* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('background.png') no-repeat center center fixed;
    background-size: cover;
    position: relative;
}

/* Затемнение фона (без размытия) */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px 35px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 35px;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.login-header p {
    color: #6b6b83;
    font-size: 14px;
}

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

.input-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 6px;
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.input-group input:focus {
    outline: none;
    border-color: #4a6cf7;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(74, 108, 247, 0.1);
}

.input-group input::placeholder {
    color: #a0a0b8;
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #4a6cf7, #6366f1);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(74, 108, 247, 0.3);
}

.login-btn:active {
    transform: translateY(0);
}

.login-footer {
    text-align: center;
    margin-top: 25px;
    font-size: 12px;
    color: #8a8aa3;
}

.login-footer span {
    display: block;
}

/* Адаптивность */
@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .login-header h1 {
        font-size: 24px;
    }
}