1rem;
    min-width: 250px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.theme-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-panel h3 {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    color: var(--text-dark);
    border-bottom: 2px solid var(--primary-green);
    padding-bottom: 0.5rem;
}

.theme-option {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.theme-option:hover {
    background: var(--cream);
    transform: translateX(5px);
}

.theme-option.active {
    border-color: var(--primary-green);
    background: var(--light-wheat);
}

.theme-color-preview {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    margin-right: 0.75rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    flex-shrink: 0;
}

.theme-option-name {
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
}

.theme-option.active .theme-option-name {
    font-weight: 700;
}

/* Mobil için tema seçici */
@media (max-width: 768px) {
    .theme-selector {
        top: 10px;
        right: 10px;
    }

    .theme-button {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    .theme-panel {
        right: -10px;
        min-width: 220px;
    }
}

/* Tema geçiş animasyonu */
:root {
    transition: all 0.3s ease;
}

/* Tema Switcher Stilleri */
#theme-button {
    position: fixed;
    top: 90px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-green);
    color: white;
    border: 3px solid white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 9999;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

#theme-button:hover {
    transform: scale(1.1) rotate(20deg);
    box-shadow: 0 6px 16px rgba(0,0,0,0.3);
}

#theme-switcher {
    position: fixed;
    top: 150px;
    right: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    padding: 1.5rem;
    min-width: 280px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 9998;
}

#theme-switcher.open {
    max-height: 600px;
    opacity: 1;
    transform: translateY(0);
}

.theme-switcher-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--wheat-gold);
    padding-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.theme-option:hover {
    background: var(--cream);
    transform: translateX(5px);
}

.theme-option.active {
    background: var(--light-wheat);
    border-color: var(--primary-green);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.theme-preview {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.theme-preview-half {
    flex: 1;
}

.theme-preview-half:first-child {
    border-radius: 8px 0 0 8px;
}

.theme-preview-half:last-child {
    border-radius: 0 8px 8px 0;
}

.theme-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.theme-option.active .theme-name {
    font-weight: 700;
}

.theme-check {
    margin-left: auto;
    font-size: 1.2rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.theme-option.active .theme-check {
    opacity: 1;
}

/* Mobil için */
@media (max-width: 768px) {
    #theme-button {
        top: 70px;
        right: 10px;
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    #theme-switcher {
        top: 125px;
        right: 10px;
        min-width: 250px;
        padding: 1rem;
    }

    .theme-switcher-title {
        font-size: 1rem;
    }

    .theme-preview {
        width: 35px;
        height: 35px;
    }
}

/* Smooth tema geçişi */
:root {
    transition: all 0.3s ease;
}