.navbar {
    background: hsla(0, 0%, 100%, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    height: 80px;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: .5rem 1rem;
    justify-content: space-between;
}
.logo,
.nav-container {
    display: flex;
    align-items: center;
}
.logo {
    gap: 5px;
    font-size: 1rem;
    font-weight: 700;
    color: #764ba2;
}
.logo span {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}
.nav-item {
    position: relative;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}
.nav-link:hover {
    background: #f0f0f0;
    color: #764ba2;
}
.nav-link.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
}
.nav-link i {
    font-size: 1.2rem;
}
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}
.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #764ba2;
    margin: 2px 0;
    transition: 0.3s;
}
.main-content {
    max-width: 1200px;
    margin: 100px auto 2rem;
    padding: 0 2rem;
}
.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: hsla(0, 0%, 100%, 0.9);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
    backdrop-filter: blur(10px);
}
.hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}
.hero p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}
.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    cursor: pointer;
}
.feature-card:hover {
    transform: translateY(-10px);
}
.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}
.feature-card h3 {
    color: #764ba2;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}
.feature-card p {
    color: #666;
    font-size: 0.95rem;
}
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    text-align: center;
}
.stat-item {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}
.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
    }
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    .nav-item {
        width: 100%;
    }
    .nav-link {
        padding: 1rem 2rem;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
}
.user-info {
    gap: 15px;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 2px solid #e0e0e0;
}
.user-avatar,
.user-info {
    display: flex;
    align-items: center;
}
.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    justify-content: center;
    color: #fff;
    font-weight: 700;
}
.user-name {
    font-weight: 500;
    color: #333;
}
@media (max-width: 768px) {
    .user-info {
        display: none;
    }
}
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: hsla(0, 0%, 100%, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}
.loading-overlay.active {
    display: flex;
}
.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top-color: #764ba2;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(1turn);
    }
}
.footer {
    text-align: center;
    margin-top: 4rem;
    padding: 2rem;
    color: #fff;
    opacity: 0.9;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family:
        Segoe UI,
        Tahoma,
        Geneva,
        Verdana,
        sans-serif;
}
body {
    background: linear-gradient(135deg, #667eea, #764ba2);
    min-height: 100vh;
    padding-top: 20px;
    text-align: center;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    background: hsla(0, 0%, 100%, 0.95);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 2.5em;
}
h2 {
    color: #555;
    margin-bottom: 15px;
    /*display: flex;*/
    align-items: center;
    gap: 10px;
}
.carousel-container {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.05);
}
.carousel {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}
.carousel-items {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 10px 5px;
    scrollbar-width: thin;
    scrollbar-color: #764ba2 #f0f0f0;
    flex: 1;
}
.carousel-items::-webkit-scrollbar {
    height: 8px;
}
.carousel-items::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-radius: 10px;
}
.carousel-items::-webkit-scrollbar-thumb {
    background: #764ba2;
    border-radius: 10px;
}
.cromo-card {
    min-width: 120px;
    height: 160px;
    background: #fff;
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    position: relative;
    user-select: none;
}
.cromo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}
.cromo-card.selected {
    border-color: #4caf50;
    background: #f0f9f0;
}
.cromo-card.selected:after {
    content: "✓";
    position: absolute;
    top: 5px;
    right: 5px;
    color: #4caf50;
    font-weight: 700;
    font-size: 1.2em;
}
.cromo-card.troca {
    border-color: #ff6b6b;
    background: #fff0f0;
}
.cromo-card.troca:after {
    content: "🔄";
    position: absolute;
    top: 5px;
    right: 5px;
    color: #ff6b6b;
    font-size: 1.2em;
}
.cromo-number {
    font-size: 1em;
    font-weight: 700;
    color: #764ba2;
    margin-bottom: 5px;
}
.cromo-name {
    font-size: 0.9em;
    text-align: center;
    color: #666;
    font-weight: 500;
}
.cromo-rarity {
    font-size: 0.8em;
    margin-top: 5px;
    padding: 2px 8px;
    border-radius: 12px;
    background: #f0f0f0;
}
.nav-button {
    background: #764ba2;
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}
.nav-button:hover {
    background: #667eea;
    transform: scale(1.1);
}
.nav-button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}
.troca-section {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    border-radius: 15px;
    padding: 25px;
    margin-top: 30px;
    color: #fff;
}
.troca-title {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.5em;
}
.troca-cromos {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}
.troca-item {
    background: #fff;
    border-radius: 12px;
    padding: 15px;
    min-width: 140px;
    text-align: center;
    color: #333;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}
.troca-label {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 5px;
}
.troca-value {
    font-size: 1.8em;
    font-weight: 700;
    color: #764ba2;
    margin-bottom: 5px;
}
.troca-name {
    font-size: 1em;
    color: #333;
}
.troca-button {
    background: #4caf50;
    color: #fff;
    border: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.2em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.troca-button:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
.troca-button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}
.apaga-button {
    background: #c05353;
    color: #fff;
    border: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.2em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.apaga-button:hover {
    background: #c05353;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
.apaga-button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}
.info-text {
    text-align: center;
    color: #666;
    margin: 10px 0;
    font-style: italic;
}
.selected-info {
    background: #e3f2fd;
    border-radius: 10px;
    padding: 15px;
    margin: 20px 0;
    text-align: center;
    color: #1976d2;
    font-weight: 500;
}