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

body {
    /*background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);*/
    min-height: 100vh;
}

h2 {
    color: silver;    
}

h2 span {
    color: blue;
    text-decoration: underline;
}

/* Навигационная панель */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.nav-logo i {
    margin-right: 10px;
    color: #6a11cb;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    text-decoration: none;
    color: #555;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
    text-align: center;
}

.nav-link:hover, .nav-link.active {
    background: #6a11cb;
    color: white;
}

.nav-logout {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
    text-align: center;
}

.nav-logout:hover {
    background: #c0392b;
}

/* Основные стили */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 450px;
    padding: 40px;
    text-align: center;
}

.content-container {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0px -3px 6px 1px rgb(0 0 0 / 56%);
    width: 100%;
    padding: 30px;
    margin-top: 5px;
}

.logo {
    margin-bottom: 30px;
}

.logo i {
    font-size: 70px;
    color: #6a11cb;
    margin-bottom: 10px;
}

h1 {
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.subtitle {
    color: #666;
    margin-bottom: 30px;
    font-size: 16px;
}

.input-group {
    position: relative;
    margin-bottom: 25px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e1e1e1;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    outline: none;
}

.input-group input:focus {
    border-color: #6a11cb;
    box-shadow: 0 0 0 3px rgba(106, 17, 203, 0.1);
}

.options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.remember {
    display: flex;
    align-items: center;
}

.remember input {
    margin-right: 8px;
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 20px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 15px rgba(0, 0, 0, 0.2);
}

.error-message {
    color: #e74c3c;
    background-color: #fadbd8;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
}

.user-info {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}

.avatar i {
    font-size: 40px;
    color: white;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 2px 3px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid silver;
}

.card:hover {
    transform: translateY(-5px);
}

.card i {
    font-size: 40px;
    color: #6a11cb;
    margin-bottom: 15px;
}

.card h3 {
    color: #333;
    margin-bottom: 10px;
}

.card p {
    color: #666;
    margin-bottom: 20px;
}

.card-btn {
    background: #6a11cb;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.card-btn  a {
    background-color: #f0f8ff00;
    font-size: 2vh;
}
.card-btn:hover {
    background: #2575fc;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .dashboard-cards {
        grid-template-columns: 1fr;
    }
}

.is-hidden {
    display: none;
}

select:hover {
    background-color: #2575fc;
    cursor: pointer;
}