body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-box {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    width: 100%;
    max-width: 400px;
}

.login-box h2 {
    margin-top: 0;
    color: #1c1e21;
    margin-bottom: 8px;
    font-size: 24px;
    text-align: center;
}

.login-subtitle {
    color: #65676b;
    text-align: center;
    margin-bottom: 24px;
    font-size: 14px;
}

.input-group {
    margin-bottom: 16px;
}

.input-group label {
    display: block;
    margin-bottom: 6px;
    color: #4b4b4b;
    font-size: 13px;
    font-weight: 600;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #dddfe2;
    border-radius: 8px;
    font-size: 16px;
    box-sizing: border-box;
    transition: all 0.2s;
}

.input-group input:focus {
    outline: none;
    border-color: #1877f2;
    box-shadow: 0 0 0 2px rgba(24, 119, 242, 0.2);
}

.btn-submit {
    width: 100%;
    background: #0056b3; /* Тот самый синий цвет вместо зеленого */
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 17px;
    cursor: pointer;
    transition: background 0.2s;
    font-weight: 600;
    margin-top: 8px;
}

.btn-submit:hover {
    background: #004494;
}

.error-msg {
    color: #d32f2f;
    background: #ffebe9;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    border: 1px solid rgba(211, 47, 47, 0.2);
    text-align: center;
}