/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    background-color: #f5f7fa;
}

a {
    color: #0066cc;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #004499;
    text-decoration: underline;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 4px;
    border: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background-color: #0066cc;
    color: white;
}

.btn-primary:hover {
    background-color: #004499;
}

.btn-secondary {
    background-color: #f0f0f0;
    color: #333;
}

.btn-secondary:hover {
    background-color: #e0e0e0;
}

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

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #0066cc;
    outline: none;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 12px;
}

.form-actions {
    margin-top: 30px;
}

/* Alertas e mensagens */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.alert-success {
    background-color: #dff0d8;
    border: 1px solid #d0e9c6;
    color: #3c763d;
}

.alert-danger {
    background-color: #f2dede;
    border: 1px solid #ebccd1;
    color: #a94442;
}

/* Layout para login e registro */
.login-page,
.register-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    justify-content: center;
    align-items: center;
    background-color: #f5f7fa;
}

.login-container,
.register-container {
    width: 100%;
    max-width: 400px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-bottom: 20px;
}

.login-header,
.register-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1,
.register-header h1 {
    color: #333;
    font-size: 24px;
    margin-bottom: 10px;
}

.login-header p,
.register-header p {
    color: #666;
}

.login-form,
.register-form {
    margin-top: 20px;
}

.login-options,
.register-options {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
}

.login-options .separator {
    margin: 0 10px;
    color: #ccc;
}

.login-footer,
.register-footer {
    margin-top: 20px;
    color: #666;
    font-size: 14px;
}

/* Layout para dashboard */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: white;
    padding: 20px 0;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid #3c5060;
}

.sidebar-header h2 {
    font-size: 18px;
    margin-bottom: 5px;
}

.sidebar-header p {
    font-size: 14px;
    color: #b3c1cc;
}

.sidebar-menu {
    margin-top: 20px;
}

.sidebar-menu ul {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu a {
    display: block;
    padding: 10px 20px;
    color: #ecf0f1;
    transition: background-color 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: #3c5060;
    text-decoration: none;
}

.main-content {
    flex: 1;
    padding: 20px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.header h1 {
    font-size: 24px;
}

.user-dropdown {
    position: relative;
}

.user-dropdown .dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
}

.user-dropdown .dropdown-menu {
    position: absolute;
    right: 0;
    top: 100%;
    background-color: white;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    min-width: 150px;
    z-index: 1000;
    display: none;
}

.user-dropdown.show .dropdown-menu {
    display: block;
}

.user-dropdown .dropdown-menu a {
    display: block;
    padding: 10px;
    color: #333;
}

.user-dropdown .dropdown-menu a:hover {
    background-color: #f5f5f5;
    text-decoration: none;
}

/* Cartões para módulos */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card-image {
    height: 180px;
    background-color: #eee;
    background-size: cover;
    background-position: center;
}

.card-content {
    padding: 20px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.card-description {
    color: #666;
    margin-bottom: 15px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px 20px;
}

.card-status {
    font-size: 14px;
}

.card-status.available {
    color: #27ae60;
}

.card-status.locked {
    color: #e74c3c;
}

.card-progress {
    height: 5px;
    background-color: #f0f0f0;
    border-radius: 3px;
    margin: 10px 0 15px;
}

.card-progress-bar {
    height: 100%;
    background-color: #0066cc;
    border-radius: 3px;
}

/* Responsividade */
@media (max-width: 768px) {
    .dashboard-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        padding: 10px;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
}