/* Estilos Gerais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Header */
.main-header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #1e3c72;
    font-weight: bold;
    font-size: 1.5em;
}

.app-logo {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.main-nav ul {
    display: flex;
    list-style: none;
}

.main-nav li {
    margin-left: 20px;
}

.main-nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: #1e3c72;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 40px 0;
}

/* Home Page */
.hero {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.hero-logo {
    width: 120px;
    height: 120px;
    margin-bottom: 20px;
}

.hero h1 {
    color: #1e3c72;
    font-size: 2.5em;
    margin-bottom: 10px;
}

.hero-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 30px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.feature {
    text-align: center;
    padding: 20px;
}

.feature i {
    font-size: 2.5em;
    color: #2a5298;
    margin-bottom: 15px;
}

.download-btn {
    display: inline-block;
    background: #2a5298;
    color: white;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s, background 0.3s;
    text-align: center;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    display: block;
}

.download-btn:hover {
    background: #1e3c72;
    transform: translateY(-2px);
}

.download-count {
    margin-top: 20px;
    font-size: 0.9em;
    color: #666;
}

/* Footer */
.main-footer {
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 20px 0;
    text-align: center;
}

/* Alert Messages */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    text-align: center;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Forms */
.form-container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    margin: 0 auto;
}

.form-title {
    margin-bottom: 20px;
    color: #1e3c72;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1em;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #2a5298;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #1e3c72;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Admin Dashboard */
.admin-container {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.admin-title {
    color: #1e3c72;
    margin: 0;
}

.admin-card {
    background: #f9f9f9;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.admin-card-title {
    color: #1e3c72;
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
    }
    
    .main-nav {
        margin-top: 15px;
    }
    
    .main-nav ul {
        justify-content: center;
    }
    
    .main-nav li {
        margin: 0 10px;
    }
    
    .hero {
        padding: 20px;
    }
    
    .hero h1 {
        font-size: 2em;
    }
}